TxDOT Expressway
Search:
   Home   |    Contact Us   |    Tools & Plug-Ins  

Precertified Firms - Sorted by Firm Name

Precertified Firm Page Links ( Updated January 08, 2009 at 9:00:04 P.M. )
a &--alda alde--arth arup--behr bell--byrn c &--chan chap--cook
cook--delc delg--eart eart--ergo eri--gae, gagl--grou grou--hist
hist--j.m. jack--kei kell--lark lawr--mact made--metr metr--nanc
nate--para park--pres prew--rekh reli--roge roja--sher shin--srls
stan--t.y. tait--thom thom--van vann--whit wilb--4sit

Firm Name STANGER CORPORATION DBA STANGER SURVEYING COMPANY
Mailing Address P.O. BOX 131103
TYLER, TX 75713
Firm Phone (903)534-0174

Areas of Certification
15.1.1 SURVEY
15.1.2 PARCEL PLATS
15.1.3 LEGAL DESCRIPTIONS
15.1.4 RIGHT OF WAY MAPS
15.2.1 DESIGN AND CONSTRUCTION SURVEY
15.4.1 HORIZONTAL AND VERTICAL CONTROL FOR AERIAL MAPPING


Firm Name STANLEY ARCHITECTS & ARTISANS, INC.
Mailing Address PO BOX 3095
AUSTIN, TX 78764
Firm Phone (512)445-0444

Areas of Certification
16.1.1 ARCHITECTURE - BUILDINGS AND OTHER STRUCTURES.


Firm Name STANLEY ARCHITECTS/PLANNERS
Mailing Address 303 TEXAS AVE., SUITE 402
EL PASO, TX 79901
Firm Phone (915)532-7342

Areas of Certification
1.1.1 POLICY PLANNING
1.4.1 LAND PLANNING/ENGINEERING
2.8.1 SURVEYS, RES. & DOC. OF HISTORIC BUILD, STRUCT. AND OBJECTS
2.9.1 HISTORIC ARCHITECTURE
2.11.1 HISTORICAL AND ARCHIVAL RESEARCH
16.1.1 ARCHITECTURE - BUILDINGS AND OTHER STRUCTURES.


Firm Name STANLEY ENGINEERING COMPANY, INC.
Mailing Address 6335 GULFTON, SUITE # 210
HOUSTON, TX 77081
Firm Phone (713)776-9433

Areas of Certification
1.4.1 LAND PLANNING/ENGINEERING
1.5.1 FEASIBILITY STUDIES
3.1.1 ROUTE STUDIES & SCHEMATIC DESIGN - MINOR ROADWAYS
3.2.1 ROUTE STUDIES & SCHEMATIC DESIGN - MAJOR ROADWAYS
3.3.1 ROUTE STUDIES & SCHEMATIC DESIGN - COMPLEX HIGHWAYS
3.4.1 MINOR BRIDGE LAYOUTS
3.5.1 MAJOR BRIDGE LAYOUTS
3.6.1 MULTI-LEVEL INTERCHANGE AND EXOTIC BRIDGE LAYOUT
4.1.1 MINOR ROADWAY DESIGN
4.2.1 MAJOR ROADWAY DESIGN
4.3.1 COMPLEX HIGHWAY DESIGN
4.4.1 MAJOR FREEWAY INTERCHANGES AND DIRECT CONNECTORS
5.1.1 MINOR BRIDGE DESIGN
5.2.1 MAJOR BRIDGE DESIGN
5.3.1 MULTI-LEVEL INTERCHANGE DESIGN
6.1.1 ROUTINE BRIDGE INSPECTION


