Active TxDOT Precertified Firms

Search:

Home | Contact Us | Tools & Plug-Ins

Active Precertified Firms - Sorted by Firm Name

Consultant Precertification - Consultant Services - Consultant Precertification
TxDOT Working Categories - Complete list of working categories with descriptions
DBE Directory - Find the DBE status of a firm
HUB Directory - Find the HUB status of a firm
Annual Renewal for Precertified Firms - Firms precertified in one or more categories for engineering, surveying, or architecture services must complete the annual renewal process between January 1 and March 31 each year to maintain an 'Active' status for the firm.

Active Precertified Firm Page Links ( Updated June 17, 2019 at 9:00:04 P.M. )

a&p--baez	bain--char	chri--diki	disp--g.e.	gai--hbk	hdr--jasm
jaym--lega	lico--mitc	mla--proc	prof--scha	scha--tam	targ--vent
vers--360

Renewal Status	FEBRUARY 28, 2019 ( 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	MAY 8, 2019 ( ACTIVE )
Firm Name	SCHEIBE CONSULTING LLC
Mailing Address	11612 BEE CAVE RD., BLDG. 1, STE. 240
	AUSTIN, TX 78738
Firm Phone	(512)263-0418

Areas of Certification

2.4.1	Nationwide Permit
2.5.1	Geological Assessment for Edwards Aquifer Recharge Zone
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
17.5.1	Civil Engineering

Renewal Status	MARCH 4, 2019 ( 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

Renewal Status	FEBRUARY 13, 2019 ( 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
2.10.1	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
14.3.1	Transportation Foundation Studies
14.4.1	Building Foundation Studies

Renewal Status	APRIL 17, 2019 ( ACTIVE )
Firm Name	SCIENTECH ENGINEERS, INC
Mailing Address	701 SHEPHERD, SUITE 200
	HOUSTON, TX 77007
Firm Phone	(713)977-6090

Areas of Certification

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

Renewal Status	JANUARY 15, 2019 ( 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 7, 2019 ( 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	MARCH 25, 2019 ( ACTIVE )
Firm Name	SECORD & LEBOW ARCHITECTS, LLP
Mailing Address	2004 QUAIL CREEK DRIVE, SUITE 200
	WICHITA FALLS, TX 76308
Firm Phone	(940)767-7478

Areas of Certification

16.1.1	Architecture
16.2.1	Building and Facilities Architecture

Renewal Status	JANUARY 31, 2019 ( 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
7.4.1	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	JANUARY 12, 2019 ( ACTIVE )
Firm Name	SEK ENGINEERING, CORP.
Mailing Address	701 SHEPHERD DR., SUITE 200A
	HOUSTON, TX 77007
Firm Phone	(281)271-1720

Areas of Certification

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
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
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 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
19.1.1	Value Engineering

Renewal Status	MAY 10, 2019 ( 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

2.3.1	Wetland Delineation
2.4.1	Nationwide Permit
2.13.1	Hazardous Materials Initial Site Assessment

Renewal Status	JANUARY 2, 2019 ( ACTIVE )
Firm Name	SEVENTH GENERATION DESIGN, INC.
Mailing Address	118 BROADWAY SUITE 519
	SAN ANTONIO, TX 78205
Firm Phone	(210)241-7490

Areas of Certification

16.1.1

Architecture

Renewal Status	APRIL 11, 2019 ( ACTIVE )
Firm Name	SE3 LLC
Mailing Address	15110 N. DALLAS PARKWAY, SUITE 370
	DALLAS, TX 75248
Firm Phone	(214)663-0069

Areas of Certification

1.3.1	Subarea/Corridor Planning
1.4.1	Land Planning/Engineering
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
10.2.1	Roadway Hydraulic Design
11.1.1	Roadway Construction Management And Inspection
11.2.1	Bridge Construction Management And Inspection

Renewal Status	FEBRUARY 1, 2019 ( 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	APRIL 29, 2019 ( 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, 2019 ( 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
15.5.1	State Land Surveying

