# Environmental consulting services contractors in District of Columbia Source page: https://datainside.ai/directory/industries/541620/dc 22 companies won 36 federal contract awards worth $46,756,659 for environmental consulting services (NAICS 541620) in District of Columbia in our record (2026-03-24 to 2026-11-12). ## Companies winning this work | # | Company | UEI | Awards | Obligated | Latest award | |---|---|---|---|---|---| | 1 | [CDM Federal Programs Corporation](https://datainside.ai/companies/cdm-federal-programs-corporation-b1fb17a47289) | DHS5ZJSFCSH9 | 5 | $14,012,718 | 2026-11-06 | | 2 | [The Cadmus Group LLC](https://datainside.ai/companies/the-cadmus-group-llc-c1d1b6165255) | WSEZME8NNBA8 | 8 | $6,927,466 | 2026-08-26 | | 3 | [Meca Consulting Inc](https://datainside.ai/companies/meca-consulting-inc-10bf8fff7211) | GW62GNQVKTK4 | 1 | $4,287,890 | 2026-09-29 | | 4 | [Dgi-Ati II LLC](https://datainside.ai/companies/dgi-ati-ii-llc-bc5cf239d960) | XULMC8TJ3RE5 | 1 | $4,110,684 | 2026-05-15 | | 5 | [Dawson MCG, Inc.](https://datainside.ai/companies/dawson-mcg-inc-7879d7c7cd2c) | HS3VC3KDDGJ6 | 1 | $3,511,729 | 2026-09-29 | | 6 | [Signature Science LLC](https://datainside.ai/companies/signature-science-llc-9fb977c54392) | GMK2EG5EDNL7 | 1 | $3,283,470 | 2026-09-30 | | 7 | [Agile Facilities Solutions, LLC](https://datainside.ai/companies/agile-facilities-solutions-llc-a4ad9caf6915) | D12KU7ZVJJ74 | 1 | $2,918,669 | 2026-09-30 | | 8 | [Applied Environmental, Inc.](https://datainside.ai/companies/applied-environmental-inc-a05eceecc41e) | C18VJNCGKC68 | 2 | $1,192,037 | 2026-07-08 | | 9 | [Dewberry Engineers Inc.](https://datainside.ai/companies/dewberry-engineers-inc-dfaa9c872c08) | K3WDSCEDY1V5 | 1 | $1,128,783 | 2026-07-16 | | 10 | [Gulf South Research Corp](https://datainside.ai/companies/gulf-south-research-corp-5410b1fa0e17) | NH3HNLDKWHK1 | 2 | $1,089,025 | 2026-09-23 | | 11 | [Environmental Resources Management Inc](https://datainside.ai/companies/environmental-resources-management-inc-5a81145d82a4) | RV8GF92TK5G4 | 1 | $836,754 | 2026-05-18 | | 12 | [Water, Civil and Environmental Incorporated](https://datainside.ai/companies/water-civil-and-environmental-incorporated-959644c74d1c) | ZRZFYMCAMZJ6 | 1 | $732,103 | 2026-07-13 | | 13 | [WSP USA Solutions Inc](https://datainside.ai/companies/wsp-usa-solutions-inc-74f6cc0e58be) | GLHZFFJJZ8G2 | 2 | $709,996 | 2026-09-18 | | 14 | [HSG, LLC](https://datainside.ai/companies/hsg-llc-4e6d52bc2bea) | W9SABN4VVAG4 | 1 | $700,000 | 2026-04-03 | | 15 | [Clean Harbors Environmental Services Inc](https://datainside.ai/companies/clean-harbors-environmental-services-inc-634abf11b3bf) | MBMCF42D4CF7 | 1 | $455,039 | 2026-06-14 | | 16 | [Ramboll Americas Engineering Solutions, Inc.](https://datainside.ai/companies/ramboll-americas-engineering-solutions-inc-c51e0941b08a) | HHL8UYMNHK57 | 1 | $280,795 | 2026-09-09 | | 17 | [Centaur Consulting Group LLC](https://datainside.ai/companies/centaur-consulting-group-llc-40de54a09245) | U91NCLLQ2JV4 | 1 | $196,420 | 2026-07-20 | | 18 | [Mabbett & Associates, Inc.](https://datainside.ai/companies/mabbett-and-associates-inc-d9ded54a34b7) | JACMATCH87S5 | 1 | $150,290 | 2026-04-08 | | 19 | [Shipley Group, Inc., the](https://datainside.ai/companies/shipley-group-inc-the-37f2f10de61b) | KL9EK28KHJK3 | 1 | $110,259 | 2026-08-06 | | 20 | [Amtivo (USA) Inc.](https://datainside.ai/companies/amtivo-usa-inc-89cfd7472d03) | JM5HN7BYSMP5 | 1 | $77,250 | 2026-10-26 | | 21 | [Aerosol Monitoring & Analysis, Inc.](https://datainside.ai/companies/aerosol-monitoring-and-analysis-inc-ce7b9dedf7d9) | MHLXKMT8AMJ3 | 1 | $34,000 | 2026-11-12 | | 22 | [Dayton Group Inc](https://datainside.ai/companies/dayton-group-inc-3cfb9adcd068) | JNESHH55NUN5 | 1 | $11,282 | 2026-11-03 | ## Agencies buying - [Department of Homeland Security](https://datainside.ai/agencies/department-of-homeland-security): $31,477,076, 7 companies - [Department of Defense](https://datainside.ai/agencies/department-of-defense): $5,302,721, 2 companies - [General Services