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
7.2.1 HIGHWAY-RAIL GRADE CROSSING STUDIES
8.1.1 SIGNING, PAVEMENT MARKING AND CHANNELIZATION
8.5.1 HIGHWAY-RAIL GRADE CROSSINGS
10.1.1 HYDROLOGIC STUDIES
10.2.1 BASIC HYDRAULIC DESIGN
10.4.1 PUMP STATION-HYDRAULICS
15.1.1 SURVEY
15.1.2 PARCEL PLATS
15.1.3 LEGAL DESCRIPTIONS
15.1.4 RIGHT OF WAY MAPS
15.2.1 DESIGN AND CONSTRUCTION SURVEY
15.4.1 HORIZONTAL AND VERTICAL CONTROL FOR AERIAL MAPPING


Firm Name STANTEC CONSULTING SERVICES INC.
Mailing Address 1700 PACIFIC AVENUE, SUITE 2340
DALLAS, TX 75201
Firm Phone (972)650-6166

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
2.1.1 TRAFFIC NOISE ANALYSIS
2.2.1 AIR QUALITY ANALYSIS
2.13.1 HAZARDOUS MATERIALS INITIAL SITE ASSESSMENT
3.1.1 ROUTE STUDIES & SCHEMATIC DESIGN - MINOR ROADWAYS
3.2.1 ROUTE STUDIES & SCHEMATIC DESIGN - MAJOR ROADWAYS
3.3.1 ROUTE STUDIES & SCHEMATIC DESIGN - COMPLEX HIGHWAYS
3.4.1 MINOR BRIDGE LAYOUTS
3.5.1 MAJOR BRIDGE LAYOUTS
3.6.1 MULTI-LEVEL INTERCHANGE AND EXOTIC BRIDGE LAYOUT
4.1.1 MINOR ROADWAY DESIGN
4.2.1 MAJOR ROADWAY DESIGN
4.3.1 COMPLEX HIGHWAY DESIGN
5.1.1 MINOR BRIDGE DESIGN
5.2.1 MAJOR BRIDGE DESIGN
7.2.1 HIGHWAY-RAIL GRADE CROSSING 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
8.5.1 HIGHWAY-RAIL GRADE CROSSINGS
9.1.1 BICYCLE AND PEDESTRIAN FACILITY DEVELOPMENT
10.1.1 HYDROLOGIC STUDIES
10.2.1 BASIC HYDRAULIC DESIGN


Firm Name STAR ENGINEERING GROUP
Mailing Address PO BOX 643
HELOTES, TX 78023-0643
Firm Phone (210)871-4133

Areas of Certification
3.4.1 MINOR BRIDGE LAYOUTS
3.5.1 MAJOR BRIDGE LAYOUTS
4.1.1 MINOR ROADWAY DESIGN
4.2.1 MAJOR ROADWAY DESIGN
5.1.1 MINOR BRIDGE DESIGN
5.2.1 MAJOR BRIDGE DESIGN
6.1.1 ROUTINE BRIDGE INSPECTION
6.2.1 COMPLEX BRIDGE INSPECTION
10.2.1 BASIC HYDRAULIC DESIGN
10.5.1 BRIDGE SCOUR EVALUATIONS AND ANALYSIS
14.3.1 TRANSPORTATION FOUNDATION STUDIES


Firm Name STEELE ENVIRONMENTAL SERVICES, LLC
Mailing Address 16516 EL CAMINO REAL #101
HOUSTON, TX 77062
Firm Phone (281)300-2174

Areas of Certification
2.13.1 HAZARDOUS MATERIALS INITIAL SITE ASSESSMENT


Firm Name STEGER & BIZZELL ENGINEERING, INC.
Mailing Address 1978 S. AUSTIN AVE
GEORGETOWN, TX 78626
Firm Phone (512)930-9412

