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Active Precertified Firms - Sorted by Firm Name

Active Precertified Firm Page Links ( Updated December 04, 2022 at 9:00:07 P.M. )
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Renewal Status APRIL 11, 2022 ( ACTIVE )
Firm Name RILEY MOUNTAIN ENGINEERING, LLC
Mailing Address PO BOX 610
LLANO, TX 78643
Firm Phone (325)248-4876

Areas of Certification
1.5.1 Feasibility Studies
3.2.1 Route Studies & Schematic Design
4.2.1 Roadway Design
4.4.1 Freeway Interchanges
5.2.1 Bridge Design
6.1.1 Routine Bridge Inspection Team Leader
7.1.1 Traffic Engineering Studies
8.1.1 Signing, Pavement Marking, And Channelization
8.3.1 Signalization
8.6.1 Rail-Highway Design
9.1.1 Bicycle and Pedestrian Facility Devel. (Retired Category)
10.1.1 Hydrologic Studies
10.2.1 Roadway Hydraulic Design
10.3.1 Bridge Hydraulic Design
10.5.1 Bridge Scour Evaluations And Analysis
15.2.1 Design Survey
15.2.2 Construction Survey



Renewal Status MARCH 23, 2022 ( ACTIVE )
Firm Name RINER ENGINEERING, INC.
Mailing Address 4641 KENNEDY COMMERCE DRIVE
HOUSTON, TX 77032
Firm Phone (281)469-3347

Areas of Certification
2.13.1 Hazardous Materials Initial Site Assessment
11.1.1 Roadway Construction Management And Inspection
12.1.2 Portland Cement Concrete
12.1.3 Materials Engineering
12.1.4 Asphaltic Concrete Placement
12.1.5 Portland Cement Concrete Placement
12.1.6 Embankment/Subgrade/Backfill/Base Production
12.1.7 Embankment/Subgrade/Backfill/Base Placement
14.1.1 Soil Exploration
14.2.1 Geotechnical Testing
14.3.1 Transportation Foundation Studies
14.4.1 Building Foundation Studies
14.5.1 Evaluation & Design of Geotechnical Related Structures



Renewal Status JANUARY 14, 2022 ( ACTIVE )
Firm Name RIOS ENGINEERING, LLC
Mailing Address 609 IRMA DR
AUSTIN, TX 78752
Firm Phone (512)944-3023

Areas of Certification
3.2.1 Route Studies & Schematic Design
4.2.1 Roadway Design
4.4.1 Freeway Interchanges



Renewal Status MARCH 21, 2022 ( ACTIVE )
Firm Name RJ HUNDLEY CONSULTING, LLC
Mailing Address 13005 GATEWOOD TRAIL
AUSTIN, TX 78729
Firm Phone (512)431-0959

Areas of Certification
11.5.1 Construction Scheduling Project Manager
11.6.1 Construction Schedule Support-General
11.8.1 Construct Schedule Support-Sched Bridge & Interchange Proj



Renewal Status FEBRUARY 4, 2022 ( ACTIVE )
Firm Name RJ RIVERA ASSOCIATES, INC.
Mailing Address PO BOX 460151
SAN ANTONIO, TX 78246
Firm Phone (512)422-1136

Areas of Certification
1.1.1 Policy Planning
1.2.1 Systems Planning
1.3.1 Subarea/Corridor Planning
1.4.1 Land Planning/Engineering
1.5.1 Feasibility Studies
1.6.1 Major Investment Studies
1.8.1 Public Involvement
2.2.1 Air Quality Analysis
2.3.1 Wetland Delineation
2.4.1 Nationwide Permit
2.4.2 Clean Water Act Sec. 404 Permits
2.6.2 Impact Evaluation Assessments (Retired Category)
2.7.1 Sec. 4(F)/6(F) Evaluations
2.12.1 Socio-Economic And Environmental Justice Analyses
2.13.1 Hazardous Materials Initial Site Assessment
2.14.1 Environmental Document Preparation
3.2.1 Route Studies & Schematic Design
4.2.1 Roadway Design
4.4.1 Freeway Interchanges
7.1.1 Traffic Engineering Studies
7.3.1 Traffic Signal Timing
8.1.1 Signing, Pavement Marking, And Channelization
8.2.1 Illumination
8.3.1 Signalization
8.6.1 Rail-Highway Design
9.1.1 Bicycle and Pedestrian Facility Devel. (Retired Category)
10.1.1 Hydrologic Studies
10.2.1 Roadway Hydraulic Design



Renewal Status SEPTEMBER 7, 2022 ( ACTIVE )
Firm Name RJN GROUP, INC.
Mailing Address 2655 WARRENVILLE ROAD
DOWNERS GROVE, IL 60515
Firm Phone (630)682-4700

Areas of Certification
1.4.1 Land Planning/Engineering
1.5.1 Feasibility Studies
2.5.1 Geological Assessment for Edwards Aquifer Recharge Zone
3.2.1 Route Studies & Schematic Design
4.2.1 Roadway Design
8.1.1 Signing, Pavement Marking, And Channelization
10.1.1 Hydrologic Studies
10.2.1 Roadway Hydraulic Design
18.3.1 Utility Adjustment Coordination
18.4.1 Utility Engineering
18.5.1 Utility Construction Management and Verification



Renewal Status FEBRUARY 8, 2022 ( ACTIVE )
Firm Name ROBERT F GROLEAU, P.E.
Mailing Address 2918 RANCH RD 620 N, #240
AUSTIN, TX 78734
Firm Phone (512)266-8736

Areas of Certification
5.2.1 Bridge Design
6.1.1 Routine Bridge Inspection Team Leader
6.1.2 Routine Bridge Inspection Project Manager
6.2.1 Complex Bridge Inspection Team Leader



Renewal Status APRIL 7, 2022 ( ACTIVE )
Firm Name ROCK ENGINEERING AND TESTING LABORATORY, INC.
Mailing Address 6817 LEOPARD ST.
CORPUS CHRISTI, TX 78409
Firm Phone (361)883-4555

Areas of Certification
12.1.1 Asphaltic Concrete Production
12.1.2 Portland Cement Concrete
12.1.3 Materials Engineering
12.1.4 Asphaltic Concrete Placement
12.1.5 Portland Cement Concrete Placement
12.1.6 Embankment/Subgrade/Backfill/Base Production
12.1.7 Embankment/Subgrade/Backfill/Base Placement
12.2.1 Concrete Plant Inspection and Testing
14.1.1 Soil Exploration
14.2.1 Geotechnical Testing
14.3.1 Transportation Foundation Studies
14.4.1 Building Foundation Studies



Renewal Status FEBRUARY 14, 2022 ( ACTIVE )
Firm Name RODRIGUEZ ENGINEERING LABORATORIES LLC
Mailing Address 13809 TURBINE DRIVE
AUSTIN, TX 78728
Firm Phone (512)251-4454

Areas of Certification
11.1.1 Roadway Construction Management And Inspection
11.2.1 Bridge Construction Management And Inspection
12.1.1 Asphaltic Concrete Production
12.1.2 Portland Cement Concrete
12.1.3 Materials Engineering
12.1.4 Asphaltic Concrete Placement
12.1.5 Portland Cement Concrete Placement
12.1.6 Embankment/Subgrade/Backfill/Base Production
12.1.7 Embankment/Subgrade/Backfill/Base Placement
12.2.1 Concrete Plant Inspection and Testing
14.1.1 Soil Exploration
14.2.1 Geotechnical Testing
14.3.1 Transportation Foundation Studies



Renewal Status JANUARY 10, 2022 ( ACTIVE )
Firm Name RODRIGUEZ TRANSPORTATION GROUP, INC.
Mailing Address 11211 TAYLOR DRAPER LN STE 100
AUSTIN, TX 78759
Firm Phone (512)231-9544

