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Active Precertified Firms - Sorted by Firm Name

Active Precertified Firm Page Links ( Updated January 31, 2024 at 9:00:08 P.M. )
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Renewal Status FEBRUARY 24, 2023 ( ACTIVE )
Firm Name KTA-TATOR, INC.
Mailing Address 145 ENTERPRISE DRIVE
PITTSBURGH, PA 15275-1214
Firm Phone (412)722-0124

Areas of Certification
6.5.1 Non-Destructive Testing
12.2.1 Concrete Plant Inspection and Testing
12.2.2 Prefabricated Structural Materials Fabrication Plant Inspect
12.2.3 Precast Concrete Fabrication Plant Inspection and Testing Te
12.2.4 Structural Steel Fabrication Plant Inspection and Testing Te
12.3.1 Coatings Insp and Mat'l Testing Proj Mgr (Retired Category)
12.3.2 Coatings Insp and Mat'l Testing Task Lead (Retired Category)
12.3.3 Coatings Inspection Task Leader
12.3.4 Materials Testing Task Leader
12.3.5 Cathodic Protection Task Leader



Renewal Status MARCH 28, 2023 ( ACTIVE )
Firm Name KUO & ASSOCIATES, INC.
Mailing Address 10300 WESTOFFICE DRIVE STE 800
HOUSTON, TX 77042
Firm Phone (713)975-8769

Areas of Certification
4.2.1 Roadway Design
5.2.1 Bridge Design
8.1.1 Signing, Pavement Marking, And Channelization
8.3.1 Signalization
10.2.1 Roadway Hydraulic Design
11.1.1 Roadway Construction Management And Inspection
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, 2024 ( ACTIVE )
Firm Name KYSU GROUP, PLLC
Mailing Address PO BOX 181725
ARLINGTON, TX 76096-1725
Firm Phone (972)567-2877

Areas of Certification
1.2.1 Systems Planning
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
8.1.1 Signing, Pavement Marking, And Channelization
8.6.1 Rail-Highway Design
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
14.3.1 Transportation Foundation Studies



Renewal Status MARCH 14, 2023 ( ACTIVE )
Firm Name L&G CONSULTING ENGINEERS, INC.
Mailing Address 2100 W EXPRESSWAY 83
MERCEDES, TX 78570
Firm Phone (956)565-9813

Areas of Certification
1.5.1 Feasibility Studies
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 (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
5.2.1 Bridge Design
6.1.1 Routine Bridge Inspection Team Leader
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
11.1.1 Roadway Construction Management And Inspection
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 MARCH 29, 2023 ( ACTIVE )
Firm Name LAMB-STAR ENGINEERING, LLC
Mailing Address 3801 PARKWOOD BOULEVARD, SUITE 550
FRISCO, TX 75034
Firm Phone (214)440-3600

Areas of Certification
1.3.1 Subarea/Corridor Planning
1.4.1 Land Planning/Engineering
1.5.1 Feasibility Studies
1.8.1 Public Involvement
1.9.1 Geographic Information System (GIS) and Data Analysis
2.2.1 Air Quality Analysis
2.4.2 Clean Water Act Sec. 404 Permits
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
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
7.1.1 Traffic Engineering Studies
7.3.1 Traffic Signal Timing
7.5.1 Intelligent Transportation Systems
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)
9.3.1 Pedestrian Facility Design
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
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
12.1.7 Embankment/Subgrade/Backfill/Base Placement
12.2.1 Concrete Plant Inspection and Testing
14.3.1 Transportation Foundation Studies
15.1.1 Right of Way Surveys
15.2.1 Design Survey
15.2.2 Construction Survey
15.3.2 Terrestrial Photogrammetry
15.3.3 Terrestrial LIDAR
15.3.4 Mobile LiDAR
15.3.5 Horizontal and Vertical Control
15.3.6 Airborne LiDAR
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 APRIL 3, 2023 ( ACTIVE )
Firm Name LAND-MARK PROFESSIONAL SURVEYING INCORPORATED
Mailing Address 1420 BESSEMER DR.
EL PASO, TX 79936
Firm Phone (915)598-1300

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 9, 2024 ( ACTIVE )
Firm Name LANDESIGN SERVICES, INC.
Mailing Address 10090 W HIGHWAY 29
LIBERTY HILL, TX 78642
Firm Phone (512)238-7901

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
15.5.1 State Land Surveying



Renewal Status JANUARY 27, 2023 ( ACTIVE )
Firm Name LANDMARK SURVEYING, LP
Mailing Address 2205 E 5TH ST.
AUSTIN, TX 78702
Firm Phone (512)328-7411