Areas of Certification
1.4.1 LAND PLANNING/ENGINEERING
1.5.1 FEASIBILITY STUDIES
2.5.1 WATER POLLUTION ABATEMENT PLAN
3.2.1 ROUTE STUDIES & SCHEMATIC DESIGN - MAJOR ROADWAYS
3.5.1 MAJOR BRIDGE LAYOUTS
4.1.1 MINOR ROADWAY DESIGN
4.2.1 MAJOR ROADWAY DESIGN
5.2.1 MAJOR BRIDGE DESIGN
8.1.1 SIGNING, PAVEMENT MARKING AND CHANNELIZATION
9.1.1 BICYCLE AND PEDESTRIAN FACILITY DEVELOPMENT
10.1.1 HYDROLOGIC STUDIES
10.2.1 BASIC HYDRAULIC DESIGN
10.3.1 COMPLEX HYDRAULIC DESIGN
15.1.1 SURVEY
15.1.2 PARCEL PLATS
15.1.3 LEGAL DESCRIPTIONS
15.1.4 RIGHT OF WAY MAPS
15.2.1 DESIGN AND CONSTRUCTION SURVEY
15.4.1 HORIZONTAL AND VERTICAL CONTROL FOR AERIAL MAPPING


Firm Name STEPHEN G. COOK ENGINEERING, INC.
Mailing Address 12000 STARCREST, SUTIE 107
SAN ANTONIO, TX 78247
Firm Phone (210)481-2533

Areas of Certification
3.1.1 ROUTE STUDIES & SCHEMATIC DESIGN - MINOR ROADWAYS
4.1.1 MINOR ROADWAY DESIGN
4.2.1 MAJOR ROADWAY DESIGN
4.3.1 COMPLEX HIGHWAY DESIGN
15.1.1 SURVEY
15.2.1 DESIGN AND CONSTRUCTION SURVEY


Firm Name STEPHENS AND ASSOCIATES ARCHITECTS
Mailing Address 207 WEST MAIN STREET
MESQUITE, TX 75149
Firm Phone (972)285-2630

Areas of Certification
16.1.1 ARCHITECTURE - BUILDINGS AND OTHER STRUCTURES.


Firm Name STEWART GEO TECHNOLOGIES, INC.
Mailing Address 5730 NORTHWEST PARKWAY STE 500
SAN ANTONIO, TX 78249
Firm Phone (210)684-2147

Areas of Certification
15.3.1 AERIAL MAPPING


Firm Name STILES & STILES, ARCHITECTS
Mailing Address 3307 AVENUE X
LUBBOCK, TX 79411
Firm Phone (806)795-6431

Areas of Certification
16.1.1 ARCHITECTURE - BUILDINGS AND OTHER STRUCTURES.


Firm Name STL ENGINEERS & LABORATORIES
Mailing Address 8908 AMBASSADOR ROW SUITE #300
DALLAS, TX 75247
Firm Phone (214)630-3800

Areas of Certification
2.13.1 HAZARDOUS MATERIALS INITIAL SITE ASSESSMENT
12.1.1 ASPHALTIC CONCRETE
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
14.4.1 BUILDING FOUNDATION STUDIES


Firm Name STOA INTERNATIONAL ARCHITECTS, INC.
Mailing Address 7322 S W FRWY STE 808
HOUSTON, TX 77074
Firm Phone (713)995-8784

Areas of Certification
16.1.1 ARCHITECTURE - BUILDINGS AND OTHER STRUCTURES.


Firm Name STOKES AND ASSOCIATES, INC.
Mailing Address P.O. BOX 1114
HENDERSON, TX 75653-1114
Firm Phone (903)657-7558

Areas of Certification
3.1.1 ROUTE STUDIES & SCHEMATIC DESIGN - MINOR ROADWAYS
3.2.1 ROUTE STUDIES & SCHEMATIC DESIGN - MAJOR ROADWAYS
3.4.1 MINOR BRIDGE LAYOUTS
4.1.1 MINOR ROADWAY DESIGN
4.2.1 MAJOR ROADWAY DESIGN
8.1.1 SIGNING, PAVEMENT MARKING AND CHANNELIZATION
8.3.1 SIGNALIZATION
10.1.1 HYDROLOGIC STUDIES
10.2.1 BASIC HYDRAULIC DESIGN
10.3.1 COMPLEX HYDRAULIC DESIGN


