| Business | Phone |
| Ast Environmental Inc 4635 Southwest Fwy 525, Houston 77027 | (713) 627-9278 |
| Vanguard Environmental Inc 7447 Harwin Dr, Houston 77036 | (713) 777-9280 |
| Certified Lvi Environ Svc Inc 10500 Telephone Rd, Houston 77075 | (713) 991-4065 |
| Enact Inc 3203 Edloe St 200, Houston 77027 | (713) 623-6650 |
| Epilepsy Foundation Of Se Tx 2640 Fountain View Dr, Houston 77057 | (713) 839-2950 |
| Enviro-Con Svc 4916 Highway 6 N, Houston 77084 | (281) 855-9679 |
| Environmental Interiors 18105 Lee Rd, Houston 77073 | (281) 821-3985 |
| Marineclean 8201 E Erath St, Houston 77012 | (713) 928-2022 |
| Intertek Westport Tech Ctr 6700 Portwest Dr, Houston 77024 | (713) 479-8400 |
| Apollo Environmental Strtgs 915 Franklin St 6m, Houston 77002 | (713) 223-0113 |
| Elkins Foundation 1001 Fannin St 1166, Houston 77002 | (713) 652-2052 |
| Irlas Environmental Svc Houston 77002 | (832) 593-7430 |
| Regulatory Compliance Partners 601 Jefferson St 305, Houston 77002 | (713) 655-8080 |
| Texas Foundation For The Arts 1400 Hermann Dr, Houston 77004 | (713) 529-0787 |
| Wesley Foundation 3811 Sampson St, Houston 77004 | (713) 748-7475 |
| Gulf Hydrocarbon 2472 Bolsover St, Houston 77005 | (713) 523-7755 |
| Valley Tank Testing 2825 Quenby Ave, Houston 77005 | (713) 668-6997 |
| Oliver Foundation-Hlth & Aging 5535 Memorial Dr F256, Houston 77007 | (713) 862-7899 |
| Psi 1714 Memorial Dr, Houston 77007 | (713) 224-2047 |
| Regal Environmental Svc Inc 2611 Arabelle St, Houston 77007 | (713) 862-8973 |
| Circle Environmental 3377 W 11th St, Houston 77008 | (713) 864-9988 |
| Phase Engineering Inc 335 W 21st St, Houston 77008 | (281) 469-2242 |
| Practical Science Institute 1507 Hamblen St, Houston 77009 | (713) 692-1420 |
| Salners Family Foundation 1003 Woodland St, Houston 77009 | (713) 426-3611 |
| Ripley & Ripley Foundation 1221 Mckinney St 3030, Houston 77010 | (713) 651-1976 |
| Biosolid Distribution Svc 14550 Torrey Chase Blvd, Houston 77014 | (832) 375-1911 |
| G & S Environmental Svc 11203 Lilleux Rd, Houston 77067 | (281) 447-9911 |
| Usa Environmental 10234 Lucore St, Houston 77017 | (713) 425-6911 |
| Usa Environmental 10217 Steelman St, Houston 77017 | (713) 920-0903 |
| Axys Industrial Solutions 3004 Yale St, Houston 77018 | (713) 863-8588 |
| Reid Esc Inc 9521 Westheimer Rd, Houston 77063 | (713) 780-1940 |
| Office Of Environmental Safety 3325 Yellowstone Blvd, Houston 77021 | (713) 741-8030 |
| Rhj & Assoc 7641 South Fwy, Houston 77021 | (713) 440-7674 |
| Accelovance 800 Gessner Rd, Houston 77024 | (713) 932-1234 |
| Npd Research 820 Gessner Rd 830, Houston 77024 | (713) 461-0017 |
| Project Navigator Ltd 10497 Town & Country Way 830amp;, Houston 77024 | (713) 468-5004 |
| Young Survival Coalition Houston 77024 | (713) 468-3575 |
| T K Environmental & Consulting 3903 Bellaire Blvd, Houston 77025 | (713) 838-1505 |
| Qrillc 2200 West Loop S, Houston 77027 | (713) 333-4601 |
| Riserclad International Inc 1700 West Loop S, Houston 77027 | (713) 552-1033 |
| Riserclad International Inc 1233 West Loop S 1260, Houston 77027 | (713) 623-8233 |
| Schull Institute 2425 West Loop S, Houston 77027 | (713) 621-4423 |
| Yang Research Ctr Inc 4728 W Alabama St, Houston 77027 | (713) 888-0318 |
