223 companies won 499 federal contract awards worth $404 million for environmental consulting services (NAICS 541620) in our record between March 2026 and November 2026. The largest are Vernadero Group Inc, The Cadmus Group LLC, Gulf South Research Corp.
223
companies
499
contract awards
$404 million
obligated
| # | Company | UEI | Awards | Obligated | Latest award |
|---|---|---|---|---|---|
| 1 | Vernadero Group Inc | VY3HMUNVRJK9 | 6 | $27.7 million | 2026-08-28 |
| 2 | The Cadmus Group LLC | WSEZME8NNBA8 | 16 | $25.3 million | 2026-11-04 |
| 3 | Gulf South Research Corp |
| NH3HNLDKWHK1 |
| 7 |
| $21.8 million |
| 2026-09-25 |
| 4 | Eco & Associates, Inc. | M84HCG8KLS98 | 4 | $16.5 million | 2026-09-17 |
| 5 | Weston Solutions Inc | Z4XGALW7L9K6 | 18 | $16.2 million | 2026-10-21 |
| 6 | CDM Federal Programs Corporation | DHS5ZJSFCSH9 | 6 | $14.7 million | 2026-11-06 |
| 7 | Toeroek Associates, Inc. | M73YRKYDXMC7 | 13 | $13 million | 2026-09-17 |
| 8 | Eastern Research Group Inc | DK4TBEJRAR56 | 24 | $11.6 million | 2026-11-09 |
| 9 | Sundance Consultants, LLC | FTDHBDUWJMA5 | 8 | $10.2 million | 2026-09-21 |
| 10 | Environmental Management Support, Inc | P7NBL1A5NNK8 | 8 | $9.6 million | 2026-10-23 |
| 11 | Gryphon Environmental, LLC | LLZKJ9N8GB18 | 1 | $8.9 million | 2026-04-14 |
| 12 | Tetra Tech, Inc. | LMRMKLLL3LG5 | 8 | $8.1 million | 2026-09-15 |
| 13 | WSP USA Solutions Inc | GLHZFFJJZ8G2 | 5 | $6.8 million | 2026-09-25 |
| 14 | Tetra Tech, Inc. | W4NLBJHRP7H3 | 8 | $6.6 million | 2026-10-05 |
| 15 | Consolidated Safety Services Incorporated | DFAEDF67P941 | 4 | $6.4 million | 2026-09-28 |
| 16 | Vanasse Hangen Brustlin Inc | KJQHMKR62UJ3 | 4 | $6.2 million | 2026-09-25 |
| 17 | Mabbett & Associates, Inc. | JACMATCH87S5 | 21 | $6.2 million | 2026-11-12 |
| 18 | Osage Nation Energy Services LLC | V1U1FNF1LLV4 | 1 | $5.2 million | 2026-06-03 |
| 19 | Stantec Consulting Services Inc. | HAKDPJ5Q18X5 | 4 | $4.8 million | 2026-09-30 |
| 20 | Earth Resources Technology, LLC | DFH4YBBMYMU8 | 4 | $4.8 million | 2026-07-31 |
| 21 | Environmental Management & Planning Solutions LLC | H8GMR61MW2C9 | 5 | $4.6 million | 2026-09-16 |
| 22 | Tierra Right of Way Services LTD | HXM9CGRXH958 | 1 | $4.4 million | 2026-04-29 |
| 23 | Meca Consulting Inc | GW62GNQVKTK4 | 1 | $4.3 million | 2026-09-29 |
| 24 | Dgi-Ati II LLC | XULMC8TJ3RE5 | 1 | $4.1 million | 2026-05-15 |
| 25 | General Dynamics Information Technology, Inc. | SMNWM6HN79X5 | 4 | $4 million | 2026-08-20 |
| 26 | Research Planning, Inc. | CKFZMK7X16M1 | 6 | $3.9 million | 2026-09-14 |
| 27 | Tetra Tech Inc | WL4VMSDRCLR5 | 6 | $3.8 million | 2026-09-17 |
| 28 | Property & Environmental Management Inc | CKWLWBM19FC5 | 1 | $3.8 million | 2026-04-10 |
| 29 | Dawson MCG, Inc. | HS3VC3KDDGJ6 | 2 | $3.8 million | 2026-09-29 |
| 30 | TRC Environmental Corporation | F5F8BNA9WJQ9 | 3 | $3.5 million | 2026-09-21 |
| 31 | Ayuda Companies | M3EFASR74Y88 | 5 | $3.4 million | 2026-07-15 |
| 32 | Signature Science LLC | GMK2EG5EDNL7 | 1 | $3.3 million | 2026-09-30 |
| 33 | DDC 4C, LLC | CVQSGFR6JHQ7 | 1 | $3.1 million | 2026-07-27 |
| 34 | Agile Facilities Solutions, LLC | D12KU7ZVJJ74 | 1 | $2.9 million | 2026-09-30 |
| 35 | Hydrogeologic, Inc. | S7Q4GKNGGA81 | 1 | $2.9 million | 2026-06-12 |
| 36 | S C & A Inc | FD83JSMSL9K1 | 4 | $2.8 million | 2026-09-30 |
| 37 | WSP USA Environment & Infrastructure Inc. | C76NUJZDXL75 | 2 | $2.6 million | 2026-09-30 |
| 38 | Romem Aqua Systems Co Inc | KLC4KC1A6XH3 | 1 | $2.3 million | 2026-10-28 |
| 39 | Air Resource Specialists, Inc | DQM8R4XG8R86 | 2 | $2.3 million | 2026-07-14 |
| 40 | Itms - Ges JV LLC | GHU6DH8ME9M3 | 1 | $2.3 million | 2026-07-16 |
| 41 | Scout Environmental, Inc. | R8U5PTMAFZN7 | 1 | $2.2 million | 2026-04-09 |
| 42 | Q & A Diversified LLC | MT71C7KB5NA7 | 1 | $2.1 million | 2026-08-20 |
| 43 | Independent Strategic Management Solutions Inc | HNDBN7BS9UE3 | 4 | $2 million | 2026-11-02 |
| 44 | Great Lakes Environmental Center, Inc | FKCKEGWMK8K7 | 3 | $2 million | 2026-09-25 |
| 45 | Parymon Corp | L5C9GFPC8LY4 | 3 | $2 million | 2026-09-10 |
| 46 | WSP USA Inc. | LPC6MPU3QA65 | 5 | $1.9 million | 2026-10-23 |
| 47 | Ack3 Consulting, LLC | CCAUB5YJQV85 | 5 | $1.9 million | 2026-10-22 |
| 48 | Tellus Civic Science Corporation | S1YUNJR5QL11 | 7 | $1.8 million | 2026-07-10 |
| 49 | Ses Inc. | P99LC29ZLND3 | 2 | $1.8 million | 2026-09-28 |
| 50 | Cardinal Point Captains, Inc. | GC4LJKJ6UWS9 | 1 | $1.8 million | 2026-09-15 |
From USAspending.gov. Award totals are federal obligations, not company revenue.