ENVIRONMENTAL CONSULTING SERVICES — Federal Contractors (NAICS code 541620)
62 federal contractors under NAICS 541620 — ENVIRONMENTAL CONSULTING SERVICES are published on this site, with $4.60B in combined obligations on file. The largest are Eastern Research Group INC, Lynker CORPORATION, and The Cadmus Group LLC.
| Contractor | State | Obligations on file | Top agency |
|---|---|---|---|
| Eastern Research Group INC | MA | $647.8M | Environmental Protection Agency |
| Lynker CORPORATION | VA | $507.5M | Department of Commerce |
| The Cadmus Group LLC | VA | $334.5M | Environmental Protection Agency |
| Project Enhancement CORPORATION | MD | $277.6M | Department of Energy |
| Hsg, LLC | NV | $229.8M | National Aeronautics and Space Administration |
| S C & a INC | VA | $148.1M | Environmental Protection Agency |
| Consolidated Safety Services INCORPORATED | VA | $136.0M | Department of Commerce |
| Environmental Incentives, INC. | CA | $124.7M | Agency for International Development |
| Vernadero Group INC | AZ | $115.8M | Department of Homeland Security |
| Sol Solutions, LLC | AZ | $85.6M | Department of Defense |
| Gulf South Research CORP | LA | $85.5M | Department of Homeland Security |
| Gryphon Environmental, LLC | CO | $76.3M | General Services Administration |
| Environmental Compliance Consultants, INC. | AK | $68.3M | Department of Defense |
| Environmental Management & Planning Solutions LLC | CO | $66.0M | Department of the Interior |
| Mabbett & Associates, INC. | MA | $65.8M | Department of Veterans Affairs |
| The Solution Foundry, LLC | GA | $62.9M | Department of Defense |
| Environmental Assessment Services, LLC | WA | $62.3M | Department of Defense |
| Bluestone Environmental Group, INC. | PA | $60.8M | Department of Defense |
| Marstel-Day, LLC | VA | $60.0M | Department of Defense |
| Integrated Systems Solutions, INC. | VA | $59.5M | Department of Commerce |
| Weston-Techlaw JV LLC | VA | $56.3M | Environmental Protection Agency |
| Environmental Research Group, L.L.C. | MD | $55.7M | Department of Defense |
| Eco & Associates, INC. | CA | $55.3M | Department of Defense |
| Skeo Solutions, INC | VA | $54.3M | Environmental Protection Agency |
| Lrs Federal LLC | MD | $54.0M | Department of Defense |
| Toeroek Associates, INC. | CO | $49.3M | Environmental Protection Agency |
| Great Lakes Environmental Center, INC | MI | $48.8M | Environmental Protection Agency |
| Haztrain INC | MD | $48.6M | Department of Defense |
| Solv LLC | VA | $48.0M | Department of Agriculture |
| Independent Strategic Management Solutions INC | WA | $43.2M | Department of Energy |
| Sundance Consultants, LLC | ID | $42.1M | Department of the Interior |
| Nelson Engineering CO. | FL | $40.3M | National Aeronautics and Space Administration |
| North Wind Resource Consulting LLC | ID | $40.2M | Department of Defense |
| Ardl INC | IL | $38.3M | Department of Defense |
| Genwest Systems INC | WA | $37.1M | Department of Commerce |
| C.j. Seto Support Services, LLC | CA | $36.8M | Department of Defense |
| Osage Nation Energy Services LLC | OK | $36.3M | Department of Defense |
| Environmental Management Support, INC | MD | $33.0M | Environmental Protection Agency |
| Paleowest LLC | AZ | $32.0M | Department of the Interior |
| Rpi-Css, LLC | SC | $30.0M | Department of Commerce |
| Whitetail Environmental, LLC | OK | $29.7M | Department of Defense |
| Dr Reed & Associates, INC | CO | $29.4M | Department of Defense |
| Association of Consultants and Engineers | MD | $29.2M | Department of Defense |
| Straughan Environmental, INC. | MD | $27.7M | National Aeronautics and Space Administration |
| Environmental Science CORPORATION | — | $25.0M | Department of Defense |
| Research Planning, INC. | SC | $25.0M | Department of Commerce |
| Tierra Right of Way Services LTD | AZ | $24.1M | Department of Homeland Security |
| Neptune and COMPANY, INCORPORATED | CO | $23.7M | Department of Energy |
| First Environment INC | NJ | $21.7M | Department of Defense |
| Sundance Ea Associates Ii | ID | $21.6M | Department of Defense |
| Horsley Witten Group, INC. | MA | $21.4M | Environmental Protection Agency |
| Avanti CORPORATION | VA | $19.2M | Environmental Protection Agency |
| S.s. Papadopulos & Associates, INC. | MD | $19.0M | Environmental Protection Agency |
| Trc Environmental CORPORATION | CT | $17.1M | Department of Transportation |
| Dgi-Ati Ii LLC | MD | $16.1M | Department of Defense |
| Logan Simpson Design INC. | AZ | $15.6M | Department of the Interior |
| Potomac-Hudson Engineering INC | MD | $15.2M | Department of Energy |
| Copperhead Environmental Consulting INC | KY | $14.2M | Department of the Interior |
| Tellus Civic Science CORPORATION | CA | $14.1M | Department of Commerce |
| Ddc 4c, LLC | AZ | $13.2M | Department of the Interior |
| Hamer Environmental LIMITED Partnership | WA | $11.0M | Department of the Interior |
| Atlantic First Industries CORPORATION | NY | $9.0M | Department of Veterans Affairs |
Obligations shown are net federal contract obligations from USAspending.gov, fiscal year(s) currently in this export. See the methodology page for inclusion rules and the publication threshold.