| Isolagen Inc 11275 S Sam Houston Pkwy W, Houston 77031 | (281) 310-6300 |
| Rohrback Cosasco Sys Inc 1408 N Sam Houston Pkwy E 146, Houston 77032 | (281) 219-8200 |
| Team Of Champions 5306 Malmedy Rd, Houston 77033 | (713) 734-0291 |
| Sage Environmental 12727 Featherwood Dr, Houston 77034 | (281) 484-6200 |
| Texas Environmental Air Mntrng 12727 Featherwood Dr 115, Houston 77034 | (281) 922-4422 |
| Urs Corp 15255 Gulf Fwy, Houston 77034 | (281) 481-8385 |
| Quantum Environmental 11246 S Post Oak Rd, Houston 77035 | (713) 961-9975 |
| Foundation Latino Americana 6666 Harwin Dr 370, Houston 77036 | (713) 781-4725 |
| Innovative Electronics 7707 Hiawatha Dr, Houston 77036 | (713) 776-2508 |
| Pine Environmental Svc Inc 10611 Harwin Dr 416, Houston 77036 | (713) 981-7463 |
| Us Brand Ind & Environment Inc 6100 Corporate Dr, Houston 77036 | (713) 995-7091 |
| Vel-Lab Research 6620 Harwin Dr, Houston 77036 | (713) 975-0644 |
| Westinghouse-Environmental 1610 Talbrook Dr, Houston 77038 | (281) 931-6350 |
| Layne Christensen Co 6718 Northwinds Dr, Houston 77041 | (713) 849-2204 |
| Product Recovery Management 5213 Tacoma Dr C, Houston 77041 | (713) 466-8649 |
| Synagro Technologies Inc 4512 Brittmoore Rd, Houston 77041 | (832) 467-1212 |
| Benham Co Inc 9800 Richmond Ave, Houston 77042 | (832) 252-1144 |
| Continental Carbon Co Prod Dev 10655 Richmond Ave 100, Houston 77042 | (713) 975-5800 |
| Inc Ska 10260 Westheimer Rd 460, Houston 77042 | (713) 266-6540 |
| James H Spence 2011 Chaparral Dr, Houston 77043 | (713) 984-9792 |
| Opt Iii Environmental 1650 W Sam Houston Pkwy N, Houston 77043 | (713) 461-2922 |
| Reservoirs Environmental Svc 1147 Brittmoore Rd 112, Houston 77043 | (713) 932-0015 |
| Trc Environmental Corp 2313 W Sam Houston Pkwy N, Houston 77043 | (713) 821-7000 |
| Woods Hole Group Inc 1640 W Sam Houston Pkwy N, Houston 77043 | (713) 468-5075 |
| Enviro-Clean 14205 Garrett Rd, Houston 77044 | (281) 456-9077 |
| Patron Development 3816 Bluebonnet Dr, Houston 77053 | (713) 434-8701 |
| Polyorganix Inc 8159 Almeda Rd, Houston 77054 | (713) 747-1887 |
| Seqwright Inc 2575 W Bellfort St, Houston 77054 | (713) 669-0429 |
| Spectral Genomics 8080 N Stadium Dr, Houston 77054 | (713) 797-0429 |
| Visigen Biotechnologies Inc 2575 W Bellfort St, Houston 77054 | (713) 665-9900 |
| Viswa Lab 8413 Almeda Rd S, Houston 77054 | (713) 842-1985 |
| Ruby's Wig Salon 1515 Bingle Rd, Houston 77055 | (713) 464-3767 |
| Suncoast Environmental & Cnstr 1410 Blalock Rd 342, Houston 77055 | (713) 392-6351 |
| B G 5444 Westheimer Rd, Houston 77056 | (713) 599-4500 |
| Haz Scan 5353n W Alabama St 303, Houston 77056 | (713) 789-0288 |
| Ria Enterprise 5636 San Felipe St, Houston 77056 | (281) 496-7366 |
| Titleist Environmental Svc 5353 W Alabama St, Houston 77056 | (713) 960-0579 |
| Rose Ribbon Foundation 1003 Briarmead Dr, Houston 77057 | (713) 984-0079 |
| Second Baptist School 6363 Woodway Dr 840, Houston 77057 | (713) 952-9968 |
| Sharon Kay Foundation Bus Ofc 5639 Dorles B, Houston 77057 | (713) 278-0522 |
| Specialty Technical 6219 Chevy Chase Dr, Houston 77057 | (713) 532-2001 |
| Susan G Komen Breast Cancer 2425 Fountain View Dr, Houston 77057 | (713) 266-7658 |