Areas of Certification
1.1.1 Policy Planning
1.2.1 Systems Planning
1.3.1 Subarea/Corridor Planning
1.4.1 Land Planning/Engineering
1.5.1 Feasibility Studies
1.6.1 Major Investment Studies
1.8.1 Public Involvement
2.2.1 Air Quality Analysis
2.3.1 Wetland Delineation
2.3.2 Conditional/Functional Assessment
2.4.1 Nationwide Permit
2.4.2 Clean Water Act Sec. 404 Permits
2.5.1 Geological Assessment for Edwards Aquifer Recharge Zone
2.6.2 Impact Evaluation Assessments (Retired Category)
2.13.1 Hazardous Materials Initial Site Assessment
3.2.1 Route Studies & Schematic Design
4.2.1 Roadway Design
4.4.1 Freeway Interchanges
4.5.1 Constructability Review
4.6.1 3-D Visualization and Animation Services
5.2.1 Bridge Design
7.1.1 Traffic Engineering Studies
7.3.1 Traffic Signal Timing
7.4.1 Traffic Control Systems Analysis, Design And Implementation
8.1.1 Signing, Pavement Marking, And Channelization
8.2.1 Illumination
8.3.1 Signalization
8.4.1 ITS Control Systems Analysis, Design & Implementation
8.6.1 Rail-Highway Design
9.1.1 Bicycle and Pedestrian Facility Devel. (Retired Category)
9.3.1 Pedestrian Facility Design
10.1.1 Hydrologic Studies
10.2.1 Roadway Hydraulic Design
10.3.1 Bridge Hydraulic Design
10.4.1 Storm Water Pump Station-Hydraulic Design
10.5.1 Bridge Scour Evaluations And Analysis
11.1.1 Roadway Construction Management And Inspection
11.3.1 Construction Superintendent
11.4.1 Environmental Inspections
11.6.1 Construction Schedule Support-General
11.7.1 Construct. Schedule Support-Sched of Roadway Design
11.8.1 Construct Schedule Support-Sched Bridge & Interchange Proj
17.5.1 Civil Engineering
18.2.1 Subsurface Utility Engineering (Utility Eng. Investigation)
18.3.1 Utility Adjustment Coordination
18.4.1 Utility Engineering
18.6.1 Utility Management & Coordination Oversight



Renewal Status JANUARY 7, 2022 ( ACTIVE )
Firm Name RODS SUBSURFACE UTILITY ENGINEERING INC.
Mailing Address 6810 LEE ROAD, SUITE 300
SPRING, TX 77379
Firm Phone (713)560-6933

Areas of Certification
2.5.1 Geological Assessment for Edwards Aquifer Recharge Zone
3.2.1 Route Studies & Schematic Design
4.2.1 Roadway Design
8.1.1 Signing, Pavement Marking, And Channelization
9.1.1 Bicycle and Pedestrian Facility Devel. (Retired Category)
10.1.1 Hydrologic Studies
10.2.1 Roadway Hydraulic Design
10.3.1 Bridge Hydraulic Design
10.5.1 Bridge Scour Evaluations And Analysis
18.2.1 Subsurface Utility Engineering (Utility Eng. Investigation)
18.3.1 Utility Adjustment Coordination
18.5.1 Utility Construction Management and Verification
18.6.1 Utility Management & Coordination Oversight



Renewal Status JANUARY 7, 2022 ( ACTIVE )
Firm Name RODS SURVEYING, INC.
Mailing Address 6810 LEE ROAD, SUITE 100
SPRING, TX 77379
Firm Phone (281)257-4020

Areas of Certification
15.1.1 Right of Way Surveys
15.2.1 Design Survey
15.2.2 Construction Survey
15.3.2 Terrestrial Photogrammetry
15.3.3 Terrestrial LIDAR
15.3.4 Mobile LiDAR
15.3.5 Horizontal and Vertical Control



Renewal Status JUNE 7, 2022 ( ACTIVE )
Firm Name RONALD CARROLL SURVEYORS
Mailing Address 5302 S 31ST STREET
TEMPLE, TX 76502
Firm Phone (254)773-1447

Areas of Certification
15.1.1 Right of Way Surveys
15.2.1 Design Survey
15.2.2 Construction Survey
15.3.5 Horizontal and Vertical Control



Renewal Status JANUARY 11, 2022 ( ACTIVE )
Firm Name RONE ENGINEERING SERVICES, LTD
Mailing Address 8908 AMBASSADOR ROW
DALLAS, TX 75247
Firm Phone (214)630-9745

Areas of Certification
2.13.1 Hazardous Materials Initial Site Assessment
11.1.1 Roadway Construction Management And Inspection
12.1.1 Asphaltic Concrete Production
12.1.3 Materials Engineering
12.2.1 Concrete Plant Inspection and Testing
14.1.1 Soil Exploration
14.2.1 Geotechnical Testing
14.3.1 Transportation Foundation Studies
14.4.1 Building Foundation Studies
14.5.1 Evaluation & Design of Geotechnical Related Structures



Renewal Status JANUARY 6, 2022 ( ACTIVE )
Firm Name RPS INFRASTRUCTURE, INC.
Mailing Address 575 N DAIRY ASHFORD, SUITE, 700
HOUSTON, TX 77079
Firm Phone (281)589-7257

Areas of Certification
1.1.1 Policy Planning
1.2.1 Systems Planning
1.3.1 Subarea/Corridor Planning
1.4.1 Land Planning/Engineering
1.5.1 Feasibility Studies
1.6.1 Major Investment Studies
1.8.1 Public Involvement
2.5.1 Geological Assessment for Edwards Aquifer Recharge Zone
3.2.1 Route Studies & Schematic Design
4.2.1 Roadway Design
4.4.1 Freeway Interchanges
4.5.1 Constructability Review
4.6.1 3-D Visualization and Animation Services
5.2.1 Bridge Design
6.1.1 Routine Bridge Inspection Team Leader
6.1.2 Routine Bridge Inspection Project Manager
6.2.1 Complex Bridge Inspection Team Leader
7.1.1 Traffic Engineering Studies
7.3.1 Traffic Signal Timing
7.4.1 Traffic Control Systems Analysis, Design And Implementation
7.5.1 Intelligent Transportation Systems
8.1.1 Signing, Pavement Marking, And Channelization
8.2.1 Illumination
8.3.1 Signalization
8.4.1 ITS Control Systems Analysis, Design & Implementation
8.6.1 Rail-Highway Design
9.1.1 Bicycle and Pedestrian Facility Devel. (Retired Category)
10.1.1 Hydrologic Studies
10.2.1 Roadway Hydraulic Design
10.3.1 Bridge Hydraulic Design
11.1.1 Roadway Construction Management And Inspection
11.4.1 Environmental Inspections
14.1.1 Soil Exploration
14.2.1 Geotechnical Testing
15.1.1 Right of Way Surveys
15.2.1 Design Survey
15.2.2 Construction Survey
17.5.1 Civil Engineering
18.2.1 Subsurface Utility Engineering (Utility Eng. Investigation)
18.3.1 Utility Adjustment Coordination
18.4.1 Utility Engineering
18.5.1 Utility Construction Management and Verification
18.6.1 Utility Management & Coordination Oversight



Renewal Status SEPTEMBER 22, 2022 ( ACTIVE )
Firm Name RQAW CORPORATION
Mailing Address 8770 NORTH STREET
FISHERS, IN 46038
Firm Phone (317)588-1737

