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 ROJAS CARRILLO ASSOCIATES
Mailing Address 3534 BEE CAVES RD., STE 203A
AUSTIN, TX 78746
Firm Phone (512)328-1050

Areas of Certification
3.4.1 MINOR BRIDGE LAYOUTS
5.1.1 MINOR BRIDGE DESIGN
6.1.1 ROUTINE BRIDGE INSPECTION


Firm Name ROLLAG & ASSOCIATES, INC.
Mailing Address 805 E YANDELL
EL PASO, TX 79902
Firm Phone (915)533-6277

Areas of Certification
15.3.1 AERIAL MAPPING


Firm Name ROMING, PARKER & KASBERG, L.L.P.
Mailing Address 3513 SW H.K. DODGEN LP STE 103
TEMPLE, TX 76502
Firm Phone (254)773-3731

Areas of Certification
4.1.1 MINOR ROADWAY DESIGN
4.2.1 MAJOR ROADWAY DESIGN


Firm Name RONALD CARROLL SURVEYORS
Mailing Address 5302 S 31ST STREET
TEMPLE, TX 76502
Firm Phone (254)773-1447

Areas of Certification
15.1.1 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 RONALD D. SMITH, SURVEYOR, INC.
Mailing Address P.O. BOX 1679
FORNEY, TX 75126
Firm Phone (972)564-9840

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 RONE ENGINEERING SERVICES, LTD
Mailing Address 8908 AMBASSADOR ROW
DALLAS, TX 75247
Firm Phone (214)630-9745

Areas of Certification
2.13.1 HAZARDOUS MATERIALS INITIAL SITE ASSESSMENT
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 ROSENGARTEN, SMITH & ASSOCIATES, INC.
Mailing Address P.O. BOX 162545
AUSTIN, TX 78716-2545
Firm Phone (512)707-1777

Areas of Certification
2.13.1 HAZARDOUS MATERIALS INITIAL SITE ASSESSMENT


Firm Name RUFF'S SURVEYING COMPANY
Mailing Address NESBITT CEMETERY ROAD
MARSHALL, TX 75670
Firm Phone (903)938-9787

Areas of Certification
15.1.1 SURVEY
15.2.1 DESIGN AND CONSTRUCTION SURVEY
15.4.1 HORIZONTAL AND VERTICAL CONTROL FOR AERIAL MAPPING


Firm Name RUSSELL-VETETO ENGINEERING, INC. DBA RVE, INC.
Mailing Address P.O. BOX 2927
CORPUS CHRISTI, TX 78403
Firm Phone (361)887-8851

Areas of Certification
1.4.1 LAND PLANNING/ENGINEERING
1.5.1 FEASIBILITY STUDIES
2.4.1 NATIONWIDE PERMIT
2.4.2 INDIVIDUAL PERMITS
2.4.3 COAST GUARD & U.S. ARMY CORP OF ENGINEER PERMITS
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
6.1.1 ROUTINE BRIDGE INSPECTION
6.2.1 COMPLEX BRIDGE INSPECTION
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
10.4.1 PUMP STATION-HYDRAULICS
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
18.2.1 SUBSURFACE UTILITY ENGINEERING


Firm Name S & B INFRASTRUCTURE, LTD.
Mailing Address 3535 SAGE ROAD
HOUSTON, TX 77056
Firm Phone (713)845-4605

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
2.3.1 WETLAND DELINEATION
2.4.1 NATIONWIDE PERMIT
2.4.2 INDIVIDUAL PERMITS
2.4.3 COAST GUARD & U.S. ARMY CORP OF ENGINEER PERMITS
2.5.1 WATER POLLUTION ABATEMENT PLAN
2.6.1 PROTECTED SPECIES DETERMINATION (HABITAT)
2.6.2 IMPACT EVALUATION ASSESSMENTS
2.6.3 BIOLOGICAL SURVEYS
2.7.1 SEC. 4(F)\6(F) EVALUATIONS
2.8.1 SURVEYS, RES. & DOC. OF HISTORIC BUILD, STRUCT. AND OBJECTS
2.12.1 SOCIO-ECONOMIC AND ENVIRONMENTAL JUSTICE ANALYSES
2.13.1 HAZARDOUS MATERIALS INITIAL SITE ASSESSMENT
2.14.1 ENVIRONMENTAL DOCUMENT PREPARATION
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
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
8.5.1 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
10.4.3 PUMP STATION-STRUCTURES
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
15.1.1 SURVEY
15.2.1 DESIGN AND CONSTRUCTION SURVEY
15.4.1 HORIZONTAL AND VERTICAL CONTROL FOR AERIAL MAPPING
16.1.1 ARCHITECTURE - BUILDINGS AND OTHER STRUCTURES.
18.2.1 SUBSURFACE UTILITY ENGINEERING