| Z Lab 6303 Beverlyhill St, Houston 77057 | (281) 435-6335 |
| Alpha Technical Svc Corp 5100 Underwood Rd, Houston 77058 | (281) 291-7453 |
| Envirostream Llc 1301 Regents Park Dr, Houston 77058 | (281) 286-2009 |
| Separation Systems Consultants 17041 El Camino Real 200, Houston 77058 | (281) 486-1943 |
| Trc Environmental Conslnt Inc 8333 Egret Bay Blvd, Houston 77058 | (281) 333-0018 |
| Waid & Assoc Inc 1120 Nasa Rd 1 630, Houston 77058 | (281) 333-9990 |
| Sestech Environmental 650 N Sam Houston Pkwy E, Houston 77060 | (832) 295-0010 |
| Synagro Technologies Inc 11811 North Fwy, Houston 77060 | (281) 591-4780 |
| Tct Environmental Inc 16630 Imperial Valley Dr 126, Houston 77060 | (281) 445-3310 |
| Rivendell Consultants 15179 Diana Ln, Houston 77062 | (281) 488-0606 |
| Tex-Med Beef Co 8130 Westglen Dr, Houston 77063 | (713) 266-4300 |
| Ultima Labs Inc 8760 Westpark Dr, Houston 77063 | (713) 266-9303 |
| Viking Labs/Honeywell 8440 Westglen Dr, Houston 77063 | (832) 252-3500 |
| Hygeia Enviro Clean Inc 11314 Windfern Rd, Houston 77064 | (281) 970-1500 |
| Polaris Laboratories 10910 W Sam Houston Pkwy N, Houston 77064 | (281) 894-5790 |
| Quantum Environmental 9227 Thomasville Dr, Houston 77064 | (713) 961-7512 |
| Spirit Environmental Llc 17350 State Highway 249, Houston 77064 | (281) 664-2490 |
| Odor & Corrosion Technology 8220 Jones Rd, Houston 77065 | (832) 467-2194 |
| Perennial Environmental Svc 11462 W Travelers Way Cir, Houston 77065 | (281) 807-9770 |
| Storm Water Solutions 12200 Duncan Rd, Houston 77066 | (281) 397-6065 |
| Laidlaw Environmental Svc Inc 515 W Greens Rd, Houston 77067 | (281) 884-7000 |
| Exodo Foundation 15011 Benfer Rd, Houston 77069 | (281) 537-5375 |
| Reardon Environmental 4606 Fm 1960 Rd W 342, Houston 77069 | (281) 781-0030 |
| Response Group 13231 Champion Forest Dr 310, Houston 77069 | (281) 861-6870 |
| Sleepwell Laboratories 18818 State Highway 249, Houston 77070 | (281) 469-6580 |
| Smar Laboratories 10960 Millridge North Dr, Houston 77070 | (713) 849-2021 |
| Technical Response Planning 9720 Cypresswood Dr 340, Houston 77070 | (281) 955-9600 |
| Water Environmental & Tchncl 11811 Turtle Gate Dr, Houston 77070 | (281) 469-0256 |
| Youth Achievement Foundation 11839 S Nottingham Cir, Houston 77071 | (713) 721-0333 |
| Spectracell Laboratories Inc 10401 Town Park Dr, Houston 77072 | (832) 300-3405 |
| Jason Foundation 6500 Hornwood Dr, Houston 77074 | (713) 773-2338 |
| Mobile Kenitics 8200 Wednesbury Ln 290, Houston 77074 | (713) 270-6411 |
| Oceaneering International 2601 Woodland Park Dr, Houston 77077 | (281) 759-4047 |
| Plunkett & Assoc 1223 Melford Dr, Houston 77077 | (281) 493-5702 |
| Portnoy Environmental Inc 1880 S Dairy Ashford St, Houston 77077 | (281) 496-3466 |
| Gti Environmental Inc 11999 Katy Fwy 320, Houston 77079 | (281) 556-8636 |
| Storms & Critz 1202 Dairy Ashford St, Houston 77079 | (281) 497-0332 |
| Rba 16000 Barkers Point Ln 175, Houston 77079 | (281) 497-7979 |
| W A Burns Consulting Svc 758 W Forest Dr, Houston 77079 | (281) 558-1740 |
| Total Support Svc Inc 4125 Hollister St, Houston 77080 | (713) 996-8414 |
| Steacy Environmental Llc Houston 77081 | (713) 432-0322 |