Firm Name STONE STRUCTURAL ENGINEERING
Mailing Address PO BOX 1567
BEEVILLE, TX 78104
Firm Phone (361)542-4126

Areas of Certification
5.1.1 MINOR BRIDGE DESIGN
5.2.1 MAJOR BRIDGE DESIGN
5.3.1 MULTI-LEVEL INTERCHANGE DESIGN
6.1.1 ROUTINE BRIDGE INSPECTION
6.2.1 COMPLEX BRIDGE INSPECTION


Firm Name STORK SOUTHWESTERN LABORATORIES, INC.
Mailing Address 222 CAVALCADE STREET
HOUSTON, TX 77009
Firm Phone (713)696-6234

Areas of Certification
14.1.1 SOIL EXPLORATION
14.2.1 GEOTECHNICAL TESTING


Firm Name STREET SMARTS
Mailing Address 3090 PREMIERE PARKWAY, SUITE 200
DULUTH, GA 30097
Firm Phone (770)813-0882

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
3.1.1 ROUTE STUDIES & SCHEMATIC DESIGN - MINOR ROADWAYS
3.2.1 ROUTE STUDIES & SCHEMATIC DESIGN - MAJOR ROADWAYS
3.3.1 ROUTE STUDIES & SCHEMATIC DESIGN - COMPLEX HIGHWAYS
3.4.1 MINOR BRIDGE LAYOUTS
3.5.1 MAJOR BRIDGE LAYOUTS
3.6.1 MULTI-LEVEL INTERCHANGE AND EXOTIC BRIDGE LAYOUT
4.1.1 MINOR ROADWAY DESIGN
4.2.1 MAJOR ROADWAY DESIGN
4.3.1 COMPLEX HIGHWAY DESIGN
4.4.1 MAJOR FREEWAY INTERCHANGES AND DIRECT CONNECTORS
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
8.5.1 HIGHWAY-RAIL GRADE CROSSINGS


Firm Name STRUCTEL INT L INC.
Mailing Address 1616 GATEWAY BLVD.
RICHARDSON, TX 75080-3529
Firm Phone (214)575-3970

Areas of Certification
6.1.1 ROUTINE BRIDGE INSPECTION


Firm Name STRUCTURAL DIAGNOSTICS, INC.
Mailing Address 1822 DALY DR.
CORPUS CHRISTI, TX 78412
Firm Phone (512)877-3897

Areas of Certification
6.1.1 ROUTINE BRIDGE INSPECTION


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 INDIVIDUAL PERMITS
3.1.1 ROUTE STUDIES & SCHEMATIC DESIGN - MINOR ROADWAYS
3.2.1 ROUTE STUDIES & SCHEMATIC DESIGN - MAJOR ROADWAYS
3.3.1 ROUTE STUDIES & SCHEMATIC DESIGN - COMPLEX HIGHWAYS
3.4.1 MINOR BRIDGE LAYOUTS
3.5.1 MAJOR BRIDGE LAYOUTS
3.6.1 MULTI-LEVEL INTERCHANGE AND EXOTIC BRIDGE LAYOUT
4.1.1 MINOR ROADWAY DESIGN
4.3.1 COMPLEX HIGHWAY DESIGN
5.1.1 MINOR BRIDGE DESIGN
5.2.1 MAJOR BRIDGE DESIGN
5.2.1 MAJOR BRIDGE DESIGN
5.2.1 MAJOR BRIDGE DESIGN
5.3.1 MULTI-LEVEL INTERCHANGE DESIGN
5.4.1 EXOTIC BRIDGE DESIGN
6.1.1 ROUTINE BRIDGE INSPECTION
9.1.1 BICYCLE AND PEDESTRIAN FACILITY DEVELOPMENT
10.1.1 HYDROLOGIC STUDIES
10.2.1 BASIC HYDRAULIC DESIGN
10.5.1 BRIDGE SCOUR EVALUATIONS AND ANALYSIS
11.1.1 ROADWAY CONSTRUCTION MANAGEMENT AND INSPECTION
11.2.1 MAJOR 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