Firm Name S & V SURVEYING, INC
Mailing Address 20111 KRAHN ROAD
SPRING, TX 77388
Firm Phone (281)353-2570

Areas of Certification
4.1.1 MINOR ROADWAY DESIGN
4.2.1 MAJOR ROADWAY DESIGN
10.2.1 BASIC 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 S T SERVICES, INCORPORATED
Mailing Address P.O. BOX 570093
HOUSTON, TX 77257
Firm Phone (713)278-2118

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 SALCEDO GROUP, INC.
Mailing Address 400 SOUTH ZANG BLVD., STE 1420 LB 78
DALLAS, TX 75208
Firm Phone (214)941-8610

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
4.3.1 COMPLEX HIGHWAY DESIGN
10.1.1 HYDROLOGIC STUDIES
10.2.1 BASIC 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


Firm Name SANBORN, INC.
Mailing Address 18421 EDISON AVE
CHESTERFIELD, MO 63005
Firm Phone (636)449-0189

Areas of Certification
15.3.1 AERIAL MAPPING


Firm Name SANDERSON SURVEYING INC.
Mailing Address RT. 1 BOX 52C
RAVENNA, TX 75476
Firm Phone (903)640-3830

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 SANDS SURVEYING COMPANY
Mailing Address P.O. BOX 293983
LEWISVILLE, TX 75029
Firm Phone (972)966-2871

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 SATYA TECH 1 SERVICES
Mailing Address 118 BROADWAY, STE 336
SAN ANTONIO, TX 78205
Firm Phone (210)271-9086

Areas of Certification
2.13.1 HAZARDOUS MATERIALS INITIAL SITE ASSESSMENT


Firm Name SAVANT GROUP INC.
Mailing Address 1700 PACIFIC AVENUE, SUITE 1240
DALLAS, TX 75201
Firm Phone (214)468-8200

Areas of Certification
1.4.1 LAND PLANNING/ENGINEERING
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
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


Firm Name SAXON SURVEYING, INC.
Mailing Address 201 WEST BROAD ST.
MINEOLA, TX 75773
Firm Phone (903)569-1776

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 SBCM ARCHITECTS, INC.
Mailing Address 921 SHILOH ROAD B300
TYLER, TX 75703
Firm Phone (903)593-5605

Areas of Certification
16.1.1 ARCHITECTURE - BUILDINGS AND OTHER STRUCTURES.


Firm Name SCHAEFFER PRECISION ALIGNMENT, INC.
Mailing Address P.O. BOX 1042
ATLANTA, TX 75551
Firm Phone (903)796-7941

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 SCHAUMBURG & POLK, INC.
Mailing Address 8865 COLLEGE STREET
BEAUMONT, TX 77707
Firm Phone (409)866-0341

Areas of Certification
1.2.1 SYSTEMS PLANNING
1.3.1 SUBAREA/CORRIDOR PLANNING
1.5.1 FEASIBILITY STUDIES
2.4.1 NATIONWIDE PERMIT
2.4.2 INDIVIDUAL PERMITS
2.4.3 COAST GUARD & U.S. ARMY CORP OF ENGINEER 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
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
6.1.1 ROUTINE 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
10.4.1 PUMP STATION-HYDRAULICS
10.5.1 BRIDGE SCOUR EVALUATIONS AND ANALYSIS
11.1.1 ROADWAY CONSTRUCTION MANAGEMENT AND INSPECTION
14.3.1 TRANSPORTATION FOUNDATION STUDIES
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 SCHRICKEL, ROLLINS AND ASSOCIATES INC.
Mailing Address 1161 CORP DR W. STE 200
ARLINGTON, TX 76006
Firm Phone (817)649-3216

Areas of Certification
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
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
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
14.3.1 TRANSPORTATION FOUNDATION STUDIES
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 SCHULTZ GROUP, INC., THE
Mailing Address P.O. BOX 310483
NEW BRAUNFELS, TX 78131
Firm Phone (830)606-3913

Areas of Certification
1.4.1 LAND PLANNING/ENGINEERING
2.5.1 WATER POLLUTION ABATEMENT PLAN
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
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
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
11.1.1 ROADWAY CONSTRUCTION MANAGEMENT AND INSPECTION
12.2.1 PLANT INSPECTION AND TESTING
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 SCHWAB STRUCTURAL ENGINEERING, INC.
Mailing Address 555 IH 35 SOUTH, SUITE 230
NEW BRAUNFELS, TX 78130
Firm Phone (830)624-2225

Areas of Certification
3.4.1 MINOR BRIDGE LAYOUTS
4.1.1 MINOR ROADWAY DESIGN
5.1.1 MINOR BRIDGE DESIGN


