| Air Quality Associates, Inc. | Tyler | TX | $0 |
| Akc Environment & Infrastructure PLLC | Livonia | MI | $0 |
| Akt Environmental Services, Inc. | Baton Rouge | LA | Subcontractor |
| All Eagle, LLC | Reno | NV | Subcontractor |
| Alpine Remediation, Inc. | Golden | CO | Subcontractor |
| American Abatement, LLC | San Antonio | TX | Subcontractor |
| American Contracting Enterprises Inc. | Mc Kees Rocks | PA | $0 |
| American Environmental & Construction Services, Inc. | Alpharetta | GA | Subcontractor |
| American Enviro Services Inc. | Bakersfield | CA | Subcontractor |
| American Eod Services Inc. | Anaconda | MT | Subcontractor |
| American Integrated Resources, Inc. | Orange | CA | Subcontractor |
| American Vets Abatement Experts LLC | Vernon Rockville | CT | $0 |
| American Waste Management Services Inc. | Warren | OH | Subcontractor |
| Amx Environmental Services, Inc. | Houston | TX | $0 |
| Anderson Environmental Services, Inc. | Jackson | MS | $0 |
| Aor-hgl, LLC | Merritt Island | FL | Subcontractor |
| Apex Development Inc. | Newark | NJ | $0 |
| Applied Natural Sciences, Inc. | Wilmington | NC | $0 |
| Aqg. Air Quality Group Inc. | Philadelphia | PA | $0 |
| Arc Environmental Enterprises, Inc. | Stevensville | MT | $0 |
| Archview Services LLC | Maryland Heights | MO | Subcontractor |
| Arcwood Environmental-long Island, Inc. | Lindenhurst | NY | Subcontractor |
| Ark Remediation LLC | Tallassee | AL | Subcontractor |
| Arma Hawk LLC | Alexandria | LA | $0 |
| Asbestos Inspections & Removal Co. | Indianapolis | IN | $0 |
| Asbestos Instant Response, Inc. | Los Angeles | CA | $0 |
| Asbestos Services, Inc. | Bakersfield | CA | Subcontractor |
| Ase Contracting, Inc. | El Cajon | CA | Subcontractor |
| Ast Environmental Inc. | Springboro | OH | Subcontractor |
| Avedon USA, LLC | Upper Marlboro | MD | $0 |
| A. Vets Demo LLC | Vernon | CT | $0 |
| Awt Environmental Services Inc. | Old Bridge | NJ | Subcontractor |
| Ayuda-qri Joint Venture LLC | Lafayette | CO | Subcontractor |
| Babcock Services Inc. | Kennewick | WA | Subcontractor |
| Bactronix Corp. | Coraopolis | PA | $0 |
| Bako Construction & Restoration, Inc. | East Hanover | NJ | Subcontractor |
| Barco Enterprises, Inc. | White Marsh | MD | Subcontractor |
| Baseline Site Services LLC | Anchorage | AK | Subcontractor |
| Basin Environmental & Safety Technologies, LLC | Oklahoma City | OK | Subcontractor |
| Baystate Contracting Services, Inc. | Springfield | MA | $0 |
| Bayview Environmental Services, Inc. | Oakland | CA | Subcontractor |
| Bay West - Trevet Joint Venture LLC | Saint Paul | MN | $0 |
| BC2 Environmental, LLC | Orange | CA | Subcontractor |
| Bem Systems, Inc. | Anchorage | AK | Subcontractor |
| Beneficial Soil Solutions Inc. | Naples | FL | Subcontractor |
| Best-tec Asbestos Abatement, Inc. | Boynton Beach | FL | Subcontractor |
| Bethel Environmental Solutions LLC | Beltsville | MD | Subcontractor |
| Betts Drilling, Inc. | Adel | GA | Subcontractor |
| Bexar Environmental, Inc. | Lytle | TX | $0 |
| Big Johns Heavy Equipment Inc. | Diamond | MO | $0 |
| Bio Clean, Inc. | Marysville | WA | $0 |
| Blucal | Oakland | CA | $0 |
| Blue River Environmental And Restoration, Inc. | Fairland | IN | Subcontractor |
| Bockmann, LLC | Lincoln | NE | Subcontractor |
| Bouchard Investment Group | Clovis | CA | $0 |
| Bountiful Disaster Cleanup, Inc. | N Salt Lake | UT | $0 |
| Bradley Tanks, Inc. | Danville | CA | Subcontractor |
| Bravo Company Restoration Corporation | Windsor | CA | $0 |
| Bressler's Garage, Inc. | Loganton | PA | Subcontractor |
| Bridges Restoration, LLC | Kelseyville | CA | Subcontractor |
| Brighter Horizons Environmental Corporation | Ayer | MA | Subcontractor |
| Bristol Environmental, LLC | Bristol | PA | Subcontractor |
| Bullseye Abatement Services LLC | Puyallup | WA | Subcontractor |
| Burke Construction | Shingle Springs | CA | $0 |
| BWXT Field Services, LLC | Lynchburg | VA | $0 |
| Cactus Abatement & Demolition, LLC | Roanoke | TX | $0 |
| Calclean, Inc. | Orange | CA | Subcontractor |
| Cal Engineering & Geology, Inc. | Walnut Creek | CA | Subcontractor |
| Capital Energy Group, LLC | Knoxville | TN | Subcontractor |
| Capitol Environmental Services Inc. | Newark | DE | Subcontractor |
| Cardinal Environmental Operations Corp. | Saint Louis | MO | Subcontractor |
| Carlisle Service Company, LLC | Pine Mountain | GA | $0 |
| Carraway Group, Inc. | Columbus | GA | $0 |
| Cascade Remediation Services LLC | Medford | NJ | Subcontractor |
| Castracon, LLC | Draper | UT | $0 |
| Certified Restoration, Inc. | San Diego | CA | $0 |
| Challenger Construction Corporation | Girard | KS | Subcontractor |
| Charter Environmental, Inc. | Boston | MA | $0 |
| Ch - Cape JV | Greenwood Village | CO | $0 |
| Chico, LLC | Cheyenne | WY | $0 |
| Classic Environmental, Inc. | Latham | NY | $0 |
| Clawson Excavating Inc. | Wales | UT | $0 |
| Clean City Corp. | Bryn Mawr | PA | $0 |
| Clear Creek Systems, Inc. | Bakersfield | CA | Subcontractor |
| Coastal Environmental Solutions, Inc. | Medford | NY | Subcontractor |
| Coit Services Of Reno, LLC | Sparks | NV | $0 |
| Colorado Abatement Professionals, Inc. | Denver | CO | $0 |
| Colorado Hazard Control, LLC | Denver | CO | Subcontractor |
| Complete Environmental & Remediation Co. L.L.C. | Purvis | MS | $0 |
| Construction & Abatement Services Inc. | Kansas City | MO | $0 |
| Construction Group International LLC | Woodinville | WA | Subcontractor |
| Cornerstone Environmental Contractors, Inc. | Concord | CA | Subcontractor |
| Cornerstone Gc, LLC | Floresville | TX | $0 |
| Creative Cost Control Corp. | Salem | VA | $0 |
| Cross Environmental Services, Inc. | Zephyrhills | FL | Subcontractor |
| Crystal Creek LLC | Bethany | OK | Subcontractor |
| Cti-emr LLC | Novi | MI | $0 |
| Ct Industrial Services LLC | Jefferson Township | PA | Subcontractor |
| Cti-vnsfs Environmental LLC | Oak Ridge | TN | Subcontractor |
| Cyn Oil Corp. | Stoughton | MA | $0 |