Firm Name STV INCORPORATED
Mailing Address 1201 MAIN STREET, SUITE 1512
DALLAS, TX 75202
Firm Phone (214)651-7337

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
2.4.1 NATIONWIDE PERMIT
2.4.3 COAST GUARD & U.S. ARMY CORP OF ENGINEER PERMITS
2.12.1 SOCIO-ECONOMIC AND ENVIRONMENTAL JUSTICE ANALYSES
3.1.1 ROUTE STUDIES & SCHEMATIC DESIGN - MINOR ROADWAYS
3.2.1 ROUTE STUDIES & SCHEMATIC DESIGN - MAJOR ROADWAYS
3.3.1 ROUTE STUDIES & SCHEMATIC DESIGN - COMPLEX HIGHWAYS
3.4.1 MINOR BRIDGE LAYOUTS
3.5.1 MAJOR BRIDGE LAYOUTS
3.6.1 MULTI-LEVEL INTERCHANGE AND EXOTIC BRIDGE LAYOUT
4.1.1 MINOR ROADWAY DESIGN
4.2.1 MAJOR ROADWAY DESIGN
4.3.1 COMPLEX HIGHWAY DESIGN
4.4.1 MAJOR FREEWAY INTERCHANGES AND DIRECT CONNECTORS
5.1.1 MINOR BRIDGE DESIGN
5.2.1 MAJOR BRIDGE DESIGN
5.3.1 MULTI-LEVEL INTERCHANGE DESIGN
5.4.1 EXOTIC BRIDGE DESIGN
6.1.1 ROUTINE BRIDGE INSPECTION
7.1.1 TRAFFIC ENGINEERING STUDIES
8.1.1 SIGNING, PAVEMENT MARKING AND CHANNELIZATION
8.3.1 SIGNALIZATION
8.5.1 HIGHWAY-RAIL GRADE CROSSINGS
9.1.1 BICYCLE AND PEDESTRIAN FACILITY DEVELOPMENT
10.1.1 HYDROLOGIC STUDIES
10.2.1 BASIC HYDRAULIC DESIGN
10.3.1 COMPLEX HYDRAULIC DESIGN
10.4.1 PUMP STATION-HYDRAULICS
11.1.1 ROADWAY CONSTRUCTION MANAGEMENT AND INSPECTION
11.2.1 MAJOR BRIDGE CONSTRUCTION MANAGEMENT AND INSPECTION
12.1.1 ASPHALTIC CONCRETE
12.1.2 PORTLAND CEMENT CONCRETE
12.2.1 PLANT INSPECTION AND TESTING
14.1.1 SOIL EXPLORATION
14.2.1 GEOTECHNICAL TESTING
16.1.1 ARCHITECTURE - BUILDINGS AND OTHER STRUCTURES.


Firm Name SUE WINTON MOSS
Mailing Address 4118 EDWARDS MOUNTAIN DR.
AUSTIN, TX 78731
Firm Phone (512)451-3113

Areas of Certification
2.8.1 SURVEYS, RES. & DOC. OF HISTORIC BUILD, STRUCT. AND OBJECTS
2.9.1 HISTORIC ARCHITECTURE
2.11.1 HISTORICAL AND ARCHIVAL RESEARCH


Firm Name SUMMIT SURVEYING, LTD.
Mailing Address 2040 DEERBROOK DRIVE
TYLER, TX 75703
Firm Phone (903)561-9544

Areas of Certification
15.1.1 SURVEY
15.1.2 PARCEL PLATS
15.1.3 LEGAL DESCRIPTIONS
15.1.4 RIGHT OF WAY MAPS
15.2.1 DESIGN AND CONSTRUCTION SURVEY
15.4.1 HORIZONTAL AND VERTICAL CONTROL FOR AERIAL MAPPING


