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Active Precertified Firms - Sorted by Firm Name

Active Precertified Firm Page Links ( Updated September 27, 2022 at 9:00:05 P.M. )
a&p--aust aust--carr carr--d.a. d&s--esca esca--grat gray--infr
infr--land land--merr mesa--paul paul--rods rona--stra stra--towi
traf--yash yaze--5eng

Renewal Status JANUARY 10, 2022 ( ACTIVE )
Firm Name D&S ENGINEERING LABS, LLC
Mailing Address P.O. BOX 855
COLLINSVILLE, TX 76233-9998
Firm Phone (903)420-0014

Areas of Certification
11.1.1 Roadway Construction Management And Inspection
12.1.2 Portland Cement Concrete
12.1.3 Materials Engineering
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
14.4.1 Building Foundation Studies
14.5.1 Evaluation & Design of Geotechnical Related Structures



Renewal Status MARCH 3, 2022 ( ACTIVE )
Firm Name DAAR ENGINEERING, INC.
Mailing Address 518 W. CHERRY STREET
MILWAUKEE, WI 53212
Firm Phone (414)217-7728

Areas of Certification
1.5.1 Feasibility Studies
2.14.1 Environmental Document Preparation
4.2.1 Roadway Design
4.4.1 Freeway Interchanges
4.5.1 Constructability Review
7.1.1 Traffic Engineering Studies
8.1.1 Signing, Pavement Marking, And Channelization
10.2.1 Roadway 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
11.8.1 Construct Schedule Support-Sched Bridge & Interchange Proj
12.1.3 Materials Engineering
18.4.1 Utility Engineering
18.5.1 Utility Construction Management and Verification



Renewal Status APRIL 4, 2022 ( ACTIVE )
Firm Name DAE & ASSOCIATES, LTD.
Mailing Address 17407 US HIGHWAY 59 N
HOUSTON, TX 77396
Firm Phone (713)699-4000

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



Renewal Status JANUARY 25, 2022 ( ACTIVE )
Firm Name DAL-TECH ENGINEERING, INC.
Mailing Address 17400 DALLAS PARKWAY, SUITE 110
DALLAS, TX 75287
Firm Phone (972)250-2727

Areas of Certification
3.2.1 Route Studies & Schematic Design
4.2.1 Roadway Design
7.1.1 Traffic Engineering Studies
8.1.1 Signing, Pavement Marking, And Channelization
10.1.1 Hydrologic Studies
10.2.1 Roadway Hydraulic Design
18.2.1 Subsurface Utility Engineering (Utility Eng. Investigation)



Renewal Status FEBRUARY 8, 2022 ( ACTIVE )
Firm Name DALLAS AERIAL SURVEYS, INC.
Mailing Address 4397 WESTGROVE DRIVE
ADDISON, TX 75001
Firm Phone (214)349-2200

Areas of Certification
15.3.1 Aerial Photogrammetry
15.3.2 Terrestrial Photogrammetry
15.3.4 Mobile LiDAR
15.3.6 Airborne LiDAR



Renewal Status FEBRUARY 3, 2022 ( ACTIVE )
Firm Name DAN BROWN AND ASSOCIATES, PC
Mailing Address P.O. BOX 52626
KNOXVILLE, TN 37950
Firm Phone (423)942-8681

Areas of Certification
14.3.1 Transportation Foundation Studies



Renewal Status MARCH 9, 2022 ( ACTIVE )
Firm Name DANIEL B. STEPHENS & ASSOCIATES, INC.
Mailing Address 6020 ACADEMY, NE, SUITE 100
ALBUQUERQUE, NM 87109
Firm Phone (505)822-9400

Areas of Certification
2.13.1 Hazardous Materials Initial Site Assessment
17.5.1 Civil Engineering



Renewal Status FEBRUARY 28, 2022 ( ACTIVE )
Firm Name DANIELLE SKIDMORE CONSULTING, PLLC
Mailing Address 360 NUECES ST, APT 2709
AUSTIN, TX 78701
Firm Phone (512)536-0748

Areas of Certification
2.5.1 Geological Assessment for Edwards Aquifer Recharge Zone
3.2.1 Route Studies & Schematic Design
4.2.1 Roadway Design
4.4.1 Freeway Interchanges
4.5.1 Constructability Review
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



Renewal Status MARCH 17, 2022 ( ACTIVE )
Firm Name DATUM ENGINEERS, INCORPORATED
Mailing Address 1420 W MOCKINGBIRD LN #100
DALLAS, TX 75247
Firm Phone (214)358-0174

