Active TxDOT Precertified Firms


Active Precertified Firms - Sorted by Firm Name

Active Precertified Firm Page Links ( Updated June 28, 2016 at 9:00:03 P.M. )
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Renewal Status FEBRUARY 17, 2016 ( ACTIVE )
Firm Name WI-SKIES, LLC
Mailing Address 504
SPANISH FORT, AL 36527
Firm Phone (219)588-6962

Areas of Certification
7.5.1 INTELLIGENT TRANSPORTATION SYSTEMS
8.2.1 ILLUMINATION
8.4.1 ITS CONTROL SYSTEMS ANALYSIS, DESIGN & IMPLEMENTATION



Renewal Status APRIL 8, 2016 ( ACTIVE )
Firm Name WIER & ASSOCIATES, INC.
Mailing Address 2201 E LAMAR BLVD., SUITE 200E
ARLINGTON, TX 76006
Firm Phone (817)467-7700

Areas of Certification
1.4.1 LAND PLANNING/ENGINEERING
2.4.1 NATIONWIDE PERMIT
3.1.1 ROUTE STUDIES & SCHEMATIC DESIGN - MINOR ROADWAYS
4.1.1 MINOR ROADWAY DESIGN
4.2.1 MAJOR ROADWAY DESIGN
8.1.1 SIGNING, PAVEMENT MARKING AND CHANNELIZATION
9.1.1 BICYCLE AND PEDESTRIAN FACILITY DEVELOPMENT
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



Renewal Status MARCH 15, 2016 ( ACTIVE )
Firm Name WILLIAM SELF ASSOCIATES, INC.
Mailing Address 206 WEST MAIN STREET, STE 111
ROUND ROCK, TX 78664
Firm Phone (512)394-7477

Areas of Certification
2.10.1 ARCHEOLOGICAL SURVEYS
2.11.1 HISTORICAL AND ARCHIVAL RESEARCH



Renewal Status JANUARY 14, 2016 ( ACTIVE )
Firm Name WILLIS ENVIRONMENTAL ENGINEERING, INC.
Mailing Address 310 MAIN STREET
MARBLE FALLS, TX 78654
Firm Phone (830)693-3566

Areas of Certification
2.4.1 NATIONWIDE PERMIT
2.4.2 INDIVIDUAL PERMITS
3.1.1 ROUTE STUDIES & SCHEMATIC DESIGN - MINOR ROADWAYS
4.1.1 MINOR ROADWAY DESIGN
4.2.1 MAJOR ROADWAY DESIGN
5.1.1 MINOR BRIDGE DESIGN
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



Renewal Status FEBRUARY 18, 2016 ( ACTIVE )
Firm Name WILSON & COMPANY, INC., ENGINEERS & ARCHITECTS
Mailing Address 13105 N W FREEWAY SUITE 825
HOUSTON, TX 77040
Firm Phone (713)934-7070

Areas of Certification
1.1.1 POLICY PLANNING
1.2.1 SYSTEMS PLANNING
1.3.1 SUBAREA/CORRIDOR PLANNING
1.5.1 FEASIBILITY STUDIES
1.6.1 MAJOR INVESTMENT STUDIES
2.4.1 NATIONWIDE PERMIT
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
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
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
8.4.1 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
10.5.1 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
15.3.1 AERIAL MAPPING
15.4.1 HORIZONTAL AND VERTICAL CONTROL FOR AERIAL MAPPING



Renewal Status JANUARY 8, 2016 ( ACTIVE )
Firm Name WILSON SURVEYING COMPANY, INC.
Mailing Address 3330 - 70TH STREET, SUITE 201
LUBBOCK, TX 79413
Firm Phone (806)792-4731

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



Renewal Status APRIL 12, 2016 ( ACTIVE )
Firm Name WINDROSE SURVEYING & LAND SERVICES, LLC DBA WINDROSE LAND SERVICES
Mailing Address 3200 WILCREST DR., SUITE 325
HOUSTON, TX 77042
Firm Phone (713)458-2281

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



Renewal Status MAY 26, 2016 ( ACTIVE )
Firm Name WINKELMANN & ASSOCIATES, INC.
Mailing Address 6750 HILLCREST PLAZA SUITE 325
DALLAS, TX 75230
Firm Phone (972)490-7090