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 3, 2023 ( ACTIVE )
Firm Name LANDTEC ENGINEERS LLC
Mailing Address 3906 W IH-20, STE 100
ARLINGTON, TX 76017
Firm Phone (817)572-2281

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 15, 2024 ( ACTIVE )
Firm Name LANDTECH, INC.
Mailing Address 2525 NORTH LOOP WEST STE 300
HOUSTON, TX 77008
Firm Phone (713)861-7068

Areas of Certification
1.9.1 Geographic Information System (GIS) and Data Analysis
15.1.1 Right of Way Surveys
15.2.1 Design Survey
15.2.2 Construction Survey
15.3.3 Terrestrial LIDAR
15.3.5 Horizontal and Vertical Control
15.5.1 State Land Surveying



Renewal Status JANUARY 19, 2023 ( ACTIVE )
Firm Name LANGAN ENGINEERING AND ENVIRONMENTAL SERVICES, INC.
Mailing Address 300 KIMBALL DRIVE
PARSIPPANY, NJ 07054
Firm Phone (571)366-6814

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
2.13.1 Hazardous Materials Initial Site Assessment
3.2.1 Route Studies & Schematic Design
4.2.1 Roadway Design
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
8.3.1 Signalization
8.6.1 Rail-Highway Design
10.2.1 Roadway Hydraulic Design
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 20, 2023 ( ACTIVE )
Firm Name LATITUDES ENVIRONMENTAL, LLC
Mailing Address 2050 NORTH LOOP W STE 225
HOUSTON, TX 77018-8111
Firm Phone (713)636-9501

Areas of Certification
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
2.13.1 Hazardous Materials Initial Site Assessment



Renewal Status JANUARY 17, 2024 ( ACTIVE )
Firm Name LDG ENTERPRISES, LLC DBA GDJ ENGINEERING
Mailing Address 2805 FOUNTAIN PLAZA BLVD., SUITE A
EDINBURG, TX 78539
Firm Phone (956)639-2404

Areas of Certification
1.1.1 Policy Planning
1.2.1 Systems Planning
1.3.1 Subarea/Corridor Planning
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
2.4.1 Nationwide Permit
2.4.2 Clean Water Act Sec. 404 Permits
2.6.2 Impact Evaluation 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
4.2.1 Roadway Design
8.1.1 Signing, Pavement Marking, And Channelization
10.1.1 Hydrologic Studies
10.2.1 Roadway Hydraulic Design
10.5.1 Bridge Scour Evaluations And Analysis
11.1.1 Roadway Construction Management And Inspection
11.4.1 Environmental Inspections
18.2.1 Subsurface Utility Engineering (Utility Eng. Investigation)
18.3.1 Utility Adjustment Coordination
18.6.1 Utility Management & Coordination Oversight



Renewal Status APRIL 27, 2023 ( ACTIVE )
Firm Name LEADERSHIP TRAFFIC SERVICES
Mailing Address 1504 WHITAKER WAY
GLENN HEIGHTS, TX 75154-8777
Firm Phone (214)985-9630

Areas of Certification
3.2.1 Route Studies & Schematic Design
4.2.1 Roadway 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
11.1.1 Roadway Construction Management And Inspection



Renewal Status JANUARY 18, 2024 ( ACTIVE )
Firm Name LEE ENGINEERING, L.L.C.
Mailing Address 3030 LBJ FREEWAY, SUITE 1660
DALLAS, TX 75234
Firm Phone (972)248-3006

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
3.2.1 Route Studies & Schematic Design
3.7.1 Traffic Operational Analysis
4.2.1 Roadway 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)
9.3.1 Pedestrian Facility Design
11.1.1 Roadway Construction Management And Inspection



Renewal Status OCTOBER 31, 2023 ( ACTIVE )
Firm Name LEFEVRE ENGINEERING PLLC
Mailing Address 818 MANSFIELD DR UNIT 182
PORT MANSFIELD, TX 78598
Firm Phone (956)540-9428

Areas of Certification
4.2.1 Roadway Design
8.1.1 Signing, Pavement Marking, And Channelization
9.3.2 Accessibility Design
11.1.1 Roadway Construction Management And Inspection
17.5.1 Civil Engineering
23.7.1 Project Finance Support



Renewal Status JANUARY 6, 2024 ( ACTIVE )
Firm Name LEGACY ENGINEERING GROUP, PLLC
Mailing Address 7800 W INTERSTATE 10, SUITE 830
SAN ANTONIO, TX 78230
Firm Phone (956)645-8134

