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Precertified Firms - Sorted by Firm Name

Precertified Firm Page Links ( Updated January 08, 2009 at 9:00:04 P.M. )
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Firm Name DELGADO DURRANT OF TEXAS, INC.
Mailing Address 3001 SOUTH LAMAR, SUITE 302
AUSTIN, TX 78704
Firm Phone (512)447-1418

Areas of Certification
16.1.1 ARCHITECTURE - BUILDINGS AND OTHER STRUCTURES.


Firm Name DELTA ENVIRONMENTAL CONSULTANTS
Mailing Address 10255 RICHMOND AVENUE, SUITE 200
HOUSTON, TX 77042
Firm Phone (832)200-0943

Areas of Certification
2.13.1 HAZARDOUS MATERIALS INITIAL SITE ASSESSMENT


Firm Name DELTA SURVEY GROUP, INC.
Mailing Address 6301 MANCHACA RD. STE. M
AUSTIN, TX 78745
Firm Phone (512)416-0655

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 DEMOPULOS & FERGUSON ASSOCIATES, INC.
Mailing Address 2180 N LOOP WEST, SUITE 305
HOUSTON, TX 77018-8013
Firm Phone (713)783-7117

Areas of Certification
1.1.1 POLICY PLANNING
1.3.1 SUBAREA/CORRIDOR PLANNING
1.4.1 LAND PLANNING/ENGINEERING
1.5.1 FEASIBILITY STUDIES
2.5.1 WATER POLLUTION ABATEMENT PLAN
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
4.4.1 MAJOR FREEWAY INTERCHANGES AND DIRECT CONNECTORS
5.1.1 MINOR BRIDGE DESIGN
5.2.1 MAJOR BRIDGE DESIGN
8.1.1 SIGNING, PAVEMENT MARKING AND CHANNELIZATION
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
14.3.1 TRANSPORTATION FOUNDATION STUDIES
14.4.1 BUILDING 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
16.1.1 ARCHITECTURE - BUILDINGS AND OTHER STRUCTURES.


Firm Name DENMON ENGINEERING COMPANY, INC. / DENMON ENGINEERING OF TEXAS
Mailing Address PO BOX 8460
MONROE, LA 71211
Firm Phone (318)388-1422

Areas of Certification
4.1.1 MINOR ROADWAY DESIGN
4.2.1 MAJOR ROADWAY DESIGN
10.1.1 HYDROLOGIC STUDIES
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


Firm Name DESHAZO, TANG & ASSOCIATES, INC.
Mailing Address 400 SOUTH HOUSTON, SUITE 330
DALLAS, TX 75202
Firm Phone (214)748-6740

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
3.1.1 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
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
8.5.1 HIGHWAY-RAIL GRADE CROSSINGS


Firm Name DESIGN INTERNATIONAL
Mailing Address 2725 CANTON STREET
DALLAS, TX 75226
Firm Phone (214)748-7712

Areas of Certification
16.1.1 ARCHITECTURE - BUILDINGS AND OTHER STRUCTURES.


Firm Name DETAILED DESIGN
Mailing Address 2820 LOS ALAMOS COURT
ROUND ROCK, TX 78665
Firm Phone (512)252-8308

Areas of Certification
6.1.1 ROUTINE BRIDGE INSPECTION


Firm Name DFW GEODESY
Mailing Address 336 N. RUDD STREET
BULESON, TX 76028
Firm Phone (817)447-4122

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 DIAMOND SURVEYING, INC.
Mailing Address 1915 SOUTH AUSTIN AVENUE, SUITE 111
GEORGETOWN, TX 78626
Firm Phone (512)931-3100

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 DIANE E. WILLIAMS & ASSOCIATES
Mailing Address 4706 AVENUE G
AUSTIN, TX 78751
Firm Phone (512)458-2367

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


Firm Name DIGITAL MAPPING ASSOCIATES, INC.
Mailing Address 730 N.W. 63RD STREET
OKLAHOMA CITY, OK 73116
Firm Phone (405)842-4114

Areas of Certification
15.3.1 AERIAL MAPPING


Firm Name DIKITA ENGINEERING, INC.
Mailing Address 3400 HIGHWAY 365, SUITE 304
PORT ARTHUR, TX 77642
Firm Phone (409)729-8300

Areas of Certification
4.2.1 MAJOR ROADWAY DESIGN
8.1.1 SIGNING, PAVEMENT MARKING AND CHANNELIZATION


Firm Name DIMENSIONS ARCHITECTS INTERNATIONAL
Mailing Address 4150 RIO BRAVO, SUITE 102
EL PASO, TX 79902
Firm Phone (915)533-0875

Areas of Certification
16.1.1 ARCHITECTURE - BUILDINGS AND OTHER STRUCTURES.