| Tidewater Environmental Svc 11231 Richmond Ave, Houston 77082 | (281) 531-0909 |
| R & C Joy Inc 18035 W Little York Rd, Houston 77084 | (281) 858-5988 |
| R L Miller Contractors 16125 Timber Creek Place Ln, Houston 77084 | (281) 463-6653 |
| S T Environmental Laboratory 16203 Park Row, Houston 77084 | (713) 578-5688 |
| S T Environmental Svc Inc 16337 Park Row, Houston 77084 | (281) 579-4500 |
| Stenbeck & Assoc Inc 16111 Cairnway Dr, Houston 77084 | (281) 345-2340 |
| Usa Environmental Svc Houston 77084 | (281) 492-2202 |
| Sisters Network Houston Chptr 6822 River Bluff Dr, Houston 77085 | (713) 726-0207 |
| Milco Safety Rental 4350 S Wayside Dr 107, Houston 77087 | (713) 634-0819 |
| Teris Lll 4575 S Wayside Dr, Houston 77087 | (713) 643-1702 |
| Paradigm Processing Group 7801 N Shepherd Dr, Houston 77088 | (281) 260-8200 |
| Wayne J Crouch Environmental 12115 Wessex Dr 100, Houston 77089 | (281) 481-5262 |
| Wzi Inc 1000 Fm 1960 Rd W, Houston 77090 | (281) 893-5575 |
| Xin Research Laboratories 250 Pennbright Dr, Houston 77090 | (281) 876-2968 |
| Priority Cleaning 12820 Hempstead Rd, Houston 77092 | (713) 957-9620 |
| Stratus Research Labs 10900 Northwest Fwy, Houston 77092 | (713) 290-8090 |
| Video Aire Enviromold 12820 Hempstead Rd, Houston 77092 | (713) 996-9307 |
| Environmental Developers 1007 Redcedar Ln, Houston 77094 | (281) 398-9240 |
| Severn Trent Svc Inc 10511 Apache Way Dr, Houston 77095 | (281) 256-3281 |
| Technical Disciplines 7171 Highway 6 N, Houston 77095 | (281) 463-6493 |
| Process Data Control Corp 10101 Fondren Rd 246, Houston 77096 | (713) 661-6940 |
| Periwinkle Foundation 3000 Richmond Ave, Houston 77098 | (713) 807-0191 |
| Preschool For All 3800 Buffalo Speedway 300, Houston 77098 | (713) 572-2211 |
| Research For Health Inc 3355 W Alabama St, Houston 77098 | (713) 599-0555 |
| Scenic Texas Inc 3015 Richmond Ave, Houston 77098 | (713) 533-9149 |
| Schumacher Foundation 2701 Revere St, Houston 77098 | (713) 942-9743 |
| Usa Environment Lp Houston 77098 | (713) 834-0311 |
| Ultimate Environments Houston 77099 | (281) 933-7217 |
| Singer Laboratories Inc Po Box 66032, Houston 77266 | (713) 535-3072 |
| Environmental Data Po Box 70437, Houston 77270 | (713) 933-0596 |
| Stehlin Foundation For Cancer 1315 St Joseph Pkwy 1818, Houston 77002 | (713) 659-1336 |
| Toxicology Inc 440 Louisiana St, Houston 77002 | (713) 222-2127 |
| Stehlin Foundation For Cancer 1918 Chenevert St, Houston 77003 | (713) 756-5750 |
| Pan American Cultural Exchange 1608 Haver St, Houston 77006 | (713) 552-9819 |
| Enpro Environmental Pros Inc 401 Studewood St 208, Houston 77007 | (713) 868-2770 |
| Records Research & Svc 601 Sawyer St, Houston 77007 | (713) 977-3747 |
| Roger Clemens Foundation 230 Westcott St 122, Houston 77007 | (713) 532-0021 |
| Techno-Economic Svc Co 2150 W 18th St 220, Houston 77008 | (713) 802-9985 |
| Portagas Inc 6717 Polk St, Houston 77011 | (713) 928-6477 |
| Quad Environmental Svc 10201 Lucore St, Houston 77017 | (713) 477-6460 |
| Rbc Technology 303 Garden Oaks Blvd, Houston 77018 | (713) 692-0882 |
| Ray C Fish Foundation 2001 Kirby Dr 1005, Houston 77019 | (713) 522-0741 |