Areas of Certification
1.2.1 Systems Planning
1.3.1 Subarea/Corridor Planning
1.4.1 Land Planning/Engineering
1.6.1 Major Investment Studies
1.9.1 Geographic Information System (GIS) and Data Analysis
3.2.1 Route Studies & Schematic Design
3.7.1 Traffic Operational Analysis
4.2.1 Roadway Design
4.4.1 Freeway Interchanges
4.7.1 Traffic Safety Analysis
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
9.1.1 Bicycle and Pedestrian Facility Devel. (Retired Category)
11.9.1 Railroad Coordination Management During Construction
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 6, 2023 ( ACTIVE )
Firm Name LEVI JAY & ASSOCIATES INC.
Mailing Address 3444 CORNERSTONE LANE
MIDLOTHIAN, TX 76065
Firm Phone (214)998-6781

Areas of Certification
4.2.1 Roadway Design
8.1.1 Signing, Pavement Marking, And Channelization
17.5.1 Civil Engineering



Renewal Status MARCH 30, 2023 ( ACTIVE )
Firm Name LINA T. RAMEY AND ASSOCIATES, INC.
Mailing Address 3320 BELT LINE RD
FARMERS BRANCH, TX 75234
Firm Phone (214)979-1144

Areas of Certification
1.1.1 Policy 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
2.2.1 Air Quality Analysis
2.5.1 Geological Assessment for Edwards Aquifer Recharge Zone
2.12.1 Socio-Economic And Environmental Justice Analyses
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
5.5.1 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
7.1.1 Traffic Engineering Studies
7.3.1 Traffic Signal Timing
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 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
11.2.1 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
12.1.4 Asphaltic Concrete Placement
12.1.5 Portland Cement Concrete Placement
14.3.1 Transportation Foundation Studies
15.1.1 Right of Way Surveys
15.2.1 Design Survey
15.2.2 Construction Survey
15.3.2 Terrestrial Photogrammetry
15.3.3 Terrestrial LIDAR
15.3.4 Mobile LiDAR
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
18.7.1 Utility Relocation Design
19.3.1 Financial Plan Review and Development (Design-Bid-Build)
22.2.1 Chief Inspector



Renewal Status MARCH 9, 2023 ( ACTIVE )
Firm Name LJA ENGINEERING, INC.
Mailing Address 3600 W SAM HOUSTON PARKWAY S, SUITE 600
HOUSTON, TX 77042
Firm Phone (713)953-5088

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
2.5.1 Geological Assessment for Edwards Aquifer Recharge Zone
2.6.2 Impact Evaluation Assessments (Retired Category)
2.6.4 Biological Evaluations/Assessments (Retired Category)
2.7.1 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
6.2.1 Complex Bridge Inspection Team Leader
6.6.1 Assessment and Preservation of Common Bridge Types
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
9.3.2 Accessibility Design
9.4.1 Bikeway 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
10.4.2 Pump Stations-Electrical
10.4.3 Pump Stations-Structures
10.5.1 Bridge Scour Evaluations And Analysis
10.6.1 Coastal Hydraulic Design
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
11.6.1 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
12.1.6 Embankment/Subgrade/Backfill/Base Production
12.1.7 Embankment/Subgrade/Backfill/Base Placement
12.2.1 Concrete Plant Inspection and Testing
12.4.1 Pavement Design Services
12.5.1 Pavement Evaluation
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
16.3.1 Landscape Architecture
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
18.7.1 Utility Relocation Design
20.2.1 Structural Eng for Bldgs, Facil, and Infrastr- Marine Fct.
20.3.1 Civil Eng for Bldgs, Facil, and Infrastr- Marine Fct.
21.1.1 Right of Way (ROW) Acquisition Services
21.2.1 Right of Way (ROW) Acquisition Services Projet Management
21.4.1 Right of Way (ROW) Negotiation Services
21.5.1 Relocation Assistance Services
21.6.1 Condemnation Support Services
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
23.11.1 Plan Review
23.12.1 QA/QC Process Verification
23.13.1 Project Office Operations
24.7.1 Toll Plaza Design



Renewal Status JANUARY 15, 2024 ( ACTIVE )
Firm Name LJA ENVIRONMENTAL SERVICES, LLC
Mailing Address 14701 ST. MARY'S LANE, SUITE 400
HOUSTON, TX 77079
Firm Phone (281)589-0898

Areas of Certification
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
2.7.2 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.