Firm Name DKS ASSOCIATES
Mailing Address 1000 BROADWAY, SUITE 450
OAKLAND, CA 94607
Firm Phone (510)267-6632

Areas of Certification
1.3.1 SUBAREA/CORRIDOR PLANNING
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
8.3.1 SIGNALIZATION
8.4.1 ITS CONTROL SYSTEMS ANALYSIS, DESIGN & IMPLEMENTATION
9.1.1 BICYCLE AND PEDESTRIAN FACILITY DEVELOPMENT


Firm Name DMJM+HARRIS, INC.
Mailing Address 5757 WOODWAY
HOUSTON, TX 77057
Firm Phone (713)781-8100

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
2.4.1 NATIONWIDE PERMIT
2.4.2 INDIVIDUAL PERMITS
2.4.3 COAST GUARD & U.S. ARMY CORP OF ENGINEER PERMITS
2.7.1 SEC. 4(F)\6(F) EVALUATIONS
2.8.1 SURVEYS, RES. & DOC. OF HISTORIC BUILD, STRUCT. AND OBJECTS
2.11.1 HISTORICAL AND ARCHIVAL RESEARCH
2.12.1 SOCIO-ECONOMIC AND ENVIRONMENTAL JUSTICE ANALYSES
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
7.3.1 TRAFFIC SIGNAL TIMING
7.4.1 TRAFFIC CONTROL SYSTEMS ANALYSIS, DESIGN AND IMPLEMENTATION
7.5.1 INTELLIGENT TRANSPORTATION SYSTEMS
8.1.1 SIGNING, PAVEMENT MARKING AND CHANNELIZATION
8.2.1 ILLUMINATION
8.3.1 SIGNALIZATION
8.4.1 ITS CONTROL SYSTEMS ANALYSIS, DESIGN & IMPLEMENTATION
9.1.1 BICYCLE AND PEDESTRIAN FACILITY 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
11.2.1 MAJOR BRIDGE CONSTRUCTION MANAGEMENT AND INSPECTION
14.3.1 TRANSPORTATION FOUNDATION STUDIES
14.4.1 BUILDING FOUNDATION STUDIES


Firm Name DO TECHNICAL SERVICES, INC.
Mailing Address 99 TROPHY CLUB DR.
TROPHY CLUB, TX 76262
Firm Phone (817)430-5802

Areas of Certification
1.4.1 LAND PLANNING/ENGINEERING
3.1.1 ROUTE STUDIES & SCHEMATIC DESIGN - MINOR ROADWAYS
3.2.1 ROUTE STUDIES & SCHEMATIC DESIGN - MAJOR ROADWAYS
3.4.1 MINOR BRIDGE LAYOUTS
4.1.1 MINOR ROADWAY DESIGN
4.2.1 MAJOR ROADWAY DESIGN
9.1.1 BICYCLE AND PEDESTRIAN FACILITY DEVELOPMENT
10.4.1 PUMP STATION-HYDRAULICS


Firm Name DODSON & ASSOCIATES, INC.
Mailing Address 5629 FM 1960 WEST, SUITE 314
HOUSTON, TX 77069
Firm Phone (281)440-3787

Areas of Certification
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


Firm Name DOMINGUEZ-MARTINEZ & ASSOCIATES,LLC (DBA)CARGIL CONSULTANTS
Mailing Address 201 E. COMMERCE STE. #355
SAN ANTONIO, TX 78205-2951
Firm Phone (210)299-4542

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
5.4.1 EXOTIC BRIDGE DESIGN
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
15.1.1 SURVEY
15.2.1 DESIGN AND CONSTRUCTION SURVEY


Firm Name DON BREAZEALE & ASSOCIATES
Mailing Address P.O. BOX 7121
RANCHO SANTA FE, CA 92067
Firm Phone (858)759-8321

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
7.2.1 HIGHWAY-RAIL GRADE CROSSING 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