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



Renewal Status FEBRUARY 2, 2016 ( ACTIVE )
Firm Name WISS, JANNEY, ELSTNER ASSOCIATES, INC.
Mailing Address 9511 N. LAKE CREEK PARKWAY
AUSTIN, TX 78717
Firm Phone (512)257-4823

Areas of Certification
3.4.1 MINOR BRIDGE LAYOUTS
3.5.1 MAJOR BRIDGE LAYOUTS
5.1.1 MINOR BRIDGE DESIGN
5.2.1 MAJOR BRIDGE DESIGN
5.4.1 EXOTIC BRIDGE DESIGN
6.1.1 ROUTINE BRIDGE INSPECTION
6.2.1 COMPLEX BRIDGE INSPECTION
11.1.1 ROADWAY CONSTRUCTION MANAGEMENT AND INSPECTION
11.2.1 MAJOR BRIDGE CONSTRUCTION MANAGEMENT AND INSPECTION



Renewal Status MARCH 18, 2016 ( ACTIVE )
Firm Name WOOLPERT, INC.
Mailing Address 4454 IDEA CENTER BOULEVARD
DAYTON, OH 45414-1500
Firm Phone (937)531-1574

Areas of Certification
3.4.1 MINOR BRIDGE LAYOUTS
3.5.1 MAJOR BRIDGE LAYOUTS
5.1.1 MINOR BRIDGE DESIGN
5.2.1 MAJOR BRIDGE DESIGN
8.2.1 ILLUMINATION
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
15.3.1 AERIAL MAPPING
15.4.1 HORIZONTAL AND VERTICAL CONTROL FOR AERIAL MAPPING



Renewal Status APRIL 18, 2016 ( ACTIVE )
Firm Name WPS ENGINEERING
Mailing Address 1401 CAMELBACK
LEANDER, TX 78641
Firm Phone (512)589-1349

Areas of Certification
6.1.1 ROUTINE BRIDGE INSPECTION



Renewal Status MARCH 10, 2016 ( ACTIVE )
Firm Name WRIGHT & DALBIN ARCHITECTS, INC.
Mailing Address 2112 MURCHISON DRIVE
EL PASO, TX 79930
Firm Phone (915)533-3777

Areas of Certification
16.1.1 ARCHITECTURE - BUILDINGS AND OTHER STRUCTURES.



Renewal Status MARCH 11, 2016 ( ACTIVE )
Firm Name WYNNDALCO ENTERPRISES, LLC
Mailing Address 400 NORTH MICHIGAN AVENUE SUITE 500
CHICAGO, IL 60611
Firm Phone (312)256-9090

Areas of Certification
1.2.1 SYSTEMS PLANNING
1.3.1 SUBAREA/CORRIDOR PLANNING
1.5.1 FEASIBILITY STUDIES
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
5.1.1 MINOR BRIDGE DESIGN
5.2.1 MAJOR BRIDGE DESIGN



Renewal Status JANUARY 14, 2016 ( ACTIVE )
Firm Name YVONNE NEWMAN ENGINEERING, INC.
Mailing Address 601 SHELLEY DRIVE, STE. 203
TYLER, TX 75701
Firm Phone (903)581-8551

Areas of Certification
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
4.1.1 MINOR ROADWAY DESIGN
4.2.1 MAJOR ROADWAY DESIGN
4.3.1 COMPLEX HIGHWAY DESIGN
5.1.1 MINOR BRIDGE DESIGN
6.1.1 ROUTINE BRIDGE INSPECTION
7.1.1 TRAFFIC ENGINEERING STUDIES
8.1.1 SIGNING, PAVEMENT MARKING AND CHANNELIZATION
8.2.1 ILLUMINATION
8.3.1 SIGNALIZATION
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
14.3.1 TRANSPORTATION FOUNDATION STUDIES
14.4.1 BUILDING FOUNDATION STUDIES



Renewal Status MARCH 1, 2016 ( ACTIVE )
Firm Name ZAMORA, L.L.C. DBA ZWA
Mailing Address P.O. BOX 1036
BUDA, TX 78610
Firm Phone (512)295-6201

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



Renewal Status MARCH 10, 2016 ( ACTIVE )
Firm Name ZARA ENVIRONMENTAL LLC
Mailing Address 1707 W. FM 1626
MANCHACA, TX 78652
Firm Phone (512)291-4555