Renewal Status FEBRUARY 1, 2023 ( ACTIVE )
Firm Name LJA PROGRAM MANAGEMENT, LLC
Mailing Address 2121 LOHMANS CROSSING ROAD, SUITE #504-409
LAKEWAY, TX 78734
Firm Phone (713)449-3065

Areas of Certification
1.1.1 Policy Planning
1.3.1 Subarea/Corridor Planning
1.5.1 Feasibility Studies
1.8.1 Public Involvement
2.4.2 Clean Water Act Sec. 404 Permits
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
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
6.6.1 Assessment and Preservation of Common Bridge Types
7.1.1 Traffic Engineering Studies
8.1.1 Signing, Pavement Marking, And Channelization
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
11.7.1 Construct. Schedule Support-Sched of Roadway Design
14.3.1 Transportation Foundation Studies
18.3.1 Utility Adjustment Coordination
18.5.1 Utility Construction Management and Verification
18.6.1 Utility Management & Coordination Oversight
19.3.1 Financial Plan Review and Development (Design-Bid-Build)
23.1.1 Alternative Delivery Procurement Manager
23.2.1 Alternative Delivery Design & Construction Support Engineer
23.3.1 Operations and Maintenance Support
23.4.1 Debt and Equity-Based Traffic and Revenue Studies (Eng.)
23.4.5 Debt and Equity-Based Traffic and Revenue Studies (Mgmt)
23.5.1 Alternative Delivery Cost Estimator
23.6.1 Document Control Using Electronic Content Mgmt Syst (ECMS)
23.7.1 Project Finance Support
23.8.1 Claims Analysis and Management
23.9.1 General Engr. Consultant (GEC) Project Svcs. (Contract PM)
23.10.1 Public Involvement for Alternative Delivery Projects
23.11.1 Plan Review
23.12.1 QA/QC Process Verification
23.13.1 Project Office Operations
24.1.1 Operations and Maintenance (O&M) Project Manager (PM)
24.2.1 Financial Plan Review and Development
24.3.1 Maintenance Cost Estimating
24.4.1 Operations and Maintenance (O&M) Assessment
24.7.1 Toll Plaza Design
24.8.1 Toll Plaza Construction Management



Renewal Status FEBRUARY 16, 2023 ( ACTIVE )
Firm Name LJA RAIL, LLC
Mailing Address 3600 W SAM HOUSTON PKWY S, SUITE 150
HOUSTON, TX 77042
Firm Phone (713)953-5030

Areas of Certification
1.3.1 Subarea/Corridor Planning
8.6.1 Rail-Highway Design
11.1.1 Roadway Construction Management And Inspection



Renewal Status FEBRUARY 22, 2023 ( ACTIVE )
Firm Name LJA SURVEYING, INC.
Mailing Address 3600 W SAM HOUSTON PKWY S, SUITE 175
HOUSTON, TX 77042
Firm Phone (713)380-4423

Areas of Certification
6.1.1 Routine Bridge Inspection Team Leader
15.1.1 Right of Way Surveys
15.2.1 Design Survey
15.2.2 Construction Survey
15.3.1 Aerial Photogrammetry
15.3.2 Terrestrial Photogrammetry
15.3.3 Terrestrial LIDAR
15.3.4 Mobile LiDAR
15.3.5 Horizontal and Vertical Control
18.2.1 Subsurface Utility Engineering (Utility Eng. Investigation)
18.4.1 Utility Engineering



Renewal Status FEBRUARY 1, 2023 ( ACTIVE )
Firm Name LLEWELYN-DAVIES SAHNI II, LLC
Mailing Address 720 N POST OAK RD, SUITE 278
HOUSTON, TX 77024
Firm Phone (713)850-1500

Areas of Certification
1.3.1 Subarea/Corridor Planning
1.4.1 Land Planning/Engineering
1.8.1 Public Involvement
4.6.1 3-D Visualization and Animation Services
16.1.1 Architecture



Renewal Status JANUARY 30, 2023 ( ACTIVE )
Firm Name LLOYD ENGINEERING, INC.
Mailing Address 6565 WEST LOOP SOUTH, SUITE 708
BELLAIRE, TX 77401
Firm Phone (832)426-4656

Areas of Certification
1.1.1 Policy Planning
1.9.1 Geographic Information System (GIS) and Data 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
2.6.5 Protected Species Evaluations



Renewal Status FEBRUARY 13, 2023 ( ACTIVE )
Firm Name LMB ENGINEERING, INC.
Mailing Address 9703 RICHMOND AVE, SUITE 111
HOUSTON, TX 77042
Firm Phone (281)888-6101

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



Renewal Status DECEMBER 13, 2023 ( ACTIVE )
Firm Name LML SERVICES, INC.
Mailing Address 106 KYRA LANE
TAYLOR, TX 76574
Firm Phone (817)496-1114

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 MAY 11, 2023 ( ACTIVE )
Firm Name LMRK ENGINEERING LLC
Mailing Address 7212 NW 129TH STREET
OKLAHOMA CITY, OK 73142
Firm Phone (405)394-6649