Areas of Certification
1.8.1 Public Involvement
2.3.1 Wetland Delineation
2.3.2 Conditional/Functional Assessment
2.4.1 Nationwide Permit
2.4.2 Clean Water Act Sec. 404 Permits
2.4.3 U.S. Coast G. & U.S. Army Corps of Engr. Permits
2.6.5 Protected Species Evaluations
2.12.1 Socio-Economic And Environmental Justice Analyses
2.13.1 Hazardous Materials Initial Site Assessment
2.14.1 Environmental Document Preparation
2.15.1 Historical Research Of Extant Bldgs, Struct, Landsc., & Obj.
2.15.2 Historical Surveys & Doc. of Bldgs, Struct, Landsc., & Obj.
3.2.1 Route Studies & Schematic Design
8.1.1 Signing, Pavement Marking, And Channelization
10.1.1 Hydrologic Studies
10.2.1 Roadway Hydraulic Design
10.3.1 Bridge Hydraulic Design
18.3.1 Utility Adjustment Coordination



Renewal Status JANUARY 26, 2022 ( ACTIVE )
Firm Name RS&H, INC.
Mailing Address 10748 DEERWOOD PARK BOULEVARD SOUTH
JACKSONVILLE, FL 32256
Firm Phone (904)256-2500

Areas of Certification
1.1.1 Policy Planning
1.2.1 Systems Planning
1.3.1 Subarea/Corridor Planning
1.4.1 Land Planning/Engineering
1.5.1 Feasibility Studies
1.6.1 Major Investment Studies
1.7.1 Traffic Demand Modeling
1.8.1 Public Involvement
1.9.1 Geographic Information System (GIS) and Data Analysis
2.1.1 Traffic Noise Analysis
2.2.1 Air Quality Analysis
2.3.1 Wetland Delineation
2.3.2 Conditional/Functional Assessment
2.4.1 Nationwide Permit
2.4.2 Clean Water Act Sec. 404 Permits
2.4.3 U.S. Coast G. & U.S. Army Corps of Engr. Permits
2.5.1 Geological Assessment for Edwards Aquifer Recharge Zone
2.6.2 Impact Evaluation Assessments (Retired Category)
2.6.4 Biological Evaluations/Assessments (Retired Category)
2.6.5 Protected Species Evaluations
2.6.6 U.S. Fish and Wildlife Service (USFWS)/National Marine Fish
2.7.1 Sec. 4(F)/6(F) Evaluations
2.12.1 Socio-Economic And Environmental Justice Analyses
2.13.1 Hazardous Materials Initial Site Assessment
2.14.1 Environmental Document Preparation
3.2.1 Route Studies & Schematic Design
3.7.1 Traffic Operational Analysis
4.2.1 Roadway Design
4.4.1 Freeway Interchanges
4.5.1 Constructability Review
4.6.1 3-D Visualization and Animation Services
4.7.1 Traffic Safety Analysis
5.2.1 Bridge Design
5.3.1 Multi-Level Interchange Design
5.5.1 Bridge & Non-Bridge Class Culvert and Inlet Design
5.6.1 Structural Engineering for Overhead Sign Supports
6.1.1 Routine Bridge Inspection Team Leader
6.1.2 Routine Bridge Inspection Project Manager
6.2.1 Complex Bridge Inspection Team Leader
6.2.2 Complex Bridge Inspection Project Manager
6.4.1 Underwater Bridge Inspection Team Leader
7.1.1 Traffic Engineering Studies
7.3.1 Traffic Signal Timing
7.4.1 Traffic Control Systems Analysis, Design And Implementation
7.5.1 Intelligent Transportation Systems
8.1.1 Signing, Pavement Marking, And Channelization
8.2.1 Illumination
8.3.1 Signalization
8.4.1 ITS Control Systems Analysis, Design & Implementation
8.6.1 Rail-Highway Design
9.1.1 Bicycle and Pedestrian Facility Devel. (Retired Category)
9.2.1 Active Transportation Planning
9.3.1 Pedestrian Facility Design
10.1.1 Hydrologic Studies
10.2.1 Roadway Hydraulic Design
10.3.1 Bridge Hydraulic Design
10.4.1 Storm Water Pump Station-Hydraulic Design
10.5.1 Bridge Scour Evaluations And Analysis
11.1.1 Roadway Construction Management And Inspection
11.2.1 Bridge Construction Management And Inspection
11.3.1 Construction Superintendent
11.4.1 Environmental Inspections
11.5.1 Construction Scheduling Project Manager
11.6.1 Construction Schedule Support-General
11.7.1 Construct. Schedule Support-Sched of Roadway Design
11.8.1 Construct Schedule Support-Sched Bridge & Interchange Proj
11.10.1 Construction Record Keeper
12.1.1 Asphaltic Concrete Production
12.1.2 Portland Cement Concrete
12.1.3 Materials Engineering
12.1.4 Asphaltic Concrete Placement
12.1.5 Portland Cement Concrete Placement
12.1.7 Embankment/Subgrade/Backfill/Base Placement
12.2.1 Concrete Plant Inspection and Testing
13.5.1 Rail Construction Management
16.1.1 Architecture
16.2.1 Building and Facilities Architecture
16.3.1 Landscape Architecture
17.1.1 Structural Engineering
17.4.1 Electrical Engineering
17.5.1 Civil Engineering
18.3.1 Utility Adjustment Coordination
18.4.1 Utility Engineering
18.5.1 Utility Construction Management and Verification
18.6.1 Utility Management & Coordination Oversight
22.4.1 QA/QC Process Verification for OVTI
23.1.1 Alternative Delivery Procurement Manager
23.11.1 Plan Review
23.12.1 QA/QC Process Verification
24.1.1 Operations and Maintenance (O&M) Project Manager (PM)



Renewal Status MARCH 3, 2022 ( ACTIVE )
Firm Name RUMMEL, KLEPPER & KAHL, LLP DBA RK&K
Mailing Address 700 EAST PRATT STREET, SUITE 500
BALTIMORE, MD 21202
Firm Phone (410)728-2900

Areas of Certification
1.1.1 Policy Planning
1.2.1 Systems Planning
1.3.1 Subarea/Corridor Planning
1.4.1 Land Planning/Engineering
1.5.1 Feasibility Studies
1.6.1 Major Investment Studies
1.7.1 Traffic Demand Modeling
1.8.1 Public Involvement
2.1.1 Traffic Noise Analysis
2.2.1 Air Quality Analysis
2.3.1 Wetland Delineation
2.4.1 Nationwide Permit
2.4.2 Clean Water Act Sec. 404 Permits
2.4.3 U.S. Coast G. & U.S. Army Corps of Engr. Permits
2.6.4 Biological Evaluations/Assessments (Retired Category)
2.7.1 Sec. 4(F)/6(F) Evaluations
2.7.2 Historic Sites Sec. 4(f) Evaluations
2.10.1 Archaeological Surveys, Doc., Excavation, Testing Rpts
2.12.1 Socio-Economic And Environmental Justice Analyses
2.13.1 Hazardous Materials Initial Site Assessment
2.14.1 Environmental Document Preparation
2.15.1 Historical Research Of Extant Bldgs, Struct, Landsc., & Obj.
2.15.2 Historical Surveys & Doc. of Bldgs, Struct, Landsc., & Obj.
3.2.1 Route Studies & Schematic Design
3.7.1 Traffic Operational Analysis
4.2.1 Roadway Design
4.4.1 Freeway Interchanges
4.5.1 Constructability Review
4.6.1 3-D Visualization and Animation Services
5.2.1 Bridge Design
5.5.1 Bridge & Non-Bridge Class Culvert and Inlet Design
5.6.1 Structural Engineering for Overhead Sign Supports
6.1.1 Routine Bridge Inspection Team Leader
6.1.2 Routine Bridge Inspection Project Manager
6.2.1 Complex Bridge Inspection Team Leader
6.2.2 Complex Bridge Inspection Project Manager
7.1.1 Traffic Engineering Studies
7.3.1 Traffic Signal Timing
7.4.1 Traffic Control Systems Analysis, Design And Implementation
7.5.1 Intelligent Transportation Systems
8.1.1 Signing, Pavement Marking, And Channelization
8.2.1 Illumination
8.3.1 Signalization
8.4.1 ITS Control Systems Analysis, Design & Implementation
8.6.1 Rail-Highway Design
9.1.1 Bicycle and Pedestrian Facility Devel. (Retired Category)
10.1.1 Hydrologic Studies
10.2.1 Roadway Hydraulic Design
10.3.1 Bridge Hydraulic Design
10.4.3 Pump Stations-Structures
10.5.1 Bridge Scour Evaluations And Analysis
10.7.1 Riverine Hydraulic Design
10.8.1 FEMA Regulations and Permits
11.1.1 Roadway Construction Management And Inspection
11.3.1 Construction Superintendent
11.5.1 Construction Scheduling Project Manager
11.7.1 Construct. Schedule Support-Sched of Roadway Design
11.8.1 Construct Schedule Support-Sched Bridge & Interchange Proj
11.10.1 Construction Record Keeper
12.1.2 Portland Cement Concrete
14.3.1 Transportation Foundation Studies
14.5.1 Evaluation & Design of Geotechnical Related Structures
15.1.1 Right of Way Surveys
15.2.1 Design Survey
15.2.2 Construction Survey
15.3.5 Horizontal and Vertical Control
18.2.1 Subsurface Utility Engineering (Utility Eng. Investigation)
18.3.1 Utility Adjustment Coordination
18.4.1 Utility Engineering
18.5.1 Utility Construction Management and Verification
18.6.1 Utility Management & Coordination Oversight
23.1.1 Alternative Delivery Procurement Manager
23.4.4 Traffic Projections
23.9.1 General Engr. Consultant (GEC) Project Svcs. (Contract PM)
23.10.1 Public Involvement for Alternative Delivery Projects
23.12.1 QA/QC Process Verification
23.13.1 Project Office Operations
24.4.1 Operations and Maintenance (O&M) Assessment
24.4.2 Operations and Maintenance (O&M) Inspection
24.5.1 Operations and Maintenance Program Support
24.9.1 Toll Traffic Impacts - Engineering Analysis
24.9.2 Toll Traffic Impacts - Planning Analysis
24.10.1 Toll Operations Planning Analysis
24.10.2 Toll Operations Data Analysis



