| Contractor | Business Size |
| ASM Affiliates, Incorporated 2034 Corte Del Nogal Carlsbad, CA, 92011-1410 (760) 804-5757 |
Small |
| Ecological Communication Corporation 4009 Banister Lane Suite 300 Austin, TX, 78704-6853 (512) 329-0031 |
Small |
| Historical Research Associates, Incorporated 909 N Beech St Suite B Portland, OR, 97227-1116 (406) 721-1958 |
Small |
| MIRA Facilities Management LLC 8201 Lockheed Drive Suite 110 El Paso, TX, 79925-2558 (915) 546-4111 |
Small |
| New South Associates, Incorporated 6150 E Ponce De Leon Avenue Stone Mountain, GA, 30083-2253 (770) 498-4155 |
Small |
| Paleowest, LLC 649 N 3rd Avenue Phoenix, AZ, 85003-1522 (602) 261-7253 |
Small |
| PanAmerican Consultants, Incorporated 2301 Paul W Bryant Drive Tuscaloosa, AL, 35401-1064 (205) 556-3096 |
Small |
| The Ottery Group, Incorporated 3420 Morningwood Drive Suite 100 Olney, MD, 20832-2260 (301) 562-1975 |
Small |
| Contractor | Business Size |
| Aerostar Environmental Services, Incorporated 11181 St. Johns Industrial Jacksonville, Florida 32246 (904) 565-2820 |
Small |
| AH Environmental Consultants
804 Omni Boulevard, Suite 201 Newport News, Virginia 23606 (757) 873-4959 |
Small |
| Analytical Services, Incorporated 8600 Snowden River Parkway, Suite 300 Columbia, Maryland 21045 (410) 312-3535 |
Small |
| Battelle Memorial Institute Corporate Operations 505 King Avenue Columbus, Ohio 43201 (614) 424-5447 |
Large |
| CH2MHill, Incorporated 1000 Abernathy Road, Suite 1600 Atlanta, Georgia 30328 (770) 604-9095 |
Large |
| Clover Leaf Environmental Solutions, Incorporated 11005 Spain Road, NE Albuquerque, New Mexico 87111 (505) 314-0682 |
Small |
| Environmental Consulting and Training Services (ECATS) 1100 Marion Street, Suite 301 Knoxville, Tennessee 37921 (856) 521-9898 |
Small |
| Northgate Environmental Management, Incorporated 300 Frank H. Ogawa Plaza, Suite 510 Oakland, California 94612 (510) 839-0688 x 214 |
Small |
| SSRM Science & Technology, LLC 4924 1st Avenue N. Birmingham, Alabama 35222 (205) 595-8188 x 803/801 |
Small |
| Science Applications International Corporation (SAIC) 151 Lafayette Drive Oak Ridge, Tennessee 37831 (865) 481-4617 |
Large |
| Veetech, P.C 113 Centrewest Court Cary, North Carolina 27513 (919) 388-0037 x 102 |
Small |