| Stewart Automotive Research 1260 Shotwell St, Houston 77020 | (713) 675-3244 |
| O'Brien's Group 9575 Katy Fwy 330, Houston 77024 | (713) 647-7109 |
| Source Environmental Sciences 4100 Westheimer Rd 106, Houston 77027 | (713) 621-4474 |
| Technology Serving People Inc 2511 Willowick Rd 229, Houston 77027 | (713) 781-9067 |
| Texas Business Hall Of Fame 4550 Post Oak Place Dr 342, Houston 77027 | (713) 993-9433 |
| Retina Research Foundation 6560 Fannin St 2200, Houston 77030 | (713) 797-1925 |
| Transplantation Research Fndtn Houston 77030 | (713) 790-0003 |
| Tx Cancer Data Ctr 1020 Holcombe Blvd 4440, Houston 77030 | (713) 792-2277 |
| Williamson & Assoc Inc 15615 Lee Rd, Houston 77032 | (281) 987-8783 |
| Geotechnical & Environmental 10615 Shadow Wood Dr, Houston 77043 | (713) 465-4084 |
| Tetra Tech Nus 2315 W Sam Houston Pkwy N, Houston 77043 | (713) 647-8324 |
| Seq Wright 2575 W Bellfort St 2001, Houston 77054 | (713) 528-4363 |
| Wilson Environmental Inc 9613 Maribelle Way, Houston 77055 | (713) 468-3323 |
| Psc Industrial Svc Group 5151 San Felipe St 1600, Houston 77056 | (713) 623-8777 |
| Ram Group Inc 5433 Westheimer Rd, Houston 77056 | (713) 784-5151 |
| Women's Research-Grtr Houston 2200 Post Oak Blvd 50, Houston 77056 | (713) 667-4493 |
| Piendel Group Inc 654 S Ripple Creek Dr, Houston 77057 | (713) 468-1721 |
| Synagro Technologies Inc 1800 Bering Dr 1000, Houston 77057 | (713) 369-1700 |
| Unovate Environmental Svc 3013 Fountain View Dr 110, Houston 77057 | (713) 784-9955 |
| Resochem Corp 16630 Imperial Valley Dr 156, Houston 77060 | (281) 999-6111 |
| Visiting Angels 363 N Sam Houston Pkwy E 1100, Houston 77060 | (281) 820-7885 |
| Sisters Network Inc 8787 Woodway Dr 4206, Houston 77063 | (713) 781-0255 |
| Shea Consulting 11503 Glen Lane Ct, Houston 77066 | (281) 537-2327 |
| Real Estate Environmental Inc 6811 Ashmore Dr, Houston 77069 | (281) 893-8213 |
| Triumph Adhesives & Coatings 6418 Gladewell Dr, Houston 77072 | (281) 575-9010 |
| Squyres Environmental Consltng 16534 N Mist Dr, Houston 77073 | (281) 443-0845 |
| Terratherm Environmental Svc 19510 Oil Center Blvd, Houston 77073 | (281) 925-0400 |
| Petra Environmental 1500 S Dairy Ashford St 190, Houston 77077 | (281) 497-1230 |
| Sound Environmental Solutions 11111 Katy Fwy 1004, Houston 77079 | (713) 973-6085 |
| Trinity Environmental Svc 15995 N Barkers Landing 285, Houston 77079 | (281) 493-1749 |
| Texas Reading Institute 11271 Richmond Ave, Houston 77082 | (281) 293-7904 |
| Xenco Software Inc 11381 Meadowglen Ln L, Houston 77082 | (281) 589-0692 |
| Able Environmental Specialty 5404 Cedar Crest St, Houston 77087 | (713) 640-2595 |
| Saga Lab 11206 Sagevalley Dr, Houston 77089 | (281) 262-2267 |
| Waste Microbes Inc 4901 Milwee St 109, Houston 77092 | (713) 956-5495 |
| Verde Environmental 9223 Eastex Fwy, Houston 77093 | (713) 691-6468 |
| Warren Corp Hiv-Aids Fndtn 10600 Fondren Rd 104, Houston 77096 | (713) 541-9777 |
| Spice Technologies Inc 2105 South Blvd, Houston 77098 | (713) 521-1340 |
| Tetra Tech 3334 Richmond Ave 200, Houston 77098 | (713) 520-7667 |
| Syntios Unlimited 13023 Lima Dr, Houston 77099 | (281) 561-0158 |
| Texas Ctr-Superconductivity 3201 Cullen Blvd 202, Houston 77204 | (713) 743-8200 |