Firm Name SUNLAND ENGINEERING COMPANY DBA SUNLAND GROUP
Mailing Address 1907 N. LAMAR, SUITE 220
AUSTIN, TX 78705
Firm Phone (512)494-0208

Areas of Certification
4.2.1 MAJOR ROADWAY DESIGN
11.1.1 ROADWAY CONSTRUCTION MANAGEMENT AND INSPECTION
11.2.1 MAJOR BRIDGE CONSTRUCTION MANAGEMENT AND INSPECTION
16.1.1 ARCHITECTURE - BUILDINGS AND OTHER STRUCTURES.


Firm Name SURDEX CORPORATION
Mailing Address 520 SPIRIT OF ST. LOUIS BLVD.
CHESTERFIELD, MO 63005
Firm Phone (636)532-3427

Areas of Certification
15.3.1 AERIAL MAPPING


Firm Name SURVCON INC.
Mailing Address P.O. BOX 130089
HOUSTON, TX 77219
Firm Phone (713)780-4123

Areas of Certification
15.1.1 SURVEY
15.1.2 PARCEL PLATS
15.1.3 LEGAL DESCRIPTIONS
15.1.4 RIGHT OF WAY MAPS
15.2.1 DESIGN AND CONSTRUCTION SURVEY
15.3.1 AERIAL MAPPING
15.4.1 HORIZONTAL AND VERTICAL CONTROL FOR AERIAL MAPPING
15.5.1 STATE LAND SURVEYING


Firm Name SURVEYING AND MAPPING, INC.
Mailing Address BUILDING B, 5508 W HWY 290
AUSTIN, TX 78735
Firm Phone (512)447-0575

Areas of Certification
3.1.1 ROUTE STUDIES & SCHEMATIC DESIGN - MINOR ROADWAYS
3.2.1 ROUTE STUDIES & SCHEMATIC DESIGN - MAJOR ROADWAYS
3.4.1 MINOR BRIDGE LAYOUTS
3.5.1 MAJOR BRIDGE LAYOUTS
4.1.1 MINOR ROADWAY DESIGN
4.2.1 MAJOR ROADWAY DESIGN
8.1.1 SIGNING, PAVEMENT MARKING AND CHANNELIZATION
10.1.1 HYDROLOGIC STUDIES
10.2.1 BASIC HYDRAULIC DESIGN
11.1.1 ROADWAY CONSTRUCTION MANAGEMENT AND INSPECTION
15.1.1 SURVEY
15.1.2 PARCEL PLATS
15.1.3 LEGAL DESCRIPTIONS
15.1.4 RIGHT OF WAY MAPS
15.2.1 DESIGN AND CONSTRUCTION SURVEY
15.3.1 AERIAL MAPPING
15.4.1 HORIZONTAL AND VERTICAL CONTROL FOR AERIAL MAPPING
15.5.1 STATE LAND SURVEYING
18.2.1 SUBSURFACE UTILITY ENGINEERING


Firm Name SURVTEX, LLC
Mailing Address 505 B CYPRERSS CREEK ROAD
CEDAR PARK, TX 78613
Firm Phone (512)249-8875

Areas of Certification
15.1.1 SURVEY
15.1.2 PARCEL PLATS
15.1.3 LEGAL DESCRIPTIONS
15.1.4 RIGHT OF WAY MAPS
15.2.1 DESIGN AND CONSTRUCTION SURVEY
15.4.1 HORIZONTAL AND VERTICAL CONTROL FOR AERIAL MAPPING


Firm Name SUSMAN TISDALE GAYLE
Mailing Address 4330 S. MOPAC EXPWY STE 100
AUSTIN, TX 78735
Firm Phone (512)899-3500

Areas of Certification
16.1.1 ARCHITECTURE - BUILDINGS AND OTHER STRUCTURES.