Firm Name SCIENCE APPLICATIONS INTERNATIONAL CORPORATION
Mailing Address 4242 WOODCOCK DRIVE, SUITE 150
SAN ANTONIO, TX 78216
Firm Phone (210)731-2217

Areas of Certification
2.2.1 AIR QUALITY ANALYSIS
2.6.2 IMPACT EVALUATION ASSESSMENTS
2.13.1 HAZARDOUS MATERIALS INITIAL SITE ASSESSMENT
2.14.1 ENVIRONMENTAL DOCUMENT PREPARATION
10.1.1 HYDROLOGIC STUDIES
10.2.1 BASIC HYDRAULIC DESIGN
10.3.1 COMPLEX HYDRAULIC DESIGN


Firm Name SCIENCE ENGINEERING, INC.
Mailing Address P.O. BOX 2048
NEDERLAND, TX 77627
Firm Phone (409)982-0686

Areas of Certification
14.1.1 SOIL EXPLORATION
14.4.1 BUILDING FOUNDATION STUDIES


Firm Name SCIENTECH
Mailing Address 701 SHEPHERD, SUITE 200
HOUSTON, TX 77007
Firm Phone (713)977-6090

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
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
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 BASIC HYDRAULIC DESIGN
10.5.1 BRIDGE SCOUR EVALUATIONS AND ANALYSIS


Firm Name SDW & ASSOCIATES, INC.
Mailing Address 17245 CR 136TOWN DRIVE
TYLER, TX 75703
Firm Phone (903)894-4075

Areas of Certification
6.1.1 ROUTINE BRIDGE INSPECTION


Firm Name SECOR INTERNATIONAL
Mailing Address P.O. BOX 230
REDMOND, WA 98073
Firm Phone (425)372-1600

Areas of Certification
2.13.1 HAZARDOUS MATERIALS INITIAL SITE ASSESSMENT


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 - BUILDINGS AND OTHER STRUCTURES.


Firm Name SEK ENGINEERING, CORP.
Mailing Address 23510 WELLINGTON COURT BLVD
SPRING, TX 77389
Firm Phone (281)705-2255

Areas of Certification
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
6.2.1 COMPLEX BRIDGE INSPECTION
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 BASIC HYDRAULIC DESIGN


Firm Name SEMPCO SURVEYING, INC.
Mailing Address 3208 S. MAIN STREET
FORT WORTH, TX 76110
Firm Phone (817)926-7876

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 SENDERO ENVIRONMENTAL, LLP
Mailing Address P.O. BOX 340
KARNES CITY, TX 78118
Firm Phone (830)780-2559

Areas of Certification
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


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
2.4.2 INDIVIDUAL PERMITS
2.5.1 WATER POLLUTION ABATEMENT PLAN
2.13.1 HAZARDOUS MATERIALS INITIAL SITE ASSESSMENT


Firm Name SERAFINA TECHNICAL CONSULTING
Mailing Address P. O. BOX 77
SERAFINA, NM 87569
Firm Phone (505)421-0124

Areas of Certification
2.1.1 TRAFFIC NOISE ANALYSIS
2.2.1 AIR QUALITY ANALYSIS


Firm Name SES HORIZON CONSULTING ENGINEERS, INC.
Mailing Address 10101 S W FRWY STE 400
HOUSTON, TX 77074
Firm Phone (713)988-5504

Areas of Certification
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
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
6.1.1 ROUTINE BRIDGE INSPECTION
8.1.1 SIGNING, PAVEMENT MARKING AND CHANNELIZATION
10.1.1 HYDROLOGIC STUDIES
10.2.1 BASIC HYDRAULIC DESIGN


Firm Name SHAW ENVIRONMENTAL, INC.
Mailing Address 8501 NORTH MOPAC, SUITE 320
AUSTIN, TX 78759
Firm Phone (512)928-8051

Areas of Certification
2.3.1 WETLAND DELINEATION
2.4.1 NATIONWIDE PERMIT
2.6.1 PROTECTED SPECIES DETERMINATION (HABITAT)
2.13.1 HAZARDOUS MATERIALS INITIAL SITE ASSESSMENT
10.1.1 HYDROLOGIC STUDIES


Firm Name SHEPPARD SURVEYING CO., INC
Mailing Address 1013 ENERGY DRIVE
ABILENE, TX 79602
Firm Phone (915)695-6277

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
15.5.1 STATE LAND SURVEYING


Firm Name SHERWOOD SURVEYING, LLC
Mailing Address P.O. BOX 970
SPRING BRANCH, TX 78070
Firm Phone (830)228-4147

Areas of Certification
1.4.1 LAND PLANNING/ENGINEERING
2.11.1 HISTORICAL AND ARCHIVAL RESEARCH
10.1.1 HYDROLOGIC STUDIES
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



Updated January 08, 2009

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