Areas of Certification
2.3.1 Wetland Delineation
2.4.2 Clean Water Act Sec. 404 Permits
10.1.1 Hydrologic Studies
10.2.1 Roadway Hydraulic Design
10.7.1 Riverine Hydraulic Design
10.8.1 FEMA Regulations and Permits



Renewal Status JANUARY 4, 2023 ( ACTIVE )
Firm Name LOCKWOOD, ANDREWS & NEWNAM, INC.
Mailing Address 2925 BRIARPARK DRIVE, SUITE 400
HOUSTON, TX 77042
Firm Phone (713)821-0265

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
1.9.1 Geographic Information System (GIS) and Data Analysis
2.2.1 Air Quality Analysis
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
2.7.1 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
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
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)
9.3.1 Pedestrian Facility Design
9.3.2 Accessibility Design
10.1.1 Hydrologic Studies
10.2.1 Roadway Hydraulic Design
10.3.1 Bridge Hydraulic Design
10.4.2 Pump Stations-Electrical
10.5.1 Bridge Scour Evaluations And Analysis
10.6.1 Coastal Hydraulic Design
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
11.7.1 Construct. Schedule Support-Sched of Roadway Design
12.1.3 Materials Engineering
12.4.1 Pavement Design Services
12.5.1 Pavement Evaluation
15.3.5 Horizontal and Vertical Control
16.1.1 Architecture
16.2.1 Building and Facilities Architecture
17.1.1 Structural Engineering
17.2.1 Mechanical Engineering
17.3.1 Plumbing Engineering
17.4.1 Electrical Engineering
17.5.1 Civil Engineering
18.2.1 Subsurface Utility Engineering (Utility Eng. Investigation)
18.4.1 Utility Engineering
20.2.1 Structural Eng for Bldgs, Facil, and Infrastr- Marine Fct.
20.3.1 Civil Eng for Bldgs, Facil, and Infrastr- Marine Fct.
20.4.1 Electrical Eng for Bldgs, Facil, and Infrastr- Marine Fct.
20.6.1 Hydrodynamic Modeling
21.1.1 Right of Way (ROW) Acquisition Services
21.2.1 Right of Way (ROW) Acquisition Services Projet Management
21.4.1 Right of Way (ROW) Negotiation Services
21.6.1 Condemnation Support Services
23.3.1 Operations and Maintenance Support
24.1.1 Operations and Maintenance (O&M) Project Manager (PM)
24.4.1 Operations and Maintenance (O&M) Assessment
24.5.1 Operations and Maintenance Program Support



Renewal Status JANUARY 10, 2023 ( ACTIVE )
Firm Name LONESTAR PROGRAM CONTROLS GROUP, LLC
Mailing Address 803 HAVEN POINT LOOP
NEW BRAUNFELS, TX 78132
Firm Phone (214)412-8312

Areas of Certification
1.8.1 Public Involvement
4.5.1 Constructability Review
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
12.1.3 Materials Engineering
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
18.5.1 Utility Construction Management and Verification
18.6.1 Utility Management & Coordination Oversight
22.2.1 Chief Inspector
23.6.1 Document Control Using Electronic Content Mgmt Syst (ECMS)
23.8.1 Claims Analysis and Management
23.10.1 Public Involvement for Alternative Delivery Projects
23.12.1 QA/QC Process Verification
23.13.1 Project Office Operations



Renewal Status JANUARY 27, 2023 ( ACTIVE )
Firm Name LONESTAR STATE ENVIRONMENTAL SERVICES, LP
Mailing Address 12407 N. MOPAC EXPWY. STE. 250 #364
AUSTIN, TX 78758
Firm Phone (512)922-2429

Areas of Certification
17.6.1 Hazardous Building Materials Assessment (Asbestos)
17.6.2 Hazardous Building Materials Assessment (Lead)



Renewal Status MARCH 21, 2023 ( ACTIVE )
Firm Name LOPEZ SALAS ARCHITECTS, INC.
Mailing Address 237 W TRAVIS STREET, STE 201
SAN ANTONIO, TX 78205
Firm Phone (210)734-4448

Areas of Certification
16.1.1 Architecture
16.2.1 Building and Facilities Architecture



Renewal Status MARCH 23, 2023 ( ACTIVE )
Firm Name LOUIS BERGER DCE, LLC
Mailing Address 3400 OAK GROVE STE 306
DALLAS, TX 75204
Firm Phone (214)404-2465

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
10.3.1 Bridge Hydraulic Design



