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Active Precertified Firms - Sorted by Firm Name

Active Precertified Firm Page Links ( Updated July 27, 2021 at 9:00:05 P.M. )
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Renewal Status JANUARY 4, 2021 ( 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 FEBRUARY 25, 2021 ( 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 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 19, 2021 ( 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
1.7.1 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
2.3.2 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
2.6.4 Biological Evaluations/Assessments
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 Design Visualization Services
5.2.1 Bridge Design
5.5.1 Bridge & Non-Bridge Class Culvert and Inlet 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 Development
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
11.4.1 Environmental Inspections
11.7.1 Construct. Schedule Support-Sched of Roadway Design
14.1.1 Soil Exploration
14.2.1 Geotechnical Testing
14.3.1 Transportation Foundation Studies
15.1.1 Right of Way Surveys
15.2.1 Design Survey
15.2.2 Construction Survey
18.2.1 Subsurface Utility 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



Renewal Status JANUARY 5, 2021 ( 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
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
2.6.4 Biological Evaluations/Assessments
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 Design Visualization Services
5.2.1 Bridge Design
5.3.1 Multi-Level Interchange Design
5.5.1 Bridge & Non-Bridge Class Culvert and Inlet 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
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 Development
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
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 Plant Inspection And Testing
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



Renewal Status MAY 24, 2021 ( ACTIVE )
Firm Name RUDS ENGINEERING AND CONSTRUCTION SERVICES LLC
Mailing Address 1803 S DOMINIQUE DR
PHARR, TX 78577
Firm Phone (512)788-4629

Areas of Certification
1.3.1 Subarea/Corridor Planning
1.4.1 Land Planning/Engineering
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



Renewal Status MARCH 16, 2021 ( 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
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
4.2.1 Roadway Design
4.4.1 Freeway Interchanges
4.5.1 Constructability Review
4.6.1 3-D Design Visualization Services
5.2.1 Bridge Design
5.5.1 Bridge & Non-Bridge Class Culvert and Inlet 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
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 Development
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
11.6.1 Construction Schedule Support-General
11.7.1 Construct. Schedule Support-Sched of Roadway Design
11.8.1 Construct Schedule Support-Sched Bridge & Interchange Proj
12.1.2 Portland Cement Concrete
14.3.1 Transportation Foundation Studies
14.5.1 Evaluation & Design of Geotechnical Related Structures
18.2.1 Subsurface Utility 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



Renewal Status FEBRUARY 12, 2021 ( 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 Development
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 MARCH 10, 2021 ( ACTIVE )
Firm Name S & B INFRASTRUCTURE, LTD.
Mailing Address 15150 MEMORIAL DRIVE
HOUSTON, TX 77078
Firm Phone (713)845-4986

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
2.3.2 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
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 Design Visualization Services
5.2.1 Bridge Design
5.3.1 Multi-Level Interchange Design
5.5.1 Bridge & Non-Bridge Class Culvert and Inlet 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
6.2.2 Complex Bridge Inspection Project Manager
7.1.1 Traffic Engineering Studies
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 Development
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
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
12.1.3 Materials Engineering
12.1.4 Asphaltic Concrete Placement
12.1.5 Portland Cement Concrete Placement
14.1.1 Soil Exploration
14.2.1 Geotechnical Testing
14.3.1 Transportation 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
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 FEBRUARY 25, 2021 ( ACTIVE )
Firm Name SALAS O BRIEN, LLC
Mailing Address 10930 WEST SAM HOUSTON PKWY. N. #900
HOUSTON, TX 77064
Firm Phone (281)664-1900

Areas of Certification
17.3.1 Plumbing Engineering
17.4.1 Electrical Engineering



Renewal Status APRIL 12, 2021 ( ACTIVE )
Firm Name SALCEDO GROUP, INC.
Mailing Address 401 COLLEGE STREET
GRAND PRAIRIE, TX 75050
Firm Phone (214)412-3122

Areas of Certification
1.5.1 Feasibility Studies
3.2.1 Route Studies & Schematic Design
4.2.1 Roadway Design
9.1.1 Bicycle And Pedestrian Facility Development
10.1.1 Hydrologic Studies
10.2.1 Roadway Hydraulic Design
15.1.1 Right of Way Surveys
15.2.1 Design Survey
15.2.2 Construction Survey