Areas of Certification
17.1.1 Structural Engineering



Renewal Status APRIL 11, 2022 ( ACTIVE )
Firm Name DAVCAR ENGINEERING
Mailing Address 1010 LAND CREEK COVE, SUITE 200
AUSTIN, TX 78746
Firm Phone (512)328-4428

Areas of Certification
3.2.1 Route Studies & Schematic Design
4.2.1 Roadway Design
9.1.1 Bicycle and Pedestrian Facility Devel. (Retired Category)
10.1.1 Hydrologic Studies
10.2.1 Roadway Hydraulic Design
17.5.1 Civil Engineering
18.3.1 Utility Adjustment Coordination
18.4.1 Utility Engineering



Renewal Status JANUARY 7, 2022 ( ACTIVE )
Firm Name DAVID EVANS AND ASSOCIATES, INC.
Mailing Address 2100 SW RIVER PARKWAY, SUITE 100
PORTLAND, OR 97201
Firm Phone (425)519-6502

Areas of Certification
1.3.1 Subarea/Corridor Planning
1.4.1 Land Planning/Engineering
1.5.1 Feasibility Studies
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
6.1.1 Routine Bridge Inspection Team Leader
6.2.1 Complex 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
11.1.1 Roadway Construction Management And Inspection
11.3.1 Construction Superintendent
11.5.1 Construction Scheduling Project Manager
17.5.1 Civil Engineering



Renewal Status MARCH 1, 2022 ( ACTIVE )
Firm Name DCCM NORTH AMERICA, LLC
Mailing Address 1800 POST OAK BLVD
STE 450, TX 77056-3967
Firm Phone (281)417-0610

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
2.1.1 Traffic Noise Analysis
2.5.1 Geological Assessment for Edwards Aquifer Recharge Zone
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
5.2.1 Bridge Design
6.1.1 Routine 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
8.3.1 Signalization
8.6.1 Rail-Highway Design
9.1.1 Bicycle and Pedestrian Facility Devel. (Retired Category)
10.1.1 Hydrologic Studies
10.2.1 Roadway Hydraulic Design
10.3.1 Bridge Hydraulic Design
10.4.1 Storm Water Pump Station-Hydraulic Design
10.4.3 Pump Stations-Structures
10.5.1 Bridge Scour Evaluations And Analysis
11.1.1 Roadway Construction Management And Inspection
11.7.1 Construct. Schedule Support-Sched of Roadway Design
15.2.1 Design Survey
15.2.2 Construction Survey



Renewal Status MAY 10, 2022 ( ACTIVE )
Firm Name DCS ENGINEERING, LLC
Mailing Address 1101 S. CAPITAL OF TX HWY, BLD G-100
AUSTIN, TX 78746
Firm Phone (210)319-8883

Areas of Certification
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
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
8.6.1 Rail-Highway Design
18.4.1 Utility Engineering



Renewal Status JANUARY 12, 2022 ( ACTIVE )
Firm Name DE CORP.
Mailing Address P. O. BOX 22292
HOUSTON, TX 77227
Firm Phone (713)520-9570

Areas of Certification
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
1.9.1 Geographic Information System (GIS) and Data Analysis
2.3.1 Wetland Delineation
2.5.1 Geological Assessment for Edwards Aquifer Recharge Zone
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
4.6.1 3-D Visualization and Animation Services
5.2.1 Bridge Design
5.3.1 Multi-Level Interchange Design
5.5.1 Bridge & Non-Bridge Class Culvert and Inlet Design
5.6.1 Structural Engineering for Overhead Sign Supports
6.1.1 Routine Bridge Inspection Team Leader
6.2.1 Complex Bridge Inspection Team Leader
7.1.1 Traffic Engineering Studies
7.3.1 Traffic Signal Timing
7.4.1 Traffic Control Systems Analysis, Design And Implementation
7.5.1 Intelligent Transportation Systems
8.1.1 Signing, Pavement Marking, And Channelization
8.2.1 Illumination
8.3.1 Signalization
8.4.1 ITS Control Systems Analysis, Design & Implementation
8.6.1 Rail-Highway Design
9.1.1 Bicycle and Pedestrian Facility Devel. (Retired Category)
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
10.4.1 Storm Water Pump Station-Hydraulic Design
10.4.3 Pump Stations-Structures
10.5.1 Bridge Scour Evaluations And Analysis
10.8.1 FEMA Regulations and Permits
11.1.1 Roadway Construction Management And Inspection
11.2.1 Bridge Construction Management And Inspection
11.3.1 Construction Superintendent
11.4.1 Environmental Inspections
11.5.1 Construction Scheduling Project Manager
11.6.1 Construction Schedule Support-General
11.10.1 Construction Record Keeper
14.1.1 Soil Exploration
14.3.1 Transportation Foundation Studies
14.4.1 Building Foundation Studies
15.1.1 Right of Way Surveys
15.2.1 Design Survey
15.2.2 Construction Survey
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 4, 2022 ( ACTIVE )
Firm Name DECON LLC
Mailing Address 2180 NORTH LOOP WEST STE 221
HOUSTON, TX 77018
Firm Phone (832)917-0912