Firm Name SWCA, INC.
Mailing Address 2120 N. CENTRAL AVE., STE 130
PHOENIX, AZ 85004
Firm Phone (602)274-3831

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 INDIVIDUAL PERMITS
2.4.3 COAST GUARD & U.S. ARMY CORP OF ENGINEER PERMITS
2.6.1 PROTECTED SPECIES DETERMINATION (HABITAT)
2.6.2 IMPACT EVALUATION ASSESSMENTS
2.6.3 BIOLOGICAL SURVEYS
2.8.1 SURVEYS, RES. & DOC. OF HISTORIC BUILD, STRUCT. AND OBJECTS
2.10.1 ARCHEOLOGICAL SURVEYS
2.11.1 HISTORICAL AND ARCHIVAL RESEARCH
2.12.1 SOCIO-ECONOMIC AND ENVIRONMENTAL JUSTICE ANALYSES
2.13.1 HAZARDOUS MATERIALS INITIAL SITE ASSESSMENT
2.14.1 ENVIRONMENTAL DOCUMENT PREPARATION


Firm Name SWP CONSULTANTS, LLC
Mailing Address 5443 S. 99TH. EAST AVE.
TULSA, OK 74146
Firm Phone (918)663-7076

Areas of Certification
15.1.2 PARCEL PLATS
15.1.3 LEGAL DESCRIPTIONS
15.1.4 RIGHT OF WAY MAPS
15.2.1 DESIGN AND CONSTRUCTION SURVEY


Firm Name SYLVA ENGINEERING CORPORATION
Mailing Address 2077 S. GESSNER RD, STE 225
HOUSTON, TX 77063
Firm Phone (713)781-4455

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
3.1.1 ROUTE STUDIES & SCHEMATIC DESIGN - MINOR ROADWAYS
3.2.1 ROUTE STUDIES & SCHEMATIC DESIGN - MAJOR ROADWAYS
3.3.1 ROUTE STUDIES & SCHEMATIC DESIGN - COMPLEX HIGHWAYS
3.4.1 MINOR BRIDGE LAYOUTS
3.5.1 MAJOR BRIDGE LAYOUTS
3.6.1 MULTI-LEVEL INTERCHANGE AND EXOTIC BRIDGE LAYOUT
4.1.1 MINOR ROADWAY DESIGN
4.2.1 MAJOR ROADWAY DESIGN
4.3.1 COMPLEX HIGHWAY DESIGN
7.1.1 TRAFFIC ENGINEERING STUDIES
7.2.1 HIGHWAY-RAIL GRADE CROSSING STUDIES
8.1.1 SIGNING, PAVEMENT MARKING AND CHANNELIZATION
8.3.1 SIGNALIZATION
10.2.1 BASIC HYDRAULIC DESIGN
11.1.1 ROADWAY CONSTRUCTION MANAGEMENT AND INSPECTION


Firm Name SYNTHESIS ARCHITECTURE, INC.
Mailing Address 299 SHADOW MOUNTAIN DRIVE, SUITE B
EL PASO, TX 79912
Firm Phone (915)833-4122

Areas of Certification
16.1.1 ARCHITECTURE - BUILDINGS AND OTHER STRUCTURES.


Firm Name SYSTRA MOBILITY
Mailing Address 312 CLAY STREET, SUITE 180
OAKLAND, CA 94607
Firm Phone (510)663-5200

Areas of Certification
1.3.1 SUBAREA/CORRIDOR PLANNING
1.4.1 LAND PLANNING/ENGINEERING
1.5.1 FEASIBILITY STUDIES


Firm Name SZURGOT SURVEYORS, INC.
Mailing Address P. O. BOX 533
HILLSBORO, TX 76645
Firm Phone (254)582-3231

Areas of Certification
15.1.1 SURVEY
15.1.2 PARCEL PLATS
15.1.3 LEGAL DESCRIPTIONS
15.1.4 RIGHT OF WAY MAPS
15.2.1 DESIGN AND CONSTRUCTION SURVEY