Renewal Status	JANUARY 31, 2019 ( ACTIVE )
Firm Name	SIEGFRIED ENGINEERING & CONSTRUCTION, LLC
Mailing Address	10238 WILDWOOD PARK LN., #100
	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
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
10.4.3	Pump Stations-Structures
11.1.1	Roadway Construction Management And Inspection
11.2.1	Bridge Construction Management And Inspection

Renewal Status	MARCH 29, 2019 ( ACTIVE )
Firm Name	SIGMA ENGINEERS, INC.
Mailing Address	4099 CALDER AVENUE
	BEAUMONT, TX 77706
Firm Phone	(409)898-1001

Areas of Certification

1.5.1	Feasibility Studies
16.1.1	Architecture

Renewal Status	JANUARY 8, 2019 ( ACTIVE )
Firm Name	SIGMA ENVIRONMENTAL SOLUTIONS, INC
Mailing Address	5801 MARVIN D LOVE FREEWAY_STE 103
	DALLAS, TX 75237
Firm Phone	(214)850-0015

Areas of Certification

2.13.1

Hazardous Materials Initial Site Assessment

Renewal Status	APRIL 4, 2019 ( 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

1.1.1	Policy Planning
1.2.1	Systems Planning
1.3.1	Subarea/Corridor Planning
1.4.1	Land Planning/Engineering
1.5.1	Feasibility Studies
2.12.1	Socio-Economic And Environmental Justice Analyses
2.14.1	Environmental Document Preparation
3.2.1	Route Studies & Schematic Design
4.2.1	Roadway Design
5.2.1	Bridge Design
8.1.1	Signing, Pavement Marking, And Channelization

Renewal Status	FEBRUARY 19, 2019 ( ACTIVE )
Firm Name	SKA CONSULTING, L.P.
Mailing Address	1888 STEBBINS DRIVE, SUITE 100
	HOUSTON, TX 77043-2841
Firm Phone	(713)266-6056

Areas of Certification

2.13.1

Hazardous Materials Initial Site Assessment

Renewal Status	APRIL 13, 2019 ( ACTIVE )
Firm Name	SKYLINE ENGINEERING & CONSTRUCTION INC
Mailing Address	903 E PRIMROSE MEADOWS CIR
	PEARLAND, TX 77584
Firm Phone	(713)201-8926

Areas of Certification

4.2.1	Roadway Design
4.5.1	Constructability Review
10.5.1	Bridge Scour Evaluations And Analysis
11.1.1	Roadway Construction Management And Inspection
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
17.5.1	Civil Engineering

Renewal Status	FEBRUARY 28, 2019 ( 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 28, 2019 ( 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 13, 2019 ( 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	JANUARY 7, 2019 ( 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	FEBRUARY 26, 2019 ( ACTIVE )
Firm Name	SOLAR SURVEYING, LLC
Mailing Address	5421 BRYSTONE DR
	HOUSTON, TX 77041
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 21, 2019 ( 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
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	MAY 17, 2019 ( 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 4, 2019 ( 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	JANUARY 7, 2019 ( 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 13, 2019 ( ACTIVE )
Firm Name	SP ENGINEERING, INC.
Mailing Address	4418 BLUEBONNET DRIVE
	STAFFORD, TX 77477
Firm Phone	(832)867-2522

Areas of Certification

1.1.1	Policy Planning
1.2.1	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
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
8.2.1	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

Renewal Status	MARCH 15, 2019 ( 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 3, 2019 ( 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	MAY 2, 2019 ( ACTIVE )
Firm Name	SPOONER AND ASSOCIATES, INC.
Mailing Address	309 BYERS STREET, SUITE 100
	EULESS, TX 76039
Firm Phone	(817)685-8448

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 15, 2019 ( ACTIVE )
Firm Name	STANGER SURVEYING TYLER, LLC
Mailing Address	1595 E. GRANDE BLVD.
	TYLER, TX 75703
Firm Phone	(903)534-0174

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 7, 2019 ( ACTIVE )
Firm Name	STANLEY MORRIS ENGINEERING
Mailing Address	907 EAST BROADWAY
	SWEETWATER, TX 79556
Firm Phone	(325)235-8616