Firm Name DON DURDEN, INC. DBA CIVIL ENGINEERING CONSULTANTS
Mailing Address 11550 IH 10 WEST, STE. 395
SAN ANTONIO, TX 78230
Firm Phone (210)641-9999

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
2.4.1 NATIONWIDE PERMIT
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
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
10.3.1 COMPLEX HYDRAULIC DESIGN
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
15.1.2 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 DON R. ABBE HISTORIC PRESERVATION CONSULTANT
Mailing Address 4607 23RD STREET
LUBBOCK, TX 79407
Firm Phone (806)791-1615

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


Firm Name DORADO ENGINEERING INC.
Mailing Address 2310 MONTANA
EL PASO, TX 79903
Firm Phone (915)532-4788

Areas of Certification
3.1.1 ROUTE STUDIES & SCHEMATIC DESIGN - MINOR ROADWAYS
3.2.1 ROUTE STUDIES & SCHEMATIC DESIGN - MAJOR ROADWAYS
4.1.1 MINOR ROADWAY DESIGN
4.2.1 MAJOR ROADWAY DESIGN
6.1.1 ROUTINE BRIDGE INSPECTION
10.2.1 BASIC HYDRAULIC DESIGN
15.1.1 SURVEY
15.1.3 LEGAL DESCRIPTIONS
15.2.1 DESIGN AND CONSTRUCTION SURVEY


Firm Name DOS LAND SURVEYING
Mailing Address NO MAILING ADDRESS FOUND.
Firm Phone

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 DOS LOGISTICS, INC.
Mailing Address 2811 E. MILE 9 1/2
DONNA, TX 78537
Firm Phone (956)461-5900

Areas of Certification
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
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
11.1.1 ROADWAY CONSTRUCTION MANAGEMENT AND INSPECTION


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
1.4.1 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
4.1.1 MINOR ROADWAY DESIGN
4.2.1 MAJOR ROADWAY DESIGN
7.4.1 TRAFFIC CONTROL SYSTEMS ANALYSIS, DESIGN AND IMPLEMENTATION
8.1.1 SIGNING, PAVEMENT MARKING AND CHANNELIZATION
8.3.1 SIGNALIZATION
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
15.4.1 HORIZONTAL AND VERTICAL CONTROL FOR AERIAL MAPPING


Firm Name DOUG CONNALLY & ASSOCIATES, INC
Mailing Address SAME
,
Firm Phone (214)535-9839

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


Firm Name DOUGHERTY SPRAGUE ENVIRONMENTAL, INC.
Mailing Address 1202 EXECUTIVE DRIVE WEST
RICHARDSON, TX 75081
Firm Phone (972)907-8666

Areas of Certification
2.13.1 HAZARDOUS MATERIALS INITIAL SITE ASSESSMENT


Firm Name DOUPHRATE & ASSOCIATES, INC.
Mailing Address 2335 RIDGE ROAD, SUITE 200
ROCKWALL, TX 75087
Firm Phone (972)771-9004

Areas of Certification
3.1.1 ROUTE STUDIES & SCHEMATIC DESIGN - MINOR ROADWAYS
3.2.1 ROUTE STUDIES & SCHEMATIC DESIGN - MAJOR ROADWAYS
4.1.1 MINOR ROADWAY DESIGN
4.2.1 MAJOR ROADWAY 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
15.4.1 HORIZONTAL AND VERTICAL CONTROL FOR AERIAL MAPPING


Firm Name DOYLE & WACHTSTETTER, INC.
Mailing Address 131 COMMERCE STREET
CLUTE, TX 77531
Firm Phone (979)265-3622

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 DR. G. SAUER CORPORATION
Mailing Address 560 HERNDON PARKWAY, SUITE 310
HERNDON, VA 20170
Firm Phone (703)707-0700

Areas of Certification
3.2.1 ROUTE STUDIES & SCHEMATIC DESIGN - MAJOR ROADWAYS
11.1.1 ROADWAY CONSTRUCTION MANAGEMENT AND INSPECTION
14.4.1 BUILDING FOUNDATION STUDIES


Firm Name DRJ SURVEYING, L.L.C.
Mailing Address P.O. BOX 531
THORNDALE, TX 76577-0531
Firm Phone (512)422-2649

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 DUNAWAY ASSOCIATES, L.P.
Mailing Address 1501 MERRIMAC CIRCLE, SUITE 100
FORT WORTH, TX 76107
Firm Phone (817)335-1121