Firm Name T. K. MATT AND ASSSOCIATES, INC.
Mailing Address 2510 SOUTHWELL STE 112
DALLAS, TX 75229
Firm Phone (972)243-4194

Areas of Certification
2.13.1 HAZARDOUS MATERIALS INITIAL SITE ASSESSMENT


Firm Name T.H. MARTIN ENGINEERING & SURVEYING, INC.
Mailing Address P.O. BOX 1308
HARLINGEN, TX 78550
Firm Phone (956)428-4014

Areas of Certification
3.4.1 MINOR BRIDGE LAYOUTS
4.1.1 MINOR ROADWAY DESIGN
4.2.1 MAJOR ROADWAY DESIGN
6.1.1 ROUTINE BRIDGE INSPECTION
8.1.1 SIGNING, PAVEMENT MARKING AND CHANNELIZATION
10.1.1 HYDROLOGIC STUDIES
10.4.3 PUMP STATION-STRUCTURES
11.1.1 ROADWAY CONSTRUCTION MANAGEMENT AND INSPECTION
15.1.1 SURVEY
15.1.2 PARCEL PLATS
15.1.3 LEGAL DESCRIPTIONS
15.1.4 RIGHT OF WAY MAPS
15.2.1 DESIGN AND CONSTRUCTION SURVEY
15.4.1 HORIZONTAL AND VERTICAL CONTROL FOR AERIAL MAPPING


Firm Name T.Y. LIN INTERNATIONAL
Mailing Address 2 HARRISON STREET, SUITE 500
SAN FRANCISCO, CA 94105
Firm Phone (415)291-3764

Areas of Certification
1.3.1 SUBAREA/CORRIDOR PLANNING
1.4.1 LAND PLANNING/ENGINEERING
3.1.1 ROUTE STUDIES & SCHEMATIC DESIGN - MINOR ROADWAYS
3.2.1 ROUTE STUDIES & SCHEMATIC DESIGN - MAJOR ROADWAYS
3.3.1 ROUTE STUDIES & SCHEMATIC DESIGN - COMPLEX HIGHWAYS
3.4.1 MINOR BRIDGE LAYOUTS
3.5.1 MAJOR BRIDGE LAYOUTS
3.6.1 MULTI-LEVEL INTERCHANGE AND EXOTIC BRIDGE LAYOUT
4.1.1 MINOR ROADWAY DESIGN
4.2.1 MAJOR ROADWAY DESIGN
4.3.1 COMPLEX HIGHWAY DESIGN
4.4.1 MAJOR FREEWAY INTERCHANGES AND DIRECT CONNECTORS
5.1.1 MINOR BRIDGE DESIGN
5.2.1 MAJOR BRIDGE DESIGN
5.3.1 MULTI-LEVEL INTERCHANGE DESIGN
5.4.1 EXOTIC BRIDGE DESIGN
6.1.1 ROUTINE BRIDGE INSPECTION
6.2.1 COMPLEX BRIDGE INSPECTION
7.1.1 TRAFFIC ENGINEERING STUDIES
7.2.1 HIGHWAY-RAIL GRADE CROSSING 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
8.5.1 HIGHWAY-RAIL GRADE CROSSINGS
9.1.1 BICYCLE AND PEDESTRIAN FACILITY DEVELOPMENT
10.1.1 HYDROLOGIC STUDIES
10.2.1 BASIC HYDRAULIC DESIGN
10.3.1 COMPLEX HYDRAULIC DESIGN
10.5.1 BRIDGE SCOUR EVALUATIONS AND ANALYSIS
11.1.1 ROADWAY CONSTRUCTION MANAGEMENT AND INSPECTION
11.2.1 MAJOR BRIDGE CONSTRUCTION MANAGEMENT AND INSPECTION



Updated January 08, 2009

spacer spacer
© Copyright 2009, TxDOT
All Rights Reserved. 		Disclaimer | Accessibility Policy | Privacy and Security Policy | Open Records | TxDOT Contacts