Areas of Certification

1.4.1	Land Planning/Engineering
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
10.4.1	Storm Water Pump Station-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

Renewal Status	FEBRUARY 8, 2019 ( ACTIVE )
Firm Name	STANLEY SPURLING & HAMILTON, INC.
Mailing Address	3301 EDLOE STREET, SUITE 200
	HOUSTON, TX 77027
Firm Phone	(713)776-9433

Areas of Certification

1.4.1	Land Planning/Engineering
1.5.1	Feasibility Studies
3.2.1	Route Studies & Schematic Design
4.2.1	Roadway Design
4.4.1	Freeway Interchanges
5.2.1	Bridge Design
5.3.1	Multi-Level Interchange Design
6.1.1	Routine Bridge Inspection Team Leader

Renewal Status	JANUARY 11, 2019 ( ACTIVE )
Firm Name	STANTEC CONSULTING SERVICES INC.
Mailing Address	2435 N. CENTRAL EXPRESSWAY, SUITE 750
	RICHARDSON, TX 75080-2793
Firm Phone	(239)649-4040

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
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
2.7.1	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
6.2.1	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
14.3.1	Transportation Foundation Studies
14.4.1	Building Foundation Studies
15.1.1	Right of Way Surveys
15.2.1	Design Survey
15.2.2	Construction Survey
15.3.3	Terrestrial LIDAR
15.3.5	Horizontal and Vertical Control
15.5.1	State Land Surveying
18.2.1	Subsurface Utility Engineering
18.3.1	Utility Adjustment Coordination
18.4.1	Utility Engineering
18.6.1	Utility Management & Coordination Oversight

Renewal Status	MAY 22, 2019 ( 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 7, 2019 ( ACTIVE )
Firm Name	STATISTICAL RESEARCH, INC.
Mailing Address	6099 E. SPEEDWAY BLVD.
	TUCSON, AZ 85712
Firm Phone	(505)323-8300

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	FEBRUARY 21, 2019 ( 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
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	JANUARY 15, 2019 ( ACTIVE )
Firm Name	STL ENGINEERS & LABORATORIES
Mailing Address	1341 W. MOCKINGBIRD, SUITE 1200W
	DALLAS, TX 75247
Firm Phone	(214)630-3800

Areas of Certification

8.1.1	Signing, Pavement Marking, And Channelization
11.1.1	Roadway Construction Management And Inspection
11.2.1	Bridge Construction Management And Inspection
12.1.2	Portland Cement Concrete
12.2.1	Plant Inspection And Testing
14.1.1	Soil Exploration
14.2.1	Geotechnical Testing
14.3.1	Transportation Foundation Studies

Renewal Status	MAY 16, 2019 ( 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 8, 2019 ( 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 2, 2019 ( ACTIVE )
Firm Name	STREAM WATER GROUP, INC.
Mailing Address	9401 LBJ FREEWAY, SUITE 104
	DALLAS, TX 75243
Firm Phone	(972)898-5685

Areas of Certification

2.4.1	Nationwide Permit
2.4.2	Clean Water Act Sec. 404 Permits
4.2.1	Roadway Design
4.5.1	Constructability Review
8.1.1	Signing, Pavement Marking, And Channelization
17.5.1	Civil Engineering
18.2.1	Subsurface Utility Engineering
18.3.1	Utility Adjustment Coordination
18.4.1	Utility Engineering

Renewal Status	JUNE 11, 2019 ( ACTIVE )
Firm Name	STRIDDE, CALLINS AND ASSOCIATES, INC.
Mailing Address	NO MAILING ADDRESS FOUND.