Renewal Status FEBRUARY 7, 2022 ( ACTIVE )
Firm Name R2M ENGINEERING, LLC
Mailing Address 5012 50TH STREET, SUITE 204
LUBBOCK, TX 79414
Firm Phone (806)783-9944

Areas of Certification
1.2.1 Systems Planning
3.2.1 Route Studies & Schematic Design
4.2.1 Roadway Design
4.5.1 Constructability Review
7.1.1 Traffic Engineering Studies
7.3.1 Traffic Signal Timing
7.4.1 Traffic Control Systems Analysis, Design And Implementation
7.5.1 Intelligent Transportation Systems
8.1.1 Signing, Pavement Marking, And Channelization
8.3.1 Signalization
8.4.1 ITS Control Systems Analysis, Design & Implementation
9.1.1 Bicycle and Pedestrian Facility Devel. (Retired Category)
10.1.1 Hydrologic Studies
10.2.1 Roadway Hydraulic Design
11.1.1 Roadway Construction Management And Inspection
11.2.1 Bridge Construction Management And Inspection
15.1.1 Right of Way Surveys
15.2.1 Design Survey
15.2.2 Construction Survey
18.3.1 Utility Adjustment Coordination
18.5.1 Utility Construction Management and Verification
18.6.1 Utility Management & Coordination Oversight



Renewal Status JANUARY 26, 2022 ( ACTIVE )
Firm Name S & B INFRASTRUCTURE, LTD.
Mailing Address 15150 MEMORIAL DRIVE
HOUSTON, TX 77078
Firm Phone (713)845-7913

Areas of Certification
1.1.1 Policy Planning
1.2.1 Systems Planning
1.3.1 Subarea/Corridor Planning
1.4.1 Land Planning/Engineering
1.5.1 Feasibility Studies
1.6.1 Major Investment Studies
1.7.1 Traffic Demand Modeling
1.8.1 Public Involvement
1.9.1 Geographic Information System (GIS) and Data Analysis
2.1.1 Traffic Noise Analysis
2.2.1 Air Quality Analysis
2.3.1 Wetland Delineation
2.3.2 Conditional/Functional Assessment
2.4.1 Nationwide Permit
2.4.2 Clean Water Act Sec. 404 Permits
2.4.3 U.S. Coast G. & U.S. Army Corps of Engr. Permits
2.6.2 Impact Evaluation Assessments (Retired Category)
2.6.4 Biological Evaluations/Assessments (Retired Category)
2.6.5 Protected Species Evaluations
2.7.1 Sec. 4(F)/6(F) Evaluations
2.12.1 Socio-Economic And Environmental Justice Analyses
2.13.1 Hazardous Materials Initial Site Assessment
2.14.1 Environmental Document Preparation
3.2.1 Route Studies & Schematic Design
4.2.1 Roadway Design
4.4.1 Freeway Interchanges
4.5.1 Constructability Review
4.6.1 3-D Visualization and Animation Services
5.2.1 Bridge Design
5.3.1 Multi-Level Interchange Design
5.5.1 Bridge & Non-Bridge Class Culvert and Inlet Design
5.6.1 Structural Engineering for Overhead Sign Supports
6.1.1 Routine Bridge Inspection Team Leader
6.1.2 Routine Bridge Inspection Project Manager
6.2.1 Complex Bridge Inspection Team Leader
6.2.2 Complex Bridge Inspection Project Manager
7.1.1 Traffic Engineering Studies
7.4.1 Traffic Control Systems Analysis, Design And Implementation
7.5.1 Intelligent Transportation Systems
8.1.1 Signing, Pavement Marking, And Channelization
8.2.1 Illumination
8.3.1 Signalization
8.4.1 ITS Control Systems Analysis, Design & Implementation
8.6.1 Rail-Highway Design
9.1.1 Bicycle and Pedestrian Facility Devel. (Retired Category)
10.1.1 Hydrologic Studies
10.2.1 Roadway Hydraulic Design
10.3.1 Bridge Hydraulic Design
10.4.1 Storm Water Pump Station-Hydraulic Design
10.4.3 Pump Stations-Structures
10.5.1 Bridge Scour Evaluations And Analysis
10.7.1 Riverine Hydraulic Design
10.8.1 FEMA Regulations and Permits
11.1.1 Roadway Construction Management And Inspection
11.2.1 Bridge Construction Management And Inspection
11.3.1 Construction Superintendent
11.4.1 Environmental Inspections
11.5.1 Construction Scheduling Project Manager
11.6.1 Construction Schedule Support-General
11.7.1 Construct. Schedule Support-Sched of Roadway Design
11.8.1 Construct Schedule Support-Sched Bridge & Interchange Proj
11.10.1 Construction Record Keeper
12.1.3 Materials Engineering
12.1.4 Asphaltic Concrete Placement
12.1.5 Portland Cement Concrete Placement
12.2.1 Concrete Plant Inspection and Testing
14.1.1 Soil Exploration
14.2.1 Geotechnical Testing
14.3.1 Transportation Foundation Studies
14.4.1 Building Foundation Studies
15.1.1 Right of Way Surveys
15.2.1 Design Survey
15.2.2 Construction Survey
15.3.5 Horizontal and Vertical Control
17.1.1 Structural Engineering
17.5.1 Civil Engineering
18.2.1 Subsurface Utility Engineering (Utility Eng. Investigation)
18.3.1 Utility Adjustment Coordination
18.4.1 Utility Engineering
18.5.1 Utility Construction Management and Verification
18.6.1 Utility Management & Coordination Oversight
22.4.1 QA/QC Process Verification for OVTI
23.3.1 Operations and Maintenance Support
23.11.1 Plan Review
23.12.1 QA/QC Process Verification