Renewal Status FEBRUARY 13, 2023 ( ACTIVE )
Firm Name LOWE ENGINEERS, LLC
Mailing Address 990 HAMMOND DRIVE SUITE 990
ATLANTA, GA 30328
Firm Phone (205)222-1034

Areas of Certification
1.3.1 Subarea/Corridor Planning
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
7.5.1 Intelligent Transportation Systems
8.1.1 Signing, Pavement Marking, And Channelization
8.4.1 ITS Control Systems Analysis, Design & Implementation
11.1.1 Roadway Construction Management And Inspection
11.6.1 Construction Schedule Support-General
15.1.1 Right of Way Surveys
15.2.1 Design Survey
15.2.2 Construction Survey
15.3.1 Aerial Photogrammetry
15.3.2 Terrestrial Photogrammetry
15.3.3 Terrestrial LIDAR
15.3.4 Mobile LiDAR
15.3.5 Horizontal and Vertical Control
17.5.1 Civil Engineering
18.2.1 Subsurface Utility Engineering (Utility Eng. Investigation)
18.4.1 Utility Engineering



Renewal Status FEBRUARY 27, 2023 ( ACTIVE )
Firm Name LUMENOR CONSULTING GROUP INC
Mailing Address 11475 GREAT OAKS WAY, STE 240
ALPHARETTA, GA 30022
Firm Phone (678)215-4033

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
2.7.2 Historic Sites Sec. 4(f) Evaluations
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.



Renewal Status SEPTEMBER 25, 2023 ( ACTIVE )
Firm Name LUPHER, LLC
Mailing Address 5421 BRYSTONE DRIVE
HOUSTON, TX 77041
Firm Phone (281)501-8718

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 28, 2023 ( ACTIVE )
Firm Name LUSTER NATIONAL, INC.
Mailing Address 38 MILLER AVENUE, SUITE 14
MILL VALLEY, CA 94941
Firm Phone (415)381-5031

Areas of Certification
2.13.1 Hazardous Materials Initial Site Assessment
11.3.1 Construction Superintendent
11.4.1 Environmental Inspections
17.1.1 Structural Engineering



Renewal Status MARCH 29, 2023 ( ACTIVE )
Firm Name LW SURVEY COMPANY
Mailing Address 8400 N SAM HOUSTON PARKWAY W SUITE 100
HOUSTON, TX 77064
Firm Phone (512)790-2697

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 17, 2024 ( ACTIVE )
Firm Name LYNN CLARK ASSOCIATES, INC. DBA LCA ENVIRONMENTAL, INC.
Mailing Address P O BOX 29469
DALLAS, TX 75229-0469
Firm Phone (972)241-6680

Areas of Certification
2.3.1 Wetland Delineation
2.4.1 Nationwide Permit
2.4.2 Clean Water Act Sec. 404 Permits
2.5.1 Geological Assessment for Edwards Aquifer Recharge Zone
2.13.1 Hazardous Materials Initial Site Assessment
11.4.1 Environmental Inspections
17.6.1 Hazardous Building Materials Assessment (Asbestos)
17.6.2 Hazardous Building Materials Assessment (Lead)



Renewal Status JANUARY 11, 2024 ( ACTIVE )
Firm Name M -TO PROS DEVELOPMENT INC
Mailing Address 1441 BROADWAY, SUITE 6053
BROADWAY, NY 10018
Firm Phone (646)518-7812

Areas of Certification
11.10.1 Construction Record Keeper



Renewal Status JANUARY 10, 2023 ( ACTIVE )
Firm Name M. EVANS CONSULTING
Mailing Address 2100 EDGEMERE ROAD
BIG SPRING, TX 79720
Firm Phone (512)771-3456

Areas of Certification
10.1.1 Hydrologic Studies
10.2.1 Roadway Hydraulic Design
10.3.1 Bridge Hydraulic Design



Renewal Status MARCH 22, 2023 ( ACTIVE )
Firm Name M.G. MCLAREN, P.C.
Mailing Address 530 CHESTNUT RIDGE ROAD
WOODCLIFF LAKE, NJ 07677
Firm Phone (201)775-6000

Areas of Certification
5.2.1 Bridge Design
6.1.1 Routine Bridge Inspection Team Leader
6.4.1 Underwater Bridge Inspection Team Leader
20.2.1 Structural Eng for Bldgs, Facil, and Infrastr- Marine Fct.