Firm Phone

Areas of Certification

17.2.1	Mechanical Engineering
17.4.1	Electrical Engineering

Renewal Status	JANUARY 7, 2019 ( 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

Renewal Status	MARCH 7, 2019 ( 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 8, 2019 ( 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
14.1.1	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	FEBRUARY 11, 2019 ( ACTIVE )
Firm Name	SUMMIT SURVEYING, INC.
Mailing Address	2040 DEERBROOK DRIVE
	TYLER, TX 75703
Firm Phone	(903)561-9544

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 7, 2019 ( ACTIVE )
Firm Name	SURGIS OF TEXAS CORPORATION
Mailing Address	12274 BANDERA RD. STE 123
	HELOTES, TX 78023
Firm Phone	(210)367-5843

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 15, 2019 ( ACTIVE )
Firm Name	SURVEYING AND MAPPING, LLC
Mailing Address	4801 SOUTHWEST PARKWAY, BUILDING TWO, SUITE 100
	AUSTIN, TX 78735
Firm Phone	(512)447-0575

Areas of Certification

4.2.1	Roadway Design
8.1.1	Signing, Pavement Marking, And Channelization
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 and Airborne LiDAR
15.3.5	Horizontal and Vertical Control
15.5.1	State Land Surveying
18.2.1	Subsurface Utility Engineering
18.3.1	Utility Adjustment Coordination
18.4.1	Utility Engineering
18.6.1	Utility Management & Coordination Oversight

Renewal Status	APRIL 29, 2019 ( ACTIVE )
Firm Name	SURVEYING SOLUTIONS, INC.
Mailing Address	4471 M-61
	STANDISH, MI 48658
Firm Phone	(989)846-6601

Areas of Certification

15.1.1	Right of Way Surveys
15.2.1	Design Survey
15.2.2	Construction Survey

Renewal Status	JANUARY 9, 2019 ( ACTIVE )
Firm Name	SURVTEX, LLC
Mailing Address	600 W. WHITESTONE BLVD.
	CEDAR PARK, TX 78613
Firm Phone	(512)249-8875

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	MAY 14, 2019 ( ACTIVE )
Firm Name	SWASHBUCKLING L.L.C.
Mailing Address	1784 HIDDEN BROOK DR.
	GRAND PRAIRIE, TX 75050
Firm Phone	(972)955-5635

Areas of Certification

14.1.1	Soil Exploration
14.2.1	Geotechnical Testing
14.3.1	Transportation Foundation Studies
14.5.1	Evaluation & Design of Geotechnical Related Structures

Renewal Status	JANUARY 2, 2019 ( ACTIVE )
Firm Name	SWCA, INCORPORATED
Mailing Address	20 E THOMAS RD, STE 1700
	PHOENIX, AZ 85012
Firm Phone	(602)274-3831

Areas of Certification

1.4.1	Land Planning/Engineering
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
2.10.1	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	MARCH 20, 2019 ( ACTIVE )
Firm Name	T.Y. LIN INTERNATIONAL
Mailing Address	345 CALIFORNIA STREET, SUITE 2300
	SAN FRANCISCO, CA 94104
Firm Phone	(415)291-3731

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
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
6.2.1	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
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
10.5.1	Bridge Scour Evaluations And Analysis
11.1.1	Roadway Construction Management And Inspection
11.2.1	Bridge Construction Management And Inspection

Renewal Status	APRIL 10, 2019 ( ACTIVE )
Firm Name	T-CORE ENGINEERS, LLC
Mailing Address	2907 REDSKY PASS
	SAN ANTONIO, TX 78259
Firm Phone	(210)900-2448

Areas of Certification

2.4.1	Nationwide Permit
4.2.1	Roadway 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

Renewal Status	JANUARY 16, 2019 ( ACTIVE )
Firm Name	TAM CONSULTING SERVICES LLC
Mailing Address	4520 JENKINS DRIVE
	PLANO, TX 75024
Firm Phone	(469)562-2178

Areas of Certification

2.1.1	Traffic Noise Analysis
2.2.1	Air Quality Analysis
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
8.1.1	Signing, Pavement Marking, And Channelization
8.3.1	Signalization
11.1.1	Roadway Construction Management And Inspection
11.2.1	Bridge Construction Management And Inspection
11.6.1	Construction Schedule Support-General
12.1.3	Materials Engineering
12.2.1	Plant Inspection And Testing

Updated June 17, 2019


© Copyright 2019, TxDOT All Rights Reserved.	Disclaimer \| Accessibility Policy \| Privacy and Security Policy \| Open Records \| TxDOT Contacts