Areas of Certification
4.2.1 Roadway 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
6.2.1 Complex Bridge Inspection Team Leader
10.1.1 Hydrologic Studies
10.2.1 Roadway Hydraulic Design
10.3.1 Bridge Hydraulic Design
14.3.1 Transportation Foundation Studies



Renewal Status FEBRUARY 21, 2022 ( ACTIVE )
Firm Name DESCO ENVIRONMENTAL CONSULTANTS, LP
Mailing Address PO BOX 1490
MAGNOLIA, TX 77353
Firm Phone (281)252-9799

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
2.6.2 Impact Evaluation Assessments (Retired Category)
2.12.1 Socio-Economic And Environmental Justice Analyses
2.13.1 Hazardous Materials Initial Site Assessment



Renewal Status MAY 3, 2022 ( ACTIVE )
Firm Name DESIGN WORKSHOP, INC.
Mailing Address 918
CONGRESS, TX 77002
Firm Phone (713)227-0862

Areas of Certification
16.3.1 Landscape Architecture



Renewal Status MARCH 23, 2022 ( ACTIVE )
Firm Name DEWBERRY ENGINEERS INC.
Mailing Address 8401 ARLINGTON BOULEVARD
FAIRFAX, VA 22031-4666
Firm Phone (973)780-9364

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
2.6.2 Impact Evaluation Assessments (Retired Category)
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
5.3.1 Multi-Level Interchange Design
7.1.1 Traffic Engineering Studies
7.3.1 Traffic Signal Timing
7.4.1 Traffic Control Systems Analysis, Design And Implementation
7.5.1 Intelligent Transportation Systems
8.1.1 Signing, Pavement Marking, And Channelization
8.3.1 Signalization
8.6.1 Rail-Highway Design
9.1.1 Bicycle and Pedestrian Facility Devel. (Retired Category)
10.2.1 Roadway Hydraulic Design



Renewal Status JANUARY 18, 2022 ( ACTIVE )
Firm Name DFW CONSULTING GROUP, INC.
Mailing Address 1616 CORPORATE CT, SUITE 100
IRVING, TX 75038
Firm Phone (972)827-2601

Areas of Certification
17.2.1 Mechanical Engineering
17.3.1 Plumbing Engineering
17.4.1 Electrical Engineering



Renewal Status MAY 16, 2022 ( ACTIVE )
Firm Name DGR CONSULTANTS LLC
Mailing Address 1445 WATERSIDE DR.
DALLAS, TX 75218
Firm Phone (214)328-9677

Areas of Certification
11.1.1 Roadway Construction Management And Inspection
11.2.1 Bridge Construction Management And Inspection
12.1.3 Materials Engineering
12.2.1 Concrete Plant Inspection and Testing



Renewal Status FEBRUARY 24, 2022 ( ACTIVE )
Firm Name DIKITA ENTERPRISES, INC.
Mailing Address 1420 W MOCKINGBIRD LN, SUITE 600
DALLAS, TX 75247
Firm Phone (214)634-8844

Areas of Certification
3.2.1 Route Studies & Schematic Design
4.2.1 Roadway Design
8.1.1 Signing, Pavement Marking, And Channelization
8.3.1 Signalization
8.6.1 Rail-Highway Design
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
17.5.1 Civil Engineering
18.3.1 Utility Adjustment Coordination
18.4.1 Utility Engineering



Renewal Status JANUARY 31, 2022 ( ACTIVE )
Firm Name DISPUTE MANAGEMENT GROUP, LLC.
Mailing Address PO BOX 163081
AUSTIN, TX 78716
Firm Phone (512)426-6958

Areas of Certification
11.1.1 Roadway Construction Management And Inspection
11.2.1 Bridge Construction Management And Inspection
11.5.1 Construction Scheduling Project Manager
11.6.1 Construction Schedule Support-General
11.8.1 Construct Schedule Support-Sched Bridge & Interchange Proj