Renewal Status JANUARY 12, 2021 ( 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
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 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
17.1.1 Structural Engineering
17.5.1 Civil Engineering
18.2.1 Subsurface Utility 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



Renewal Status JULY 12, 2021 ( 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 Development
10.4.1 Storm Water Pump Station-Hydraulic Design



Renewal Status FEBRUARY 11, 2021 ( 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
18.3.1 Utility Adjustment Coordination



Renewal Status JANUARY 30, 2021 ( 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 Design Visualization 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 Development
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
18.4.1 Utility Engineering



Renewal Status MARCH 17, 2021 ( 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 APRIL 8, 2021 ( ACTIVE )
Firm Name SCHAUMBURG & POLK, INC.
Mailing Address 8865 COLLEGE STREET
BEAUMONT, TX 77707
Firm Phone (409)866-0341

Areas of Certification
1.4.1 Land Planning/Engineering
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
6.1.1 Routine Bridge Inspection Team Leader
7.1.1 Traffic Engineering Studies
7.3.1 Traffic Signal Timing
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 Development
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
15.1.1 Right of Way Surveys
15.3.5 Horizontal and Vertical Control



Renewal Status MARCH 15, 2021 ( ACTIVE )
Firm Name SCHNABEL ENGINEERING, LLC
Mailing Address 9800 JEB STUART PARKWAY, SUITE 200
GLEN ALLEN, VA 23059
Firm Phone (804)264-3222

Areas of Certification
1.5.1 Feasibility Studies
10.1.1 Hydrologic Studies
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 24, 2021 ( 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
2.6.4 Biological Evaluations/Assessments
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 MAY 12, 2021 ( 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
10.5.1 Bridge Scour Evaluations And Analysis



Renewal Status JANUARY 19, 2021 ( ACTIVE )
Firm Name SCOTT A. MOEHLMAN, P.E.
Mailing Address 120 RASKA DR
YOAKUM, TX 77995
Firm Phone (361)293-5170

Areas of Certification
6.1.1 Routine Bridge Inspection Team Leader
6.1.2 Routine Bridge Inspection Project Manager



Renewal Status JANUARY 4, 2021 ( ACTIVE )
Firm Name SDW & ASSOCIATES, INC.
Mailing Address 313 MAYFAIR DR.
HURST, TX 76054
Firm Phone (903)520-1419

Areas of Certification
6.1.1 Routine Bridge Inspection Team Leader



Renewal Status APRIL 15, 2021 ( 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 31, 2021 ( 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 FEBRUARY 26, 2021 ( ACTIVE )
Firm Name SEILER/LANKES GROUP, LLC
Mailing Address 345 CYPRESS CREEK ROAD, SUITE 101
CEDAR PARK, TX 78613
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 Development
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 23, 2021 ( 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 Development
10.1.1 Hydrologic Studies
10.2.1 Roadway Hydraulic Design



Renewal Status APRIL 9, 2021 ( 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 FEBRUARY 2, 2021 ( 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 FEBRUARY 17, 2021 ( 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 JANUARY 15, 2021 ( ACTIVE )
Firm Name SE3, LLC
Mailing Address 15110 N. DALLAS PARKWAY, SUITE 370
DALLAS, TX 75248
Firm Phone (469)758-2982

Areas of Certification
1.3.1 Subarea/Corridor Planning
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
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 Development
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 MARCH 30, 2021 ( 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 FEBRUARY 24, 2021 ( 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 7, 2021 ( 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 30, 2021 ( 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
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
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 MAY 5, 2021 ( 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 Development
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



Renewal Status JANUARY 15, 2021 ( 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 FEBRUARY 25, 2021 ( 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 FEBRUARY 5, 2021 ( 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 JANUARY 12, 2021 ( 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 Development
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 MARCH 24, 2021 ( 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
2.3.1 Wetland Delineation
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



Renewal Status FEBRUARY 15, 2021 ( ACTIVE )
Firm Name SMITH CRM, LLC
Mailing Address 2900 W. ANDERSON LN., STE. C200, #301
AUSTIN, TX 78757
Firm Phone (512)893-0538

Areas of Certification
2.7.2 Historic Sites Sec. 4(f) Evaluations
2.15.1 Historical Research Of Extant Bldgs, Struct, Landsc., & Obj.
2.15.2 Historical Surveys & Doc. of Bldgs, Struct, Landsc., & Obj.



