| Business | Phone |
| Albert-Garaudy & Assoc Inc 11200 Westheimer Rd 460, Houston 77042 | (713) 933-1340 |
| Forensic Engineering Ceie Spec 888 W Sam Houston Pkwy S, Houston 77042 | (713) 952-6753 |
| Tennille Consulting Svc 11191 Westheimer Rd 149, Houston 77042 | (713) 975-1896 |
| Urs Corp 400 W Sam Houston Pkwy S # 4a, Houston 77042 | (713) 978-2960 |
| Urs Corp 9801 Westheimer Rd 500, Houston 77042 | (713) 914-6699 |
| Well Test Solutions 10819 Olympia Dr, Houston 77042 | (713) 975-6260 |
| Zachry Project Mgmt & Constlg 10111 Richmond Ave, Houston 77042 | (832) 242-1019 |
| Advanced Reliability Tech 1110 Nasa Rd 1 545, Houston 77058 | (281) 333-3636 |
| Applied Tensor Technologies 11767 Katy Fwy 812, Houston 77079 | (281) 293-8495 |
| Baker & O'Brien Inc 1333 West Loop S, Houston 77027 | (832) 358-1453 |
| Ben A Reid Consulting Group 5071 Cedar Creek Dr, Houston 77056 | (713) 961-3935 |
| Brian Bourg & Assoc 8102 Mobud Dr, Houston 77036 | (713) 771-0923 |
| Burns De Latte & Mc Coy Inc 320 Westcott St 100, Houston 77007 | (713) 861-3016 |
| Camp Dresser & Mc Kee Inc 1800 West Loop S # 1550, Houston 77027 | (713) 850-1921 |
| Cannon Power Systems Llc 8518 Braesdale Ln, Houston 77071 | (713) 774-2818 |
| Carter & Burgess Inc 55 Waugh Dr 800, Houston 77007 | (713) 869-7900 |
| Cdi Engineering Solutions 8552 Katy Fwy, Houston 77024 | (713) 461-1653 |
| Cdi Engineering Solutions 9555 W Sam Houston Pkwy S 100, Houston 77099 | (713) 354-0200 |
| Ch4 4801 Woodway Dr, Houston 77056 | (713) 513-4888 |
| Cive Consulting 11200 Westheimer Rd, Houston 77042 | (281) 870-8727 |
| Cochran Consulting 14935 Kimberley Ln, Houston 77079 | (281) 558-6630 |
| Concrete Technogies Co 2330 Lidstone St, Houston 77023 | (281) 291-7335 |
| Cra Intl 1600 Smith St 4900, Houston 77002 | (713) 646-2200 |
| Crosier & Assoc 7445 Santa Fe Dr, Houston 77061 | (713) 641-4941 |
| D Cubed Svc 1614 Aspen Grove Dr, Houston 77077 | (281) 870-0057 |
| Davidsen Consulting 8106 Green Devon Dr, Houston 77095 | (713) 503-4535 |
| Dha Products Inc 3218 Westwick Dr, Houston 77082 | (281) 497-1730 |
| Dufour Consulting Svc 4007 Park Circle Way, Houston 77059 | (281) 286-4403 |
| Engineers 2000 Inc 4139 E Northampton Pl, Houston 77098 | (713) 524-2445 |
| Erc 3000 Weslayan St, Houston 77027 | (713) 621-5532 |
| Exponent 10899 Kinghurst St 245, Houston 77099 | (281) 879-6161 |
| Floyd Consulting Svc 11811 East Fwy, Houston 77029 | (713) 453-1783 |
| Robert W Greaser Pe 9039 Katy Fwy 314, Houston 77024 | (713) 468-1333 |
| Mintz & Assoc Inc 9606 Weatherwood Dr, Houston 77080 | (713) 468-4032 |
| Gahagan & Bryant Assoc Inc 5757 Woodway Dr # 210, Houston 77057 | (713) 267-2785 |
| Metroplex Core 14423 Cornerstone Village Dr, Houston 77014 | (281) 440-5503 |
| Menon Consortium Inc 3222 Shadywind Dr, Houston 77082 | (281) 589-7022 |
| Maura C Puerto Oil Recovery 2015 Briarstem Dr, Houston 77077 | (281) 497-3292 |
| Marion Randall Consulting 10602 Silverado Trace Dr, Houston 77095 | (832) 643-5706 |
| Grounds Anderson Llc 3801 Kirby Dr 340, Houston 77098 | (832) 613-9800 |
| Halff Associates 3701 Kirby Dr, Houston 77098 | (713) 523-7161 |
| Haring Enterprises 6115 Bankside Dr, Houston 77096 | (713) 988-7307 |
| Lone Star Offshore 502 Briar Knoll Dr, Houston 77079 | (281) 556-1633 |
| Lonestar Strategies 7670 Woodway Dr 110, Houston 77063 | (713) 978-7014 |
| Terracon Consultants Inc 11555 Clay Rd 100, Houston 77043 | (713) 690-8989 |
| Hendrix Group Inc 15823 N Barkers Landing Rd, Houston 77079 | (281) 556-8774 |
| Hershal D Theilen Consulting 5047 Oak Shadows Dr, Houston 77091 | (713) 681-2644 |
| Houher 2k 13123 Hermitage Ln, Houston 77079 | (713) 464-5994 |
| Kentz Usa 610 Teetshorn St, Houston 77009 | (713) 862-4066 |
| Kimley-Horn & Assoc Inc 12012 Wickchester Ln 500, Houston 77079 | (281) 597-9300 |
| Ken Bush Consulting 14618 Sandy Creek Dr, Houston 77070 | (281) 251-4975 |
| I Design Solutions 7026 Old Katy Rd, Houston 77024 | (713) 869-1141 |
| K Chen Engineering 6161 Savoy Dr # 310, Houston 77036 | (972) 208-3177 |
| Jfs Enterprises Inc 8051 Bonner Dr 100, Houston 77017 | (713) 644-8704 |
| Jerry Sadler Inc 2109 Branard St, Houston 77098 | (713) 522-5121 |
| J L Anderson & Assoc 11815 Hunkler Dr, Houston 77047 | (713) 734-6910 |
| Atlantic Black 4801 Woodway Dr, Houston 77056 | (713) 964-2706 |
| Multiphase Solutions Inc 16300 Katy Fwy 300, Houston 77094 | (281) 646-1515 |
| Nassau Engineering Corp 18102 Point Lookout Dr, Houston 77058 | (281) 333-4477 |
| ADS Consulting 4045 Linkwood Drive # 628, Houston 77025 | (713) 893-3459 |