Renewal Status JULY 26, 2022 ( ACTIVE )
Firm Name S JACKSON CCM GROUP, LLC DBA ICMS
Mailing Address 45 NE LOOP 410 STE. 125
SAN ANTONIO, TX 78216
Firm Phone (210)846-6969

Areas of Certification
11.3.1 Construction Superintendent
11.4.1 Environmental Inspections
12.1.2 Portland Cement Concrete



Renewal Status APRIL 18, 2022 ( ACTIVE )
Firm Name SAEED & ASSOCIATES CONSULTANTS INC DBA SAEED CONSULTANTS
Mailing Address 12450 PRINCESS DR
FRISCO, TX 75035
Firm Phone (972)469-4746

Areas of Certification
11.1.1 Roadway Construction Management And Inspection
12.2.1 Concrete Plant Inspection and Testing



Renewal Status JANUARY 27, 2022 ( ACTIVE )
Firm Name SAM-CONSTRUCTION SERVICES, LLC
Mailing Address 4801 SOUTHWEST PARKWAY, BLDG TWO, SUITE 100
AUSTIN, TX 78735
Firm Phone (512)578-8449

Areas of Certification
2.1.1 Traffic Noise Analysis
2.2.1 Air Quality Analysis
2.3.1 Wetland Delineation
3.2.1 Route Studies & Schematic Design
4.2.1 Roadway Design
4.4.1 Freeway Interchanges
4.5.1 Constructability Review
5.2.1 Bridge Design
5.3.1 Multi-Level Interchange Design
6.1.1 Routine Bridge Inspection Team Leader
7.1.1 Traffic Engineering Studies
7.4.1 Traffic Control Systems Analysis, Design And Implementation
7.5.1 Intelligent Transportation Systems
8.1.1 Signing, Pavement Marking, And Channelization
10.1.1 Hydrologic Studies
10.2.1 Roadway Hydraulic Design
10.3.1 Bridge Hydraulic Design
10.4.1 Storm Water Pump Station-Hydraulic Design
11.1.1 Roadway Construction Management And Inspection
11.2.1 Bridge Construction Management And Inspection
11.3.1 Construction Superintendent
11.4.1 Environmental Inspections
11.5.1 Construction Scheduling Project Manager
11.6.1 Construction Schedule Support-General
11.7.1 Construct. Schedule Support-Sched of Roadway Design
11.8.1 Construct Schedule Support-Sched Bridge & Interchange Proj
11.9.1 Railroad Coordination Management During Construction
11.10.1 Construction Record Keeper
12.1.1 Asphaltic Concrete Production
12.1.2 Portland Cement Concrete
12.1.3 Materials Engineering
12.1.4 Asphaltic Concrete Placement
12.1.5 Portland Cement Concrete Placement
12.1.7 Embankment/Subgrade/Backfill/Base Placement
12.2.1 Concrete Plant Inspection and Testing
14.1.1 Soil Exploration
14.2.1 Geotechnical Testing
14.3.1 Transportation Foundation Studies
14.4.1 Building Foundation Studies
14.5.1 Evaluation & Design of Geotechnical Related Structures
17.5.1 Civil Engineering
18.3.1 Utility Adjustment Coordination
18.4.1 Utility Engineering
18.5.1 Utility Construction Management and Verification
18.6.1 Utility Management & Coordination Oversight
22.1.1 Owner Verification Testing and Inspection-Project Manager
22.2.1 Chief Inspector
22.3.1 Owner Verification - Laboratory Manager
22.4.1 QA/QC Process Verification for OVTI
23.6.1 Document Control Using Electronic Content Mgmt Syst (ECMS)
23.8.1 Claims Analysis and Management
23.11.1 Plan Review
23.12.1 QA/QC Process Verification
23.13.1 Project Office Operations
24.4.1 Operations and Maintenance (O&M) Assessment



Renewal Status APRIL 14, 2022 ( ACTIVE )
Firm Name SAMBATEK, INC.
Mailing Address 12800 WHITEWATER DRIVE, SUITE 300
MINNETONKA, MN 55343
Firm Phone (763)259-6002

Areas of Certification
1.1.1 Policy Planning
1.3.1 Subarea/Corridor Planning
1.4.1 Land Planning/Engineering
2.3.1 Wetland Delineation
2.4.1 Nationwide Permit
2.4.2 Clean Water Act Sec. 404 Permits
3.2.1 Route Studies & Schematic Design
4.2.1 Roadway Design
9.1.1 Bicycle and Pedestrian Facility Devel. (Retired Category)
10.4.1 Storm Water Pump Station-Hydraulic Design



Renewal Status MARCH 15, 2022 ( ACTIVE )
Firm Name SAMES, INC. (SAM ENGINEERING & SURVEYING, INC.)
Mailing Address 200 S. 10TH STREET STE 1500
MCALLEN, TX 78501
Firm Phone (956)702-8880

Areas of Certification
3.2.1 Route Studies & Schematic Design
4.2.1 Roadway Design
5.2.1 Bridge Design
5.5.1 Bridge & Non-Bridge Class Culvert and Inlet Design
8.1.1 Signing, Pavement Marking, And Channelization
10.1.1 Hydrologic Studies
10.2.1 Roadway Hydraulic Design
11.1.1 Roadway Construction Management And Inspection
11.2.1 Bridge Construction Management And Inspection
11.4.1 Environmental Inspections
11.6.1 Construction Schedule Support-General
15.1.1 Right of Way Surveys
15.2.1 Design Survey
15.2.2 Construction Survey
15.3.5 Horizontal and Vertical Control
17.5.1 Civil Engineering
18.2.1 Subsurface Utility Engineering (Utility Eng. Investigation)
18.3.1 Utility Adjustment Coordination



Renewal Status SEPTEMBER 8, 2022 ( ACTIVE )
Firm Name SAMOO ENGINEERING, LLC
Mailing Address 4641 KENNEDY COMMERCE DRIVE
HOUSTON, TX 77032
Firm Phone (832)859-5081

Areas of Certification
14.1.1 Soil Exploration
14.2.1 Geotechnical Testing
14.3.1 Transportation Foundation Studies
14.4.1 Building Foundation Studies



Renewal Status JANUARY 7, 2022 ( ACTIVE )
Firm Name SANCHEZ - SALAZAR & ASSOCIATES, LLC
Mailing Address 12770 CIMARRON PATH, SUITE 118
SAN ANTONIO, TX 78249
Firm Phone (210)314-5458

Areas of Certification
1.4.1 Land Planning/Engineering
1.5.1 Feasibility Studies
1.6.1 Major Investment Studies
3.2.1 Route Studies & Schematic Design
4.2.1 Roadway Design
4.4.1 Freeway Interchanges
4.6.1 3-D Visualization and Animation Services
8.1.1 Signing, Pavement Marking, And Channelization
8.2.1 Illumination
8.6.1 Rail-Highway Design
9.1.1 Bicycle and Pedestrian Facility Devel. (Retired Category)
10.1.1 Hydrologic Studies
10.2.1 Roadway Hydraulic Design
10.3.1 Bridge Hydraulic Design
10.5.1 Bridge Scour Evaluations And Analysis
11.1.1 Roadway Construction Management And Inspection
11.2.1 Bridge Construction Management And Inspection
11.3.1 Construction Superintendent
11.4.1 Environmental Inspections
12.1.4 Asphaltic Concrete Placement
12.1.5 Portland Cement Concrete Placement
12.1.7 Embankment/Subgrade/Backfill/Base Placement
18.3.1 Utility Adjustment Coordination
18.4.1 Utility Engineering



Renewal Status JANUARY 10, 2022 ( ACTIVE )
Firm Name SANDERSON SURVEYING INC.
Mailing Address 1874 SOUTH STATE HWY 121
BONHAM, TX 75418
Firm Phone (903)640-3830

Areas of Certification
15.1.1 Right of Way Surveys
15.2.1 Design Survey
15.2.2 Construction Survey
15.3.5 Horizontal and Vertical Control