Areas of Certification
2.3.1 WETLAND DELINEATION
2.4.1 NATIONWIDE PERMIT
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
2.13.1 HAZARDOUS MATERIALS INITIAL SITE ASSESSMENT



Renewal Status MARCH 7, 2016 ( ACTIVE )
Firm Name ZARINKELK ENGINEERING SERVICES, INC.
Mailing Address 617 CAROLINE STREET
HOUSTON, TX 77002
Firm Phone (832)242-2426

Areas of Certification
1.3.1 SUBAREA/CORRIDOR PLANNING
1.6.1 MAJOR INVESTMENT STUDIES
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
5.1.1 MINOR BRIDGE DESIGN
7.1.1 TRAFFIC ENGINEERING STUDIES
7.4.1 TRAFFIC CONTROL SYSTEMS ANALYSIS, DESIGN AND IMPLEMENTATION
8.1.1 SIGNING, PAVEMENT MARKING AND CHANNELIZATION
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
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



Renewal Status FEBRUARY 25, 2016 ( ACTIVE )
Firm Name ZEPHYR ENVIRONMENTAL CORPORATION
Mailing Address 2600 VIA FORTUNA, SUITE 450
AUSTIN, TX 78746
Firm Phone (512)329-5544

Areas of Certification
1.3.1 SUBAREA/CORRIDOR PLANNING
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
2.13.1 HAZARDOUS MATERIALS INITIAL SITE ASSESSMENT
2.14.1 ENVIRONMENTAL DOCUMENT PREPARATION



Renewal Status JANUARY 27, 2016 ( ACTIVE )
Firm Name ZIA ENGINEERING AND ENVIRONMENTAL CONSULTANTS, LLC
Mailing Address 201 N. CHURCH, SUITE 300
LAS CRUCES, NM 88001
Firm Phone (575)680-2335

Areas of Certification
2.8.1 SURVEYS, RES. & DOC. OF HISTORIC BUILD, STRUCT. AND OBJECTS
2.11.1 HISTORICAL AND ARCHIVAL RESEARCH
2.13.1 HAZARDOUS MATERIALS INITIAL SITE ASSESSMENT



Renewal Status JANUARY 19, 2016 ( ACTIVE )
Firm Name 2M ASSOCIATES, LLC
Mailing Address 5930 PRESTON VIEW BLVD. STE A
DALLAS, TX 75240
Firm Phone (214)663-1377

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
4.1.1 MINOR ROADWAY DESIGN
4.2.1 MAJOR ROADWAY DESIGN
4.3.1 COMPLEX HIGHWAY DESIGN
8.1.1 SIGNING, PAVEMENT MARKING AND CHANNELIZATION
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
10.4.2 PUMP STATION-ELECTRICAL
10.5.1 BRIDGE SCOUR EVALUATIONS AND ANALYSIS
11.1.1 ROADWAY CONSTRUCTION MANAGEMENT AND INSPECTION



Renewal Status JANUARY 15, 2016 ( ACTIVE )
Firm Name 360 PROFESSIONAL SERVICES, INC.
Mailing Address PO BOX 3639
CEDAR PARK, TX 78630
Firm Phone (512)354-4682

Areas of Certification
1.4.1 LAND PLANNING/ENGINEERING
2.5.1 WATER POLLUTION ABATEMENT PLAN
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



Renewal Status FEBRUARY 29, 2016 ( ACTIVE )
Firm Name 360 STRUCTURAL DESIGN, INC.
Mailing Address 2820 LOS ALAMOS COURT
ROUND ROCK, TX 78665
Firm Phone (512)252-8308

Areas of Certification
6.1.1 ROUTINE BRIDGE INSPECTION



Renewal Status JANUARY 11, 2016 ( ACTIVE )
Firm Name 5ENGINEERING, LLC DBA FIVEENGINEERING, LLC
Mailing Address 3535 BRIARPARK, SUITE 210
HOUSTON, TX 77042
Firm Phone (775)775-7701

Areas of Certification
10.1.1 HYDROLOGIC STUDIES
10.2.1 BASIC HYDRAULIC DESIGN
10.3.1 COMPLEX HYDRAULIC DESIGN
10.4.1 PUMP STATION-HYDRAULICS




Updated June 28, 2016