22 companies won 36 federal contract awards worth $46.8 million for environmental consulting services (NAICS 541620) in District of Columbia in our record between March 2026 and November 2026. The largest are CDM Federal Programs Corporation, The Cadmus Group LLC, Meca Consulting Inc.
22
companies
36
contract awards
$46.8 million
obligated
| # | Company | UEI | Awards | Obligated | Latest award |
|---|---|---|---|---|---|
| 1 | CDM Federal Programs Corporation | DHS5ZJSFCSH9 | 5 | $14 million | 2026-11-06 |
| 2 | The Cadmus Group LLC | WSEZME8NNBA8 | 8 | $6.9 million | 2026-08-26 |
| 3 | Meca Consulting Inc |
| GW62GNQVKTK4 |
| 1 |
| $4.3 million |
| 2026-09-29 |
| 4 | Dgi-Ati II LLC | XULMC8TJ3RE5 | 1 | $4.1 million | 2026-05-15 |
| 5 | Dawson MCG, Inc. | HS3VC3KDDGJ6 | 1 | $3.5 million | 2026-09-29 |
| 6 | Signature Science LLC | GMK2EG5EDNL7 | 1 | $3.3 million | 2026-09-30 |
| 7 | Agile Facilities Solutions, LLC | D12KU7ZVJJ74 | 1 | $2.9 million | 2026-09-30 |
| 8 | Applied Environmental, Inc. | C18VJNCGKC68 | 2 | $1.2 million | 2026-07-08 |
| 9 | Dewberry Engineers Inc. | K3WDSCEDY1V5 | 1 | $1.1 million | 2026-07-16 |
| 10 | Gulf South Research Corp | NH3HNLDKWHK1 | 2 | $1.1 million | 2026-09-23 |
| 11 | Environmental Resources Management Inc | RV8GF92TK5G4 | 1 | $836,754 | 2026-05-18 |
| 12 | Water, Civil and Environmental Incorporated | ZRZFYMCAMZJ6 | 1 | $732,103 | 2026-07-13 |
| 13 | WSP USA Solutions Inc | GLHZFFJJZ8G2 | 2 | $709,996 | 2026-09-18 |
| 14 | HSG, LLC | W9SABN4VVAG4 | 1 | $700,000 | 2026-04-03 |
| 15 | Clean Harbors Environmental Services Inc | MBMCF42D4CF7 | 1 | $455,039 | 2026-06-14 |
| 16 | Ramboll Americas Engineering Solutions, Inc. | HHL8UYMNHK57 | 1 | $280,795 | 2026-09-09 |
| 17 | Centaur Consulting Group LLC | U91NCLLQ2JV4 | 1 | $196,420 | 2026-07-20 |
| 18 | Mabbett & Associates, Inc. | JACMATCH87S5 | 1 | $150,290 | 2026-04-08 |
| 19 | Shipley Group, Inc., the | KL9EK28KHJK3 | 1 | $110,259 | 2026-08-06 |
| 20 | Amtivo (USA) Inc. | JM5HN7BYSMP5 | 1 | $77,250 | 2026-10-26 |
| 21 | Aerosol Monitoring & Analysis, Inc. | MHLXKMT8AMJ3 | 1 | $34,000 | 2026-11-12 |
| 22 | Dayton Group Inc | JNESHH55NUN5 | 1 | $11,282 | 2026-11-03 |
From USAspending.gov. Award totals are federal obligations, not company revenue.