Renewal Status JANUARY 18, 2022 ( ACTIVE )
Firm Name SAXON LOOMIS CONSULTING GROUP LLC
Mailing Address 2216 COLLEGE AVE
AUSTIN, TX 78704
Firm Phone (512)826-3711

Areas of Certification
1.4.1 Land Planning/Engineering
1.5.1 Feasibility Studies
2.5.1 Geological Assessment for Edwards Aquifer Recharge Zone
3.2.1 Route Studies & Schematic Design
4.2.1 Roadway Design
8.1.1 Signing, Pavement Marking, And Channelization
10.1.1 Hydrologic Studies
10.2.1 Roadway Hydraulic Design
10.3.1 Bridge Hydraulic Design
10.4.1 Storm Water Pump Station-Hydraulic Design
11.1.1 Roadway Construction Management And Inspection



Renewal Status FEBRUARY 11, 2022 ( ACTIVE )
Firm Name SCHNABEL ENGINEERING, LLC
Mailing Address 9800 JEB STUART PARKWAY, SUITE 200
GLEN ALLEN, VA 23059
Firm Phone (301)417-2400

Areas of Certification
1.5.1 Feasibility Studies
10.1.1 Hydrologic Studies
10.2.1 Roadway Hydraulic Design
10.3.1 Bridge Hydraulic Design
10.5.1 Bridge Scour Evaluations And Analysis
14.1.1 Soil Exploration
14.2.1 Geotechnical Testing
14.3.1 Transportation Foundation Studies
14.4.1 Building Foundation Studies
14.5.1 Evaluation & Design of Geotechnical Related Structures



Renewal Status JANUARY 14, 2022 ( ACTIVE )
Firm Name SCI ENGINEERING, INC.
Mailing Address 9330 CORPORATE PARKWAY, SUITE 610
SELMA, TX 78154
Firm Phone (636)949-8200

Areas of Certification
2.1.1 Traffic Noise Analysis
2.2.1 Air Quality Analysis
2.3.1 Wetland Delineation
2.4.1 Nationwide Permit
2.4.2 Clean Water Act Sec. 404 Permits
2.4.3 U.S. Coast G. & U.S. Army Corps of Engr. Permits
2.6.2 Impact Evaluation Assessments (Retired Category)
2.6.4 Biological Evaluations/Assessments (Retired Category)
2.10.1 Archaeological Surveys, Doc., Excavation, Testing Rpts
2.13.1 Hazardous Materials Initial Site Assessment
12.1.1 Asphaltic Concrete Production
12.1.2 Portland Cement Concrete
12.1.3 Materials Engineering
12.1.4 Asphaltic Concrete Placement
12.1.5 Portland Cement Concrete Placement
12.1.6 Embankment/Subgrade/Backfill/Base Production
12.1.7 Embankment/Subgrade/Backfill/Base Placement
14.1.1 Soil Exploration
14.2.1 Geotechnical Testing
14.3.1 Transportation Foundation Studies
14.4.1 Building Foundation Studies
14.5.1 Evaluation & Design of Geotechnical Related Structures



Renewal Status MARCH 11, 2022 ( ACTIVE )
Firm Name SCIENTECH ENGINEERS, INC
Mailing Address 701 SHEPHERD, SUITE 200
HOUSTON, TX 77007
Firm Phone (713)977-6090

Areas of Certification
3.2.1 Route Studies & Schematic Design
4.2.1 Roadway Design
4.4.1 Freeway Interchanges
5.2.1 Bridge Design
5.3.1 Multi-Level Interchange Design
6.1.1 Routine Bridge Inspection Team Leader
6.1.2 Routine Bridge Inspection Project Manager
6.2.1 Complex Bridge Inspection Team Leader
8.1.1 Signing, Pavement Marking, And Channelization
8.3.1 Signalization
10.1.1 Hydrologic Studies
10.2.1 Roadway Hydraulic Design
10.3.1 Bridge Hydraulic Design
10.5.1 Bridge Scour Evaluations And Analysis



Renewal Status NOVEMBER 14, 2022 ( ACTIVE )
Firm Name SEAGULL PME
Mailing Address 1807 SUNNYBROOK
NEW BRAUNFELS, TX 78130
Firm Phone (210)446-6865

Areas of Certification
2.5.1 Geological Assessment for Edwards Aquifer Recharge Zone
10.1.1 Hydrologic Studies
11.4.1 Environmental Inspections



Renewal Status MARCH 21, 2022 ( ACTIVE )
Firm Name SECORD & LEBOW ARCHITECTS, LLP
Mailing Address 2004 QUAIL CREEK DRIVE, SUITE 200
WICHITA FALLS, TX 76308
Firm Phone (940)767-7478

Areas of Certification
16.1.1 Architecture
16.2.1 Building and Facilities Architecture



Renewal Status JANUARY 10, 2022 ( ACTIVE )
Firm Name SEILER/LANKES GROUP, LLC
Mailing Address 11211 TAYLOR DRAPER LN, STE. 100
AUSTIN, TX 78759
Firm Phone (512)785-8564

Areas of Certification
1.1.1 Policy Planning
1.2.1 Systems Planning
1.3.1 Subarea/Corridor Planning
1.4.1 Land Planning/Engineering
1.5.1 Feasibility Studies
1.6.1 Major Investment Studies
2.4.1 Nationwide Permit
2.5.1 Geological Assessment for Edwards Aquifer Recharge Zone
3.2.1 Route Studies & Schematic Design
4.2.1 Roadway Design
4.4.1 Freeway Interchanges
4.5.1 Constructability Review
7.1.1 Traffic Engineering Studies
7.3.1 Traffic Signal Timing
7.4.1 Traffic Control Systems Analysis, Design And Implementation
7.5.1 Intelligent Transportation Systems
8.1.1 Signing, Pavement Marking, And Channelization
8.2.1 Illumination
8.3.1 Signalization
8.4.1 ITS Control Systems Analysis, Design & Implementation
8.6.1 Rail-Highway Design
9.1.1 Bicycle and Pedestrian Facility Devel. (Retired Category)
10.1.1 Hydrologic Studies
10.2.1 Roadway Hydraulic Design
10.3.1 Bridge Hydraulic Design
11.1.1 Roadway Construction Management And Inspection



Renewal Status FEBRUARY 11, 2022 ( ACTIVE )
Firm Name SEK ENGINEERING, CORP.
Mailing Address 701 SHEPHERD DR., SUITE 200A
HOUSTON, TX 77007
Firm Phone (281)271-1720

Areas of Certification
3.2.1 Route Studies & Schematic Design
4.2.1 Roadway Design
4.4.1 Freeway Interchanges
5.2.1 Bridge Design
5.3.1 Multi-Level Interchange Design
6.1.1 Routine Bridge Inspection Team Leader
6.1.2 Routine Bridge Inspection Project Manager
6.2.1 Complex Bridge Inspection Team Leader
8.1.1 Signing, Pavement Marking, And Channelization
8.3.1 Signalization
9.1.1 Bicycle and Pedestrian Facility Devel. (Retired Category)
10.1.1 Hydrologic Studies
10.2.1 Roadway Hydraulic Design



Renewal Status MARCH 31, 2022 ( ACTIVE )
Firm Name SENER ENGINEERING AND SYSTEMS, INC.
Mailing Address 800 WILSHIRE BLVD., SUITE 700
LOS ANGELES, CA 90017
Firm Phone (323)447-0751

Areas of Certification
1.3.1 Subarea/Corridor Planning
1.5.1 Feasibility Studies
3.2.1 Route Studies & Schematic Design
4.2.1 Roadway Design
4.4.1 Freeway Interchanges



Renewal Status JANUARY 18, 2022 ( ACTIVE )
Firm Name SEPARATION SYSTEMS CONSULTANTS, INC
Mailing Address 17041 EL CAMINO REAL, SUITE 200
HOUSTON, TX 77058
Firm Phone (281)486-1943