Renewal Status MARCH 29, 2022 ( ACTIVE )
Firm Name DKS ASSOCIATES
Mailing Address 305 CAMP CRAFT ROAD, SUITE 525
WEST LAKE HILLS, TX 78746
Firm Phone (512)993-9059

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
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
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
11.1.1 Roadway Construction Management And Inspection



Renewal Status JANUARY 22, 2022 ( ACTIVE )
Firm Name DONALD L. TOWLES, P.E.
Mailing Address 1903 TOSCA CV
CEDAR PARK, TX 78613
Firm Phone (512)748-2342

Areas of Certification
6.1.1 Routine Bridge Inspection Team Leader



Renewal Status JANUARY 15, 2022 ( ACTIVE )
Firm Name DOUCET & ASSOCIATES, INC.
Mailing Address 7401 B WEST HIGHWAY 71, SUITE 160
AUSTIN, TX 78735
Firm Phone (512)583-2600

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
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
2.6.2 Impact Evaluation Assessments (Retired Category)
2.6.4 Biological Evaluations/Assessments (Retired Category)
3.2.1 Route Studies & Schematic Design
4.2.1 Roadway Design
4.5.1 Constructability Review
7.4.1 Traffic Control Systems Analysis, Design And Implementation
8.1.1 Signing, Pavement Marking, And Channelization
8.3.1 Signalization
8.6.1 Rail-Highway Design
9.1.1 Bicycle and Pedestrian Facility Devel. (Retired Category)
10.1.1 Hydrologic Studies
10.2.1 Roadway Hydraulic Design
10.3.1 Bridge Hydraulic Design
10.4.1 Storm Water Pump Station-Hydraulic Design
10.7.1 Riverine Hydraulic Design
10.8.1 FEMA Regulations and Permits
11.1.1 Roadway Construction Management And Inspection
11.3.1 Construction Superintendent
12.1.4 Asphaltic Concrete Placement
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 LiDAR
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



Renewal Status JANUARY 7, 2022 ( ACTIVE )
Firm Name DOUGHERTY ENGINEERING GROUP, PLLC
Mailing Address 11550 W INTERSTATE 10, SUITE 175
SAN ANTONIO, TX 78230
Firm Phone (210)291-8453

Areas of Certification
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)
11.1.1 Roadway Construction Management And Inspection



Renewal Status FEBRUARY 16, 2022 ( ACTIVE )
Firm Name DUNAWAY ASSOCIATES, L.P.
Mailing Address 550 BAILEY AVENUE, SUITE 400
FORT WORTH, TX 76107
Firm Phone (817)335-1121

Areas of Certification
1.4.1 Land Planning/Engineering
1.5.1 Feasibility Studies
1.6.1 Major Investment Studies
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
4.4.1 Freeway Interchanges
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
9.1.1 Bicycle and Pedestrian Facility Devel. (Retired Category)
10.1.1 Hydrologic Studies
10.2.1 Roadway Hydraulic Design
10.3.1 Bridge Hydraulic Design
10.5.1 Bridge Scour Evaluations And Analysis
15.1.1 Right of Way Surveys
15.2.1 Design Survey
15.2.2 Construction Survey
15.3.5 Horizontal and Vertical Control



Renewal Status MARCH 30, 2022 ( ACTIVE )
Firm Name EA ENGINEERING, SCIENCE AND TECHNOLOGY, INC., PBC
Mailing Address 405 SOUTH HWY 121 BYPASS, BLDG. C-100
LEWISVILLE, TX 75067
Firm Phone (972)315-3922

Areas of Certification
1.8.1 Public Involvement
2.2.1 Air Quality Analysis
2.3.1 Wetland Delineation
2.4.1 Nationwide Permit
2.4.2 Clean Water Act Sec. 404 Permits
2.4.3 U.S. Coast G. & U.S. Army Corps of Engr. Permits
2.6.2 Impact Evaluation Assessments (Retired Category)
2.13.1 Hazardous Materials Initial Site Assessment
2.15.1 Historical Research Of Extant Bldgs, Struct, Landsc., & Obj.
2.15.2 Historical Surveys & Doc. of Bldgs, Struct, Landsc., & Obj.
10.4.2 Pump Stations-Electrical
17.4.1 Electrical Engineering