Renewal Status APRIL 1, 2021 ( 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 MARCH 15, 2021 ( 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
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 JUNE 1, 2021 ( 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 19, 2021 ( 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 5, 2021 ( ACTIVE )
Firm Name SOUTHWEST SURVEYING AND MAPPING PARTNERS, LLC
Mailing Address 3820 ACADEMY PARKWAY NORTH NE
ALBUQUERQUE, NM 87109
Firm Phone (505)508-0786

Areas of Certification
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 Development
10.1.1 Hydrologic Studies
11.1.1 Roadway Construction Management And Inspection
18.2.1 Subsurface Utility Engineering



Renewal Status FEBRUARY 22, 2021 ( 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 MARCH 25, 2021 ( 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 JANUARY 14, 2021 ( 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
2.13.1 Hazardous Materials Initial Site Assessment
2.14.1 Environmental Document Preparation



Renewal Status APRIL 15, 2021 ( ACTIVE )
Firm Name SPIRIT ENVIRONMENTAL, LLC
Mailing Address 20465 STATE HIGHWAY 249, SUITE 300
HOUSTON, TX 77070
Firm Phone (281)664-2875

Areas of Certification
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
2.13.1 Hazardous Materials Initial Site Assessment



Renewal Status MARCH 4, 2021 ( ACTIVE )
Firm Name STANLEY CONSULTANTS, INC.
Mailing Address 225 IOWA AVENUE
MUSCATINE, IA 52761
Firm Phone (563)264-6531

Areas of Certification
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
2.6.2 Impact Evaluation Assessments
2.6.4 Biological Evaluations/Assessments
2.12.1 Socio-Economic And Environmental Justice Analyses
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
5.2.1 Bridge Design
5.5.1 Bridge & Non-Bridge Class Culvert and Inlet 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
9.1.1 Bicycle And Pedestrian Facility Development
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
12.1.3 Materials Engineering
12.2.1 Plant Inspection And Testing
19.1.1 Value Engineering



Renewal Status JANUARY 21, 2021 ( ACTIVE )
Firm Name STANTEC CONSULTING SERVICES INC.
Mailing Address 12222 MERIT DRIVE, SUITE 400
DALLAS, TX 75251-2268
Firm Phone (512)469-5315

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
2.3.2 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
2.7.1 Sec. 4(F)/6(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
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 Design Visualization Services
5.2.1 Bridge Design
5.3.1 Multi-Level Interchange Design
5.5.1 Bridge & Non-Bridge Class Culvert and Inlet 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 Development
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
10.4.2 Pump Stations-Electrical
10.4.3 Pump Stations-Structures
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
12.1.3 Materials Engineering
12.1.4 Asphaltic Concrete 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
15.1.1 Right of Way Surveys
15.2.1 Design Survey
15.2.2 Construction Survey
15.3.3 Terrestrial LIDAR
15.3.4 Mobile and Airborne LiDAR
15.3.5 Horizontal and Vertical Control
15.5.1 State Land Surveying
16.1.1 Architecture
16.3.1 Landscape Architecture
17.1.1 Structural Engineering
17.4.1 Electrical Engineering
17.5.1 Civil Engineering
18.2.1 Subsurface Utility 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



Renewal Status FEBRUARY 26, 2021 ( ACTIVE )
Firm Name STAR ENGINEERING GROUP, INC.
Mailing Address PO BOX 643
HELOTES, TX 78023-0643
Firm Phone (210)871-4133

Areas of Certification
4.2.1 Roadway Design
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
10.2.1 Roadway Hydraulic Design
10.5.1 Bridge Scour Evaluations And Analysis
14.3.1 Transportation Foundation Studies



Renewal Status JANUARY 15, 2021 ( ACTIVE )
Firm Name STEVENS TECHNICAL SERVICES, INC.
Mailing Address 14531 FM 529, SUITE 160
HOUSTON, TX 77095
Firm Phone (713)828-4742