Areas of Certification
1.5.1 Feasibility Studies
2.3.1 Wetland Delineation
2.4.1 Nationwide Permit
2.13.1 Hazardous Materials Initial Site Assessment
17.5.1 Civil Engineering



Renewal Status JANUARY 24, 2022 ( ACTIVE )
Firm Name SEVENTH GENERATION DESIGN, INC.
Mailing Address 933 N FLORES
SAN ANTONIO, TX 78212
Firm Phone (210)241-7490

Areas of Certification
16.1.1 Architecture



Renewal Status FEBRUARY 16, 2022 ( ACTIVE )
Firm Name SE3, LLC
Mailing Address 8401 E M 350 HWY
KANSAS CITY, MO 64133
Firm Phone (816)272-5545

Areas of Certification
1.3.1 Subarea/Corridor Planning
1.4.1 Land Planning/Engineering
1.5.1 Feasibility Studies
3.2.1 Route Studies & Schematic Design
4.2.1 Roadway Design
4.4.1 Freeway Interchanges
5.2.1 Bridge Design
7.1.1 Traffic Engineering Studies
7.3.1 Traffic Signal Timing
7.4.1 Traffic Control Systems Analysis, Design And Implementation
7.5.1 Intelligent Transportation Systems
8.1.1 Signing, Pavement Marking, And Channelization
8.2.1 Illumination
8.3.1 Signalization
8.4.1 ITS Control Systems Analysis, Design & Implementation
8.6.1 Rail-Highway Design
9.1.1 Bicycle and Pedestrian Facility Devel. (Retired Category)
10.1.1 Hydrologic Studies
10.2.1 Roadway Hydraulic Design
10.3.1 Bridge Hydraulic Design
10.5.1 Bridge Scour Evaluations And Analysis
11.1.1 Roadway Construction Management And Inspection
11.2.1 Bridge Construction Management And Inspection
17.5.1 Civil Engineering



Renewal Status FEBRUARY 25, 2022 ( ACTIVE )
Firm Name SHALOM SERVICES CORPORATION
Mailing Address 1507 QUAIL RIDGE DR.
CEDAR HILL, TX 75104
Firm Phone (972)750-0761

Areas of Certification
3.2.1 Route Studies & Schematic Design
4.2.1 Roadway Design
8.1.1 Signing, Pavement Marking, And Channelization
10.1.1 Hydrologic Studies
10.2.1 Roadway Hydraulic Design
10.3.1 Bridge Hydraulic Design
10.5.1 Bridge Scour Evaluations And Analysis
11.1.1 Roadway Construction Management And Inspection
12.1.1 Asphaltic Concrete Production



Renewal Status JANUARY 13, 2022 ( ACTIVE )
Firm Name SHEPPARD SURVEYING CO., INC
Mailing Address 1013 ENERGY DRIVE
ABILENE, TX 79602
Firm Phone (325)695-6277

Areas of Certification
15.1.1 Right of Way Surveys
15.2.1 Design Survey
15.2.2 Construction Survey
15.3.5 Horizontal and Vertical Control
15.5.1 State Land Surveying



Renewal Status JANUARY 27, 2022 ( ACTIVE )
Firm Name SHINE & ASSOCIATES, INC.
Mailing Address P.O. BOX 305
SILSBEE, TX 77656
Firm Phone (409)385-9383

Areas of Certification
15.1.1 Right of Way Surveys
15.2.1 Design Survey
15.2.2 Construction Survey
15.3.5 Horizontal and Vertical Control
15.5.1 State Land Surveying



Renewal Status MARCH 2, 2022 ( ACTIVE )
Firm Name SHREWSBERRY & ASSOCIATES, LLC
Mailing Address 7321 SHADELAND STATION, SUITE 160
INDIANAPOLIS, IN 46256
Firm Phone (317)841-4799

Areas of Certification
1.4.1 Land Planning/Engineering
4.2.1 Roadway Design
4.5.1 Constructability Review
10.4.1 Storm Water Pump Station-Hydraulic Design
11.1.1 Roadway Construction Management And Inspection
16.3.1 Landscape Architecture
17.5.1 Civil Engineering
18.3.1 Utility Adjustment Coordination
18.4.1 Utility Engineering



Renewal Status JANUARY 26, 2022 ( ACTIVE )
Firm Name SIEGFRIED ENGINEERING & CONSTRUCTION, LLC
Mailing Address 20333 STATE HIGHWAY 249, SUITE 200
HOUSTON, TX 77070
Firm Phone (713)501-2336

Areas of Certification
1.1.1 Policy Planning
1.2.1 Systems Planning
1.3.1 Subarea/Corridor Planning
1.4.1 Land Planning/Engineering
1.5.1 Feasibility Studies
1.6.1 Major Investment Studies
2.2.1 Air Quality Analysis
2.12.1 Socio-Economic And Environmental Justice Analyses
3.2.1 Route Studies & Schematic Design
4.2.1 Roadway Design
4.4.1 Freeway Interchanges
4.5.1 Constructability Review
5.2.1 Bridge Design
7.1.1 Traffic Engineering Studies
7.3.1 Traffic Signal Timing
7.4.1 Traffic Control Systems Analysis, Design And Implementation
7.5.1 Intelligent Transportation Systems
8.1.1 Signing, Pavement Marking, And Channelization
8.2.1 Illumination
8.3.1 Signalization
8.4.1 ITS Control Systems Analysis, Design & Implementation
8.6.1 Rail-Highway Design
9.1.1 Bicycle and Pedestrian Facility Devel. (Retired Category)
10.2.1 Roadway Hydraulic Design
10.4.3 Pump Stations-Structures
11.1.1 Roadway Construction Management And Inspection
11.2.1 Bridge Construction Management And Inspection
11.3.1 Construction Superintendent
11.4.1 Environmental Inspections
11.6.1 Construction Schedule Support-General
11.7.1 Construct. Schedule Support-Sched of Roadway Design
12.1.5 Portland Cement Concrete Placement
12.2.1 Concrete Plant Inspection and Testing



Renewal Status FEBRUARY 8, 2022 ( ACTIVE )
Firm Name SIGMA ENGINEERS, INC.
Mailing Address 4099 CALDER AVENUE
BEAUMONT, TX 77706
Firm Phone (409)898-1001

Areas of Certification
1.5.1 Feasibility Studies
16.1.1 Architecture



Renewal Status APRIL 14, 2022 ( ACTIVE )
Firm Name SIMON ENGINEERING & CONSULTING, INC.
Mailing Address 15443 KNOLL TRAIL DRIVE, SUITE 140
DALLAS, TX 75248
Firm Phone (214)884-2059

Areas of Certification
1.5.1 Feasibility Studies
3.2.1 Route Studies & Schematic Design
4.2.1 Roadway Design
4.5.1 Constructability Review
5.2.1 Bridge Design
8.1.1 Signing, Pavement Marking, And Channelization
11.1.1 Roadway Construction Management And Inspection
17.5.1 Civil Engineering
18.3.1 Utility Adjustment Coordination
18.5.1 Utility Construction Management and Verification



Renewal Status APRIL 18, 2022 ( ACTIVE )
Firm Name SKA CONSULTING, L.P.
Mailing Address 1888 STEBBINS DRIVE, SUITE 100
HOUSTON, TX 77043-2841
Firm Phone (713)266-6056

Areas of Certification
2.13.1 Hazardous Materials Initial Site Assessment



Renewal Status APRIL 18, 2022 ( ACTIVE )
Firm Name SL ENGINEERING, LLC
Mailing Address 5050 BEAR CLAW LANE
ROCKWALL, TX 75032
Firm Phone (214)213-3954