Renewal Status JANUARY 20, 2022 ( ACTIVE )
Firm Name EAST TEXAS TESTING LABORATORY, INC.
Mailing Address 1717 EAST ERWIN
TYLER, TX 75702
Firm Phone (903)595-4421

Areas of Certification
2.13.1 Hazardous Materials Initial Site Assessment
11.4.1 Environmental Inspections
12.1.1 Asphaltic Concrete Production
12.1.2 Portland Cement Concrete
12.1.3 Materials Engineering
12.1.4 Asphaltic Concrete Placement
12.1.5 Portland Cement Concrete Placement
12.1.6 Embankment/Subgrade/Backfill/Base Production
12.1.7 Embankment/Subgrade/Backfill/Base Placement
12.2.1 Concrete Plant Inspection and Testing
14.1.1 Soil Exploration
14.2.1 Geotechnical Testing
14.3.1 Transportation Foundation Studies
14.4.1 Building Foundation Studies
14.5.1 Evaluation & Design of Geotechnical Related Structures



Renewal Status MARCH 15, 2022 ( ACTIVE )
Firm Name EBP US, INC.
Mailing Address 155 FEDERAL STREET SUITE 600
BOSTON, MA 02110-1786
Firm Phone (617)338-6775

Areas of Certification
1.1.1 Policy Planning
1.2.1 Systems Planning
1.3.1 Subarea/Corridor Planning



Renewal Status MARCH 24, 2022 ( ACTIVE )
Firm Name ECKERMANN ENGINEERING, INC.
Mailing Address PO BOX 388
LAMPASAS, TX 76550
Firm Phone (512)556-8160

Areas of Certification
4.2.1 Roadway 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)
10.1.1 Hydrologic Studies
10.2.1 Roadway Hydraulic Design
17.5.1 Civil Engineering



Renewal Status JANUARY 19, 2022 ( ACTIVE )
Firm Name ECM CONSULTANTS OF TEXAS, LLC
Mailing Address 222 PENNBRIGHT DR., SUITE 110
HOUSTON, TX 77090
Firm Phone (504)885-4080

Areas of Certification
4.2.1 Roadway Design
5.2.1 Bridge Design
6.1.1 Routine Bridge Inspection Team Leader
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
10.4.3 Pump Stations-Structures
11.1.1 Roadway Construction Management And Inspection
11.2.1 Bridge Construction Management And Inspection



Renewal Status JANUARY 7, 2022 ( ACTIVE )
Firm Name ECM INTERNATIONAL, INC.
Mailing Address 404 EXECUTIVE CENTER BLVD.
EL PASO, TX 79902
Firm Phone (915)351-1900

Areas of Certification
1.8.1 Public Involvement
4.2.1 Roadway Design
4.5.1 Constructability Review
8.1.1 Signing, Pavement Marking, And Channelization
9.1.1 Bicycle and Pedestrian Facility Devel. (Retired Category)
9.3.1 Pedestrian Facility Design
9.3.2 Accessibility 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
11.8.1 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 Concrete Plant Inspection and Testing
12.2.5 Hot Mix Asphalt (HMA) Plant Inspection and Testing
14.1.1 Soil Exploration
14.2.1 Geotechnical Testing
17.5.1 Civil Engineering
18.2.1 Subsurface Utility Engineering (Utility Eng. Investigation)
18.3.1 Utility Adjustment Coordination
18.5.1 Utility Construction Management and Verification
18.6.1 Utility Management & Coordination Oversight
22.1.1 Owner Verification Testing and Inspection-Project Manager
22.3.1 Owner Verification - Laboratory Manager
22.4.1 QA/QC Process Verification for OVTI
23.6.1 Document Control Using Electronic Content Mgmt Syst (ECMS)
23.13.1 Project Office Operations



Renewal Status MARCH 14, 2022 ( ACTIVE )
Firm Name ECONOLITE SYSTEMS, INC.
Mailing Address 1250
N. TUSTIN AVE., CA 92807
Firm Phone (714)630-3700

Areas of Certification
7.1.1 Traffic Engineering Studies
7.3.1 Traffic Signal Timing



Renewal Status JULY 28, 2022 ( ACTIVE )
Firm Name ECONSTRUCT USA LLC
Mailing Address NO MAILING ADDRESS FOUND.
Firm Phone

Areas of Certification
5.2.1 Bridge Design



Renewal Status APRIL 20, 2022 ( ACTIVE )
Firm Name ECOSYSTEM PLANNING AND RESTORATION, LLC
Mailing Address 17575 NORTH ELDRIDGE PARKWAY, BLDG C
TOMBALL, TX 77377
Firm Phone (832)257-4452