Renewal Status JANUARY 17, 2023 ( ACTIVE )
Firm Name MADELINE ANZ SLAY ARCHITECTURE, PLLC
Mailing Address 123 ALTGELT AVE
SAN ANTONIO, TX 78201
Firm Phone (210)736-3009

Areas of Certification
16.1.1 Architecture



Renewal Status JANUARY 29, 2024 ( ACTIVE )
Firm Name MAESTAS & ASSOCIATES, LLC
Mailing Address 8122 DATAPOINT, SUITE 840
SAN ANTONIO, TX 78229
Firm Phone (210)366-1988

Areas of Certification
2.4.1 Nationwide Permit
2.4.2 Clean Water Act Sec. 404 Permits
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
10.7.1 Riverine Hydraulic Design
10.8.1 FEMA Regulations and Permits
11.1.1 Roadway Construction Management And Inspection
15.1.1 Right of Way Surveys
15.2.1 Design Survey
15.2.2 Construction Survey
15.3.4 Mobile LiDAR
15.3.5 Horizontal and Vertical Control
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 JANUARY 22, 2024 ( ACTIVE )
Firm Name MALDONADO-BURKETT, LLP
Mailing Address 2312 WESTERN TRAILS BLVD, SUITE C-303
AUSTIN, TX 78745
Firm Phone (512)916-1386

Areas of Certification
1.1.1 Policy Planning
1.4.1 Land Planning/Engineering
1.5.1 Feasibility Studies
1.9.1 Geographic Information System (GIS) and Data Analysis
3.2.1 Route Studies & Schematic Design
3.7.1 Traffic Operational Analysis
4.2.1 Roadway Design
4.7.1 Traffic Safety Analysis
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)
9.3.1 Pedestrian Facility Design
10.1.1 Hydrologic Studies
10.2.1 Roadway Hydraulic Design
10.4.2 Pump Stations-Electrical
11.1.1 Roadway Construction Management And Inspection
16.3.1 Landscape Architecture



Renewal Status JANUARY 19, 2023 ( ACTIVE )
Firm Name MARK E. KELLMANN, ARCHITECT
Mailing Address 376 MUSTANG CIR.
SAN ANTONIO, TX 78232
Firm Phone (210)494-9373

Areas of Certification
16.1.1 Architecture



Renewal Status FEBRUARY 2, 2023 ( ACTIVE )
Firm Name MARK W. WHITELEY, P.E., INC.
Mailing Address PO BOX 5492
BEAUMONT, TX 77726
Firm Phone (409)892-0421

Areas of Certification
2.4.1 Nationwide Permit
3.2.1 Route Studies & Schematic Design
4.2.1 Roadway Design
8.1.1 Signing, Pavement Marking, And Channelization
8.3.1 Signalization
10.1.1 Hydrologic Studies
10.2.1 Roadway Hydraulic Design
11.1.1 Roadway Construction Management And Inspection
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 1, 2023 ( ACTIVE )
Firm Name MARMON MOK, LP
Mailing Address 1020 NE LOOP 410, SUITE 201
SAN ANTONIO, TX 78209
Firm Phone (210)270-2207

Areas of Certification
16.1.1 Architecture
16.2.1 Building and Facilities Architecture
16.4.1 Interior Design



Renewal Status MARCH 30, 2023 ( ACTIVE )
Firm Name MARSHALL LANCASTER & ASSOCIATES, INC.
Mailing Address 1864 NORWOOD DR, STE E
HURST, TX 76054
Firm Phone (817)268-8000

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 13, 2023 ( ACTIVE )
Firm Name MARTIN Y. HSU, PE, CVS & ASSOCIATES, INC.
Mailing Address 9289 MIRA LINDA ROAD
LAS VEGAS, NV 89148
Firm Phone (214)223-4139

Areas of Certification
19.1.1 Value Engineering (Retired Category)
19.2.1 Value Engineering



Renewal Status APRIL 14, 2023 ( ACTIVE )
Firm Name MARTINEZ, GUY & MAYBIK, INC.
Mailing Address 6000 S. STAPLES, SUITE 207
CORPUS CHRISTI, TX 78413
Firm Phone (361)814-3070

Areas of Certification
4.2.1 Roadway Design
5.2.1 Bridge Design
8.1.1 Signing, Pavement Marking, And Channelization
9.1.1 Bicycle and Pedestrian Facility Devel. (Retired Category)
10.2.1 Roadway Hydraulic Design
11.1.1 Roadway Construction Management And Inspection
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 19, 2023 ( ACTIVE )
Firm Name MAS-TEK ENGINEERING & ASSOCIATES, INC.
Mailing Address 10625 NEWKIRK STREET SUITE 800
DALLAS, TX 75220
Firm Phone (972)709-7384

Areas of Certification
12.1.2 Portland Cement Concrete
12.1.3 Materials Engineering
12.1.5 Portland Cement Concrete Placement
12.1.7 Embankment/Subgrade/Backfill/Base Placement
12.2.1 Concrete Plant Inspection and Testing
14.2.1 Geotechnical Testing