Areas of Certification
1.1.1 POLICY PLANNING
1.3.1 SUBAREA/CORRIDOR PLANNING
1.4.1 LAND PLANNING/ENGINEERING
1.5.1 FEASIBILITY STUDIES
1.6.1 MAJOR INVESTMENT STUDIES
2.3.1 WETLAND DELINEATION
2.4.1 NATIONWIDE PERMIT
2.4.2 INDIVIDUAL PERMITS
2.6.1 PROTECTED SPECIES DETERMINATION (HABITAT)
2.6.2 IMPACT EVALUATION ASSESSMENTS
2.6.3 BIOLOGICAL SURVEYS
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
7.2.1 HIGHWAY-RAIL GRADE CROSSING STUDIES
7.3.1 TRAFFIC SIGNAL TIMING
8.1.1 SIGNING, PAVEMENT MARKING AND CHANNELIZATION
8.3.1 SIGNALIZATION
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
15.4.1 HORIZONTAL AND VERTICAL CONTROL FOR AERIAL MAPPING


Firm Name DYE MANAGEMENT GROUP, INC.
Mailing Address 500 108TH AVE NE STE 1700
BELLEVUE, WA 98004
Firm Phone (425)637-8010

Areas of Certification
1.1.1 POLICY PLANNING
1.2.1 SYSTEMS PLANNING
1.3.1 SUBAREA/CORRIDOR PLANNING
2.12.1 SOCIO-ECONOMIC AND ENVIRONMENTAL JUSTICE ANALYSES


Firm Name DYER, RIDDLE, MILLS & PRECOURT, INC.
Mailing Address 941 LAKE BALDWIN LANE
ORLANDO, FL 32814
Firm Phone (407)896-0594

Areas of Certification
2.1.1 TRAFFIC NOISE ANALYSIS
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


Firm Name DYESS-PETERSON TESTING LAB, INC.
Mailing Address PO BOX 30699
AMARILLO, TX 79120
Firm Phone (806)272-4911

Areas of Certification
12.1.2 PORTLAND CEMENT CONCRETE
14.1.1 SOIL EXPLORATION
14.2.1 GEOTECHNICAL TESTING


Firm Name E. L. S. SURVEYING & MAPPING, INC.
Mailing Address 4801 TROUP HWY, STE. #201
TYLER, TX 75703
Firm Phone (903)581-7759

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 E.P. HAMILTON AND ASSOCIATES, INC.
Mailing Address 1406 THREE POINTS RD STE B-9
PFLUGERVILLE, TX 78660
Firm Phone (512)251-4279

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
2.12.1 SOCIO-ECONOMIC AND ENVIRONMENTAL JUSTICE ANALYSES
7.1.1 TRAFFIC ENGINEERING STUDIES
7.2.1 HIGHWAY-RAIL GRADE CROSSING STUDIES
8.4.1 ITS CONTROL SYSTEMS ANALYSIS, DESIGN & IMPLEMENTATION
8.5.1 HIGHWAY-RAIL GRADE CROSSINGS


Firm Name EA ENGINEERING, SCIENCE, AND TECHNOLOGY, INC.
Mailing Address 11019 MCCORMICK ROAD
HUNT VALLEY, MD 21031
Firm Phone (410)584-7000

Areas of Certification
2.13.1 HAZARDOUS MATERIALS INITIAL SITE ASSESSMENT


Firm Name EARTH TECH
Mailing Address 811 BARTON SPRINGS RD STE 400
AUSTIN, TX 78704
Firm Phone (512)474-5500

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
2.13.1 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
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
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
8.5.1 HIGHWAY-RAIL GRADE CROSSINGS
9.1.1 BICYCLE AND PEDESTRIAN FACILITY DEVELOPMENT
10.1.1 HYDROLOGIC STUDIES
10.2.1 BASIC HYDRAULIC DESIGN
10.2.1 BASIC HYDRAULIC DESIGN
10.3.1 COMPLEX HYDRAULIC DESIGN
10.4.1 PUMP STATION-HYDRAULICS
10.4.2 PUMP STATION-ELECTRICAL
10.5.1 BRIDGE SCOUR EVALUATIONS AND ANALYSIS
11.1.1 ROADWAY CONSTRUCTION MANAGEMENT AND INSPECTION
14.3.1 TRANSPORTATION FOUNDATION STUDIES



Updated January 08, 2009

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