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
2.3.2 Conditional/Functional Assessment
2.4.1 Nationwide Permit
2.4.2 Clean Water Act Sec. 404 Permits
2.4.3 U.S. Coast G. & U.S. Army Corps of Engr. Permits
2.6.2 Impact Evaluation Assessments (Retired Category)
2.12.1 Socio-Economic And Environmental Justice Analyses
2.13.1 Hazardous Materials Initial Site Assessment
2.14.1 Environmental Document Preparation
10.1.1 Hydrologic Studies



Renewal Status MAY 18, 2022 ( ACTIVE )
Firm Name ECS SOUTHWEST, LLP
Mailing Address 14050 SUMMIT DR #101
AUSTIN, TX 78728
Firm Phone (512)837-8005

Areas of Certification
11.1.1 Roadway Construction Management And Inspection
11.3.1 Construction Superintendent
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
14.1.1 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 7, 2022 ( ACTIVE )
Firm Name EDGE ENGINEEERING, PLLC
Mailing Address 3410 FAR WEST BLVD, SUITE 315
AUSTIN, TX 78731
Firm Phone (512)766-0463

Areas of Certification
2.4.1 Nationwide Permit
2.4.2 Clean Water Act Sec. 404 Permits
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
10.8.1 FEMA Regulations and Permits
17.5.1 Civil Engineering



Renewal Status FEBRUARY 16, 2022 ( ACTIVE )
Firm Name EDGE ENGINEERING AND SCIENCE, LLC
Mailing Address 16360 PARK TEN PLACE, SUITE 300
HOUSTON, TX 77084
Firm Phone (281)578-6103

Areas of Certification
2.3.1 Wetland Delineation
2.6.2 Impact Evaluation Assessments (Retired Category)
2.6.4 Biological Evaluations/Assessments (Retired Category)
2.10.1 Archaeological Surveys, Doc., Excavation, Testing Rpts
2.13.1 Hazardous Materials Initial Site Assessment



Renewal Status FEBRUARY 16, 2022 ( ACTIVE )
Firm Name EDMINSTER, HINSHAW, RUSS AND ASSOCIATES, INC.
Mailing Address 10011 MEADOWGLEN LN.
HOUSTON, TX 77042
Firm Phone (713)784-4500

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



Renewal Status JULY 12, 2022 ( ACTIVE )
Firm Name EDUARDO CASTILLO ENGINEERING & CONSTRUCTION
Mailing Address 322 YALE AVE
SAN ANTONIO, TX 78201
Firm Phone (210)913-2469

Areas of Certification
3.2.1 Route Studies & Schematic Design
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)
10.1.1 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



Renewal Status MAY 16, 2022 ( ACTIVE )
Firm Name EIC SURVEYING CO
Mailing Address 12345 JONES RD. STE 270
HOUSTON, TX 77070
Firm Phone (281)955-2772

Areas of Certification
15.1.1 Right of Way Surveys
15.2.1 Design Survey
15.2.2 Construction Survey



Renewal Status MARCH 4, 2022 ( ACTIVE )
Firm Name EISMAN & RUSSO, INC.
Mailing Address 6455 POWERS AVENUE
JACKSONVILLE, FL 32217
Firm Phone (904)733-1478

Areas of Certification
11.1.1 Roadway Construction Management And Inspection
11.2.1 Bridge Construction Management And Inspection



Renewal Status JANUARY 11, 2022 ( ACTIVE )
Firm Name EJES INCORPORATED
Mailing Address 12801 N. CENTRAL EXPRESSWAY, SUITE 700
DALLAS, TX 75243
Firm Phone (214)343-1210

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
2.1.1 Traffic Noise Analysis
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
7.1.1 Traffic Engineering Studies
7.3.1 Traffic Signal Timing
8.1.1 Signing, Pavement Marking, And Channelization
8.3.1 Signalization
9.1.1 Bicycle and Pedestrian Facility Devel. (Retired Category)
10.1.1 Hydrologic Studies
10.2.1 Roadway Hydraulic Design
10.3.1 Bridge Hydraulic Design
10.5.1 Bridge Scour Evaluations And Analysis
12.2.1 Concrete Plant Inspection and Testing



Renewal Status AUGUST 5, 2022 ( ACTIVE )
Firm Name ELLIOTT BAY DESIGN GROUP LLC
Mailing Address 5305 SHILSHOLE AVE NW
SUITE 100, WA 98107-4021
Firm Phone (206)204-1302

Areas of Certification
20.1.1 Ferry Vessel Analysis, Design, and Inspection
20.4.1 Electrical Eng for Bldgs, Facil, and Infrastr- Marine Fct.