Areas of Certification
7.1.1 Traffic Engineering Studies
7.3.1 Traffic Signal Timing
7.4.1 Traffic Control Systems Analysis, Design And Implementation
7.5.1 Intelligent Transportation Systems
8.1.1 Signing, Pavement Marking, And Channelization
8.3.1 Signalization
8.4.1 ITS Control Systems Analysis, Design & Implementation



Renewal Status FEBRUARY 17, 2022 ( ACTIVE )
Firm Name SLAY ENGINEERING CO, INC.
Mailing Address 123 ALTGELT
SAN ANTONIO, TX 78201
Firm Phone (210)734-4388

Areas of Certification
1.4.1 Land Planning/Engineering
2.5.1 Geological Assessment for Edwards Aquifer Recharge Zone
3.2.1 Route Studies & Schematic Design
4.2.1 Roadway Design
6.1.1 Routine Bridge Inspection Team Leader
7.1.1 Traffic Engineering Studies
8.1.1 Signing, Pavement Marking, And Channelization
8.3.1 Signalization
8.6.1 Rail-Highway Design
9.1.1 Bicycle and Pedestrian Facility Devel. (Retired Category)
10.1.1 Hydrologic Studies
10.2.1 Roadway Hydraulic Design
10.3.1 Bridge Hydraulic Design
10.4.1 Storm Water Pump Station-Hydraulic Design
10.4.3 Pump Stations-Structures
11.1.1 Roadway Construction Management And Inspection
15.1.1 Right of Way Surveys



Renewal Status AUGUST 12, 2022 ( ACTIVE )
Firm Name SMC CONSULTING, INC.
Mailing Address 3418 PICKERING LANE
PEARLAND, TX 77584
Firm Phone (281)997-7911

Areas of Certification
2.1.1 Traffic Noise Analysis
2.2.1 Air Quality Analysis
2.4.1 Nationwide Permit
2.4.2 Clean Water Act Sec. 404 Permits
2.12.1 Socio-Economic And Environmental Justice Analyses
2.13.1 Hazardous Materials Initial Site Assessment
2.14.1 Environmental Document Preparation
18.2.1 Subsurface Utility Engineering (Utility Eng. Investigation)



Renewal Status JANUARY 10, 2022 ( ACTIVE )
Firm Name SOLAR SURVEYING, LLC
Mailing Address 11111 KATY FREEWAY, SUITE 910
HOUSTON, TX 77079
Firm Phone (832)781-4697

Areas of Certification
15.1.1 Right of Way Surveys
15.2.1 Design Survey
15.2.2 Construction Survey
15.3.5 Horizontal and Vertical Control



Renewal Status APRIL 19, 2022 ( ACTIVE )
Firm Name SOLARAY ENGINEERING, INC.
Mailing Address 2727 LBJ FREEWAY, SUITE 525
DALLAS, TX 75234
Firm Phone (972)247-1516

Areas of Certification
3.2.1 Route Studies & Schematic Design
4.2.1 Roadway Design
4.4.1 Freeway Interchanges
8.1.1 Signing, Pavement Marking, And Channelization
10.1.1 Hydrologic Studies
10.2.1 Roadway Hydraulic Design
10.4.1 Storm Water Pump Station-Hydraulic Design
11.1.1 Roadway Construction Management And Inspection
18.2.1 Subsurface Utility Engineering (Utility Eng. Investigation)
18.3.1 Utility Adjustment Coordination
18.4.1 Utility Engineering
18.5.1 Utility Construction Management and Verification
18.6.1 Utility Management & Coordination Oversight



Renewal Status JANUARY 24, 2022 ( ACTIVE )
Firm Name SOUTHEASTERN ARCHAEOLOGICAL RESEARCH, INC.
Mailing Address 9442 N CAPITAL OF TEXAS HWY NORTH PLASA 1 STE 513
AUSTIN, TX 78756
Firm Phone (814)232-0910

Areas of Certification
2.10.1 Archaeological Surveys, Doc., Excavation, Testing Rpts
2.15.1 Historical Research Of Extant Bldgs, Struct, Landsc., & Obj.
2.15.2 Historical Surveys & Doc. of Bldgs, Struct, Landsc., & Obj.



Renewal Status JANUARY 14, 2022 ( ACTIVE )
Firm Name SOUTHERN TRAFFIC SERVICES, INC.
Mailing Address 2911 WESTFIELD ROAD
GULF BREEZE, FL 32563
Firm Phone (800)786-3374

Areas of Certification
7.1.1 Traffic Engineering Studies



Renewal Status FEBRUARY 7, 2022 ( ACTIVE )
Firm Name SOUTHWEST RESEARCH INSTITUTE
Mailing Address 6220 CULEBRA ROAD
SAN ANTONIO, TX 78238
Firm Phone (210)522-2230

Areas of Certification
7.4.1 Traffic Control Systems Analysis, Design And Implementation
7.5.1 Intelligent Transportation Systems
8.4.1 ITS Control Systems Analysis, Design & Implementation



Renewal Status JANUARY 24, 2022 ( ACTIVE )
Firm Name SOWINSKI SULLIVAN ARCHITECTS, PC
Mailing Address 25 MOHAWK AVENUE
SPARTA, NJ 07871
Firm Phone (201)787-8809

Areas of Certification
16.1.1 Architecture



Renewal Status OCTOBER 14, 2022 ( ACTIVE )
Firm Name SP ENGINEERING, INC.
Mailing Address 4418 BLUEBONNET DRIVE
STAFFORD, TX 77477
Firm Phone (832)867-2522

Areas of Certification
1.1.1 Policy Planning
1.4.1 Land Planning/Engineering
2.4.1 Nationwide Permit
3.2.1 Route Studies & Schematic Design
4.2.1 Roadway Design
4.4.1 Freeway Interchanges
5.2.1 Bridge Design
5.3.1 Multi-Level Interchange Design
7.1.1 Traffic Engineering Studies
7.3.1 Traffic Signal Timing
7.4.1 Traffic Control Systems Analysis, Design And Implementation
8.1.1 Signing, Pavement Marking, And Channelization
8.2.1 Illumination
8.3.1 Signalization
8.6.1 Rail-Highway Design
9.1.1 Bicycle and Pedestrian Facility Devel. (Retired Category)
10.1.1 Hydrologic Studies
10.2.1 Roadway Hydraulic Design
10.3.1 Bridge Hydraulic Design
10.4.1 Storm Water Pump Station-Hydraulic Design



Renewal Status MARCH 22, 2022 ( ACTIVE )
Firm Name SPAW INTERNATIONAL
Mailing Address HCR2 BOX 329H
PALACIOS, TX 77465-9102
Firm Phone (361)972-2485

Areas of Certification
3.2.1 Route Studies & Schematic Design
4.2.1 Roadway Design
4.4.1 Freeway Interchanges
7.1.1 Traffic Engineering Studies
7.3.1 Traffic Signal Timing
8.1.1 Signing, Pavement Marking, And Channelization
8.3.1 Signalization
10.2.1 Roadway Hydraulic Design
10.3.1 Bridge Hydraulic Design
10.4.1 Storm Water Pump Station-Hydraulic Design
11.1.1 Roadway Construction Management And Inspection
14.3.1 Transportation Foundation Studies



Renewal Status FEBRUARY 16, 2022 ( ACTIVE )
Firm Name SPHERE 3 ENVIRONMENTAL, INC.
Mailing Address 1501 BILL OWENS PARKWAY
LONGVIEW, TX 75604
Firm Phone (903)297-4673

Areas of Certification
2.3.1 Wetland Delineation
2.4.1 Nationwide Permit
2.4.2 Clean Water Act Sec. 404 Permits
2.4.3 U.S. Coast G. & U.S. Army Corps of Engr. Permits
2.5.1 Geological Assessment for Edwards Aquifer Recharge Zone
2.6.2 Impact Evaluation Assessments (Retired Category)
2.13.1 Hazardous Materials Initial Site Assessment
2.14.1 Environmental Document Preparation




Updated December 04, 2022

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