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
1.7.1 Traffic Demand Modeling
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
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 Development
18.2.1 Subsurface Utility Engineering



Renewal Status APRIL 20, 2021 ( ACTIVE )
Firm Name STOA INTERNATIONAL ARCHITECTS, INC.
Mailing Address 6001 SAVOY DRIVE, SUITE 100
HOUSTON, TX 77036
Firm Phone (713)995-8784

Areas of Certification
16.1.1 Architecture



Renewal Status MARCH 16, 2021 ( ACTIVE )
Firm Name STRAND ASSOCIATES, INC.
Mailing Address 910 WEST WINGRA DRIVE
MADISON, WI 53715-1943
Firm Phone (608)251-4843

Areas of Certification
1.3.1 Subarea/Corridor Planning
1.4.1 Land Planning/Engineering
1.5.1 Feasibility Studies
2.3.1 Wetland Delineation
2.4.1 Nationwide Permit
2.4.2 Clean Water Act Sec. 404 Permits
2.7.1 Sec. 4(F)/6(F) Evaluations
2.12.1 Socio-Economic And Environmental Justice Analyses
2.14.1 Environmental Document Preparation
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
8.3.1 Signalization
8.4.1 ITS Control Systems Analysis, Design & Implementation
8.6.1 Rail-Highway Design
9.1.1 Bicycle And Pedestrian Facility Development
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
15.1.1 Right of Way Surveys
15.2.1 Design Survey
15.2.2 Construction Survey



Renewal Status JANUARY 6, 2021 ( ACTIVE )
Firm Name STRATEGIC VALUE SOLUTIONS, INC.
Mailing Address 19201 E VALLEY VIEW PARKWAY, SUITE H
INDEPENDENCE, MO 64055
Firm Phone (816)795-0700

Areas of Certification
19.1.1 Value Engineering



Renewal Status JANUARY 4, 2021 ( ACTIVE )
Firm Name STRAUGHAN ENVIRONMENTAL, INC.
Mailing Address 10245 OLD COLUMBIA ROAD
COLUMBIA, MD 21046
Firm Phone (443)539-2515

Areas of Certification
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
10.6.1 Coastal Hydraulic Design
10.7.1 Riverine Hydraulic Design



Renewal Status JANUARY 26, 2021 ( ACTIVE )
Firm Name STRINTEG CORPORATION
Mailing Address 2209 COOPER LAKE RD SE
SMYRNA, GA 30080
Firm Phone (404)804-4324

Areas of Certification
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
6.3.1 Tunnel Inspection Team Leader
6.3.2 Tunnel Inspection Project Manager
11.2.1 Bridge Construction Management And Inspection



Renewal Status MARCH 26, 2021 ( ACTIVE )
Firm Name STRUCTURAL DIAGNOSTICS, INC.
Mailing Address 1822 DALY DR.
CORPUS CHRISTI, TX 78412
Firm Phone (361)877-3897

Areas of Certification
6.1.1 Routine Bridge Inspection Team Leader
6.1.2 Routine Bridge Inspection Project Manager



Renewal Status FEBRUARY 3, 2021 ( ACTIVE )
Firm Name STRUCTURAL ENGINEERING ASSOCIATES, INC.
Mailing Address 3838 N.W. LOOP 410
SAN ANTONIO, TX 78229
Firm Phone (210)735-9202

Areas of Certification
1.5.1 Feasibility Studies
2.4.2 Clean Water Act Sec. 404 Permits
3.2.1 Route Studies & Schematic Design
4.2.1 Roadway Design
5.2.1 Bridge Design
5.2.1 Bridge Design
5.2.1 Bridge Design
5.3.1 Multi-Level Interchange Design
5.5.1 Bridge & Non-Bridge Class Culvert and Inlet Design
6.1.1 Routine Bridge Inspection Team Leader
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
12.2.1 Plant Inspection And Testing
14.3.1 Transportation Foundation Studies
14.4.1 Building Foundation Studies
14.5.1 Evaluation & Design of Geotechnical Related Structures




Updated July 27, 2021

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