Renewal Status FEBRUARY 17, 2022 ( ACTIVE )
Firm Name ENCON INTERNATIONAL, INC.
Mailing Address 7307 REMCON CIRCLE, SUITE 103
EL PASO, TX 79912
Firm Phone (915)833-3740

Areas of Certification
1.4.1 Land Planning/Engineering
2.13.1 Hazardous Materials Initial Site Assessment
9.1.1 Bicycle and Pedestrian Facility Devel. (Retired Category)
11.1.1 Roadway Construction Management And Inspection
12.1.2 Portland Cement Concrete
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 8, 2022 ( ACTIVE )
Firm Name ENCOTECH ENGINEERING CONSULTANTS, INC.
Mailing Address 8500 BLUFFSTONE COVE, SUITE B-103
AUSTIN, TX 78759
Firm Phone (512)338-1101

Areas of Certification
5.2.1 Bridge Design
8.2.1 Illumination
9.1.1 Bicycle and Pedestrian Facility Devel. (Retired Category)
10.4.2 Pump Stations-Electrical
10.4.3 Pump Stations-Structures
14.3.1 Transportation Foundation Studies
14.4.1 Building Foundation Studies
17.1.1 Structural Engineering
17.2.1 Mechanical Engineering
17.3.1 Plumbing Engineering
17.4.1 Electrical Engineering



Renewal Status JANUARY 20, 2022 ( ACTIVE )
Firm Name ENGINEERED UTILITY SOLUTIONS, INC.
Mailing Address 8603 CROSSRIVER LN
HOUSTON, TX 77095-5164
Firm Phone (832)674-4667

Areas of Certification
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 MARCH 14, 2022 ( ACTIVE )
Firm Name ENGINEERING & CONSTRUCTION INTEGRATION SERVICES (ECIS), INC.
Mailing Address 1303 W. WALNUT HILL LANE SUITE 285
IRVING, TX 75038
Firm Phone (972)655-6180

Areas of Certification
1.5.1 Feasibility Studies
4.5.1 Constructability Review
5.2.1 Bridge Design
5.3.1 Multi-Level Interchange Design
11.2.1 Bridge Construction Management And Inspection



Renewal Status MARCH 18, 2022 ( ACTIVE )
Firm Name ENGINEERING OPERATIONS LLC
Mailing Address 5575 S. SYCAMORE STREET, STE #235
LITTLETON, CO 80210
Firm Phone (303)835-1029

Areas of Certification
6.1.1 Routine Bridge Inspection Team Leader
6.1.2 Routine Bridge Inspection Project Manager
6.3.1 Tunnel Inspection Team Leader
6.4.1 Underwater Bridge Inspection Team Leader



Renewal Status MAY 27, 2022 ( ACTIVE )
Firm Name ENGLISH+ASSOCIATES ARCHITECTS, INC.
Mailing Address 1919 DECATUR
HOUSTON, TX 77007
Firm Phone (713)850-0400

Areas of Certification
16.1.1 Architecture



Renewal Status FEBRUARY 14, 2022 ( ACTIVE )
Firm Name ENTECH CIVIL ENGINEERS, INC.
Mailing Address 15021 KATY FREEWAY, SUITE 500
HOUSTON, TX 77094
Firm Phone (281)945-0069

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
2.4.2 Clean Water Act Sec. 404 Permits
2.5.1 Geological Assessment for Edwards Aquifer Recharge Zone
2.14.1 Environmental Document Preparation
3.2.1 Route Studies & Schematic Design
4.2.1 Roadway Design
4.4.1 Freeway Interchanges
4.5.1 Constructability Review
4.6.1 3-D Visualization and Animation Services
5.2.1 Bridge Design
5.3.1 Multi-Level Interchange Design
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
8.6.1 Rail-Highway Design
9.1.1 Bicycle and Pedestrian Facility Devel. (Retired Category)
10.1.1 Hydrologic Studies
10.2.1 Roadway Hydraulic Design
10.3.1 Bridge Hydraulic Design
10.4.1 Storm Water Pump Station-Hydraulic Design
10.5.1 Bridge Scour Evaluations And Analysis
11.1.1 Roadway Construction Management And Inspection
11.3.1 Construction Superintendent
11.6.1 Construction Schedule Support-General
11.7.1 Construct. Schedule Support-Sched of Roadway Design
18.2.1 Subsurface Utility Engineering (Utility Eng. Investigation)
18.3.1 Utility Adjustment Coordination
18.4.1 Utility Engineering
18.6.1 Utility Management & Coordination Oversight