Renewal Status MARCH 15, 2023 ( ACTIVE )
Firm Name MATKIN HOOVER ENGINEERING & SURVEYING
Mailing Address 8 SPENCER ROAD, SUITE 100
BOERNE, TX 78006-8112
Firm Phone (830)249-0600

Areas of Certification
1.4.1 Land Planning/Engineering
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
10.3.1 Bridge Hydraulic Design
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
18.4.1 Utility Engineering
18.6.1 Utility Management & Coordination Oversight
18.7.1 Utility Relocation Design



Renewal Status JANUARY 18, 2023 ( ACTIVE )
Firm Name MAYO-WRIGHT CONSULTANTS LLC
Mailing Address 329 OAKS TRAIL
STE 222, TX 75043
Firm Phone (972)346-5203

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 3, 2024 ( ACTIVE )
Firm Name MBCO ENGINEERING, LLC
Mailing Address 1505 HWY 6 SOUTH, SUITE 180
HOUSTON, TX 77077
Firm Phone (281)760-1656

Areas of Certification
2.13.1 Hazardous Materials Initial Site Assessment
4.2.1 Roadway Design
4.5.1 Constructability Review
7.1.1 Traffic Engineering Studies
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
11.1.1 Roadway Construction Management And Inspection
11.2.1 Bridge Construction Management And Inspection
11.3.1 Construction Superintendent
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
18.4.1 Utility Engineering
18.5.1 Utility Construction Management and Verification
18.6.1 Utility Management & Coordination Oversight



Renewal Status AUGUST 18, 2023 ( ACTIVE )
Firm Name MCADAMS CO.
Mailing Address 621 HILLSBOROUGH STREET, SUITE 500
RALEIGH, NC 27603
Firm Phone (940)240-1012

Areas of Certification
1.3.1 Subarea/Corridor Planning
1.4.1 Land Planning/Engineering
1.5.1 Feasibility Studies
1.8.1 Public Involvement
3.2.1 Route Studies & Schematic Design
4.6.1 3-D Visualization and Animation Services
7.1.1 Traffic Engineering Studies
7.3.1 Traffic Signal Timing
8.1.1 Signing, Pavement Marking, And Channelization
9.3.1 Pedestrian Facility Design
10.2.1 Roadway Hydraulic Design
10.7.1 Riverine Hydraulic Design
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



Renewal Status MARCH 8, 2023 ( ACTIVE )
Firm Name MCDONOUGH ENGINEERING CORPORATION
Mailing Address 5625 SCHUMACHER
HOUSTON, TX 77057
Firm Phone (713)975-9990

Areas of Certification
3.2.1 Route Studies & Schematic Design
4.2.1 Roadway Design
4.5.1 Constructability Review
5.2.1 Bridge Design
7.1.1 Traffic Engineering Studies
8.1.1 Signing, Pavement Marking, And Channelization
8.3.1 Signalization
9.1.1 Bicycle and Pedestrian Facility Devel. (Retired Category)
9.3.1 Pedestrian Facility Design
10.2.1 Roadway Hydraulic Design
11.1.1 Roadway Construction Management And Inspection
11.10.1 Construction Record Keeper
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 10, 2024 ( ACTIVE )
Firm Name MCGRAY AND MCGRAY LAND SURVEYORS, INC.
Mailing Address 3301 HANCOCK DRIVE, SUITE 6
AUSTIN, TX 78731
Firm Phone (512)451-8591

Areas of Certification
1.9.1 Geographic Information System (GIS) and Data Analysis
15.1.1 Right of Way Surveys
15.2.1 Design Survey
15.2.2 Construction Survey
15.3.1 Aerial Photogrammetry
15.3.2 Terrestrial Photogrammetry
15.3.3 Terrestrial LIDAR
15.3.4 Mobile LiDAR
15.3.5 Horizontal and Vertical Control
15.3.6 Airborne LiDAR



Renewal Status JANUARY 16, 2023 ( ACTIVE )
Firm Name MCKIM & CREED, INC.
Mailing Address 9960 W. SAM HOUSTON PKWY S., SUITE 200
HOUSTON, TX 77099
Firm Phone (704)608-6887

Areas of Certification
3.2.1 Route Studies & Schematic Design
4.2.1 Roadway Design
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
15.3.1 Aerial Photogrammetry
15.3.2 Terrestrial Photogrammetry
15.3.3 Terrestrial LIDAR
15.3.5 Horizontal and Vertical Control
15.3.6 Airborne LiDAR




Updated January 31, 2024

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