Renewal Status JANUARY 7, 2022 ( ACTIVE )
Firm Name ENTHEOS ENGINEERING PLLC
Mailing Address 302
PINE VIEW LOOP, TX 78602
Firm Phone (512)629-7142

Areas of Certification
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
8.4.1 ITS Control Systems Analysis, Design & Implementation



Renewal Status JANUARY 18, 2022 ( ACTIVE )
Firm Name ENTITLEMENT AND ENGINEERING SOLUTIONS, INC.
Mailing Address 501 S. CHERRY ST, SUITE 300
GLENDALE, CO 80246
Firm Phone (303)210-0222

Areas of Certification
8.1.1 Signing, Pavement Marking, And Channelization
17.5.1 Civil Engineering
18.3.1 Utility Adjustment Coordination
18.4.1 Utility Engineering



Renewal Status MAY 2, 2022 ( ACTIVE )
Firm Name ENVIRONMENTAL LOGISTICS COMPANY, LLC
Mailing Address P.O. BOX 3238
MCKINNEY, TX 75070
Firm Phone (469)742-9981

Areas of Certification
2.13.1 Hazardous Materials Initial Site Assessment



Renewal Status MARCH 3, 2022 ( ACTIVE )
Firm Name EPB ASSOCIATES, INC.
Mailing Address 14114 DALLAS PARKWAY, SUITE 660
DALLAS, TX 75254
Firm Phone (972)239-5495

Areas of Certification
5.2.1 Bridge Design
10.4.3 Pump Stations-Structures
17.1.1 Structural Engineering



Renewal Status JANUARY 13, 2022 ( ACTIVE )
Firm Name EPIC TRANSPORTATION GROUP, LP
Mailing Address 800 WILCREST DRIVE
HOUSTON, TX 77042
Firm Phone (713)609-9416

Areas of Certification
1.2.1 Systems Planning
1.3.1 Subarea/Corridor Planning
1.4.1 Land Planning/Engineering
1.5.1 Feasibility Studies
3.2.1 Route Studies & Schematic Design
4.2.1 Roadway Design
7.1.1 Traffic Engineering Studies
7.3.1 Traffic Signal Timing
7.4.1 Traffic Control Systems Analysis, Design And Implementation
7.5.1 Intelligent Transportation Systems
8.1.1 Signing, Pavement Marking, And Channelization
8.2.1 Illumination
8.3.1 Signalization
8.4.1 ITS Control Systems Analysis, Design & Implementation
8.6.1 Rail-Highway Design
9.1.1 Bicycle and Pedestrian Facility Devel. (Retired Category)
10.2.1 Roadway Hydraulic Design



Renewal Status JUNE 3, 2022 ( ACTIVE )
Firm Name ERGONOMIC TRANSPORTATION SOLUTIONS, INC.
Mailing Address 5300 HOLLISTER SUITE 220
HOUSTON, TX 77040
Firm Phone (713)956-9601

Areas of Certification
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
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 Devel. (Retired Category)
11.1.1 Roadway Construction Management And Inspection



Renewal Status FEBRUARY 2, 2022 ( ACTIVE )
Firm Name ERI CONSULTING ENGINEERS, INC.
Mailing Address P.O. BOX 2024
TYLER, TX 75710
Firm Phone (903)534-5001

Areas of Certification
2.13.1 Hazardous Materials Initial Site Assessment
10.1.1 Hydrologic Studies
10.2.1 Roadway Hydraulic Design
17.6.1 Hazardous Building Materials Assessment (Asbestos)
17.6.2 Hazardous Building Materials Assessment (Lead)



Renewal Status JUNE 1, 2022 ( ACTIVE )
Firm Name ESCALANTE CONSTRUCTION MANAGEMENT AND ENGINEERING, INC
Mailing Address PO BOX 40101
GRAND JUNCTION, CO 81504
Firm Phone (970)852-2328

Areas of Certification
4.2.1 Roadway Design
11.1.1 Roadway Construction Management And Inspection
11.2.1 Bridge Construction Management And Inspection
12.1.3 Materials Engineering
12.2.1 Concrete Plant Inspection and Testing
12.2.5 Hot Mix Asphalt (HMA) Plant Inspection and Testing




Updated September 27, 2022

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