Administration](https://datainside.ai/agencies/general-services-administration): $4,537,363, 3 companies - [Department of Agriculture](https://datainside.ai/agencies/department-of-agriculture): $1,971,144, 3 companies - [Department of Energy](https://datainside.ai/agencies/department-of-energy): $836,754, 1 company - [National Aeronautics and Space Administration](https://datainside.ai/agencies/national-aeronautics-and-space-administration): $700,000, 1 company - [Department of Transportation](https://datainside.ai/agencies/department-of-transportation): $610,813, 1 company - [Department of the Treasury](https://datainside.ai/agencies/department-of-the-treasury): $466,321, 2 companies - [Environmental Protection Agency](https://datainside.ai/agencies/environmental-protection-agency): $300,000, 1 company - [U.S. International Development Finance Corporation](https://datainside.ai/agencies/u-s-international-development-finance-corporation): $280,795, 1 company - [Department of Labor](https://datainside.ai/agencies/department-of-labor): $196,420, 1 company - [Department of Justice](https://datainside.ai/agencies/department-of-justice): $77,250, 1 company ## Cities where the work is - Washington: $46,756,659, 22 companies ## Latest awards | Company | Agency | Obligated | Signed | Record | |---|---|---|---|---| | Aerosol Monitoring & Analysis, Inc. | U.S. Coast Guard | $34,000 | 2026-11-12 | https://www.usaspending.gov/award/CONT_AWD_70ZH0327FMER10001_7008_70Z02324AMER00001_7008 | | CDM Federal Programs Corporation | Environmental Protection Agency | $300,000 | 2026-11-06 | https://www.usaspending.gov/award/CONT_AWD_68HERL27F0043_6800_GS00F085CA_4732 | | Dayton Group Inc | Bureau of Engraving and Printing | $11,282 | 2026-11-03 | https://www.usaspending.gov/award/CONT_AWD_2031ZA27F00038_2041_2031ZA24A00005_2041 | | Amtivo (USA) Inc. | Federal Prison Industries / Unicor | $77,250 | 2026-10-26 | https://www.usaspending.gov/award/CONT_AWD_15UC0C27F00000051_1542_15UC0C26D00000840_1542 | | Signature Science LLC | Federal Emergency Management Agency | $3,283,470 | 2026-09-30 | https://www.usaspending.gov/award/CONT_AWD_70FA9026F00000011_7022_GS00F105CA_4732 | | Agile Facilities Solutions, LLC | U.S. Secret Service | $2,918,669 | 2026-09-30 | https://www.usaspending.gov/award/CONT_AWD_70US0926F2GSA2419_7009_47QRAA26D008J_4732 | | Meca Consulting Inc | Public Buildings Service | $4,287,890 | 2026-09-29 | https://www.usaspending.gov/award/CONT_AWD_47PH5326F0067_4740_GS10F0229U_4730 | | Dawson MCG, Inc. | U.S. Customs and Border Protection | $3,511,729 | 2026-09-29 | https://www.usaspending.gov/award/CONT_AWD_70B01C26C00000161_7014_-NONE-_-NONE- | | Gulf South Research Corp | U.S. Customs and Border Protection | $639,047 | 2026-09-23 | https://www.usaspending.gov/award/CONT_AWD_70B01C26P00000443_7014_-NONE-_-NONE- | | Gulf South Research Corp | U.S. Customs and Border Protection | $449,978 | 2026-09-23 | https://www.usaspending.gov/award/CONT_AWD_70B01C26P00000486_7014_-NONE-_-NONE- | | WSP USA Solutions Inc | Federal Highway Administration | $610,813 | 2026-09-18 | https://www.usaspending.gov/award/CONT_AWD_693JJ326F00099N_6925_693JJ322A000017_6925 | | Ramboll Americas Engineering Solutions, Inc. | U.S. International Development Finance Corporation | $280,795 | 2026-09-09 | https://www.usaspending.gov/award/CONT_AWD_77344426F0116_7700_77344426D0003_7700 | | The Cadmus Group LLC | Federal Emergency Management Agency | $954,410 | 2026-08-26 | https://www.usaspending.gov/award/CONT_AWD_70FB8026F00000064_7022_70FB8025A00000001_7022 | | The Cadmus Group LLC | Federal Emergency Management Agency | $196,613 | 2026-08-26 | https://www.usaspending.gov/award/CONT_AWD_70FB8026F00000075_7022_70FB8025A00000001_7022 | | The Cadmus Group LLC | Federal Emergency Management Agency | $1,216,648 | 2026-08-21 | https://www.usaspending.gov/award/CONT_AWD_70FB8026F00000067_7022_70FB8025A00000001_7022 | | CDM Federal Programs Corporation | Federal Emergency Management Agency | $1,971,719 | 2026-08-20 | https://www.usaspending.gov/award/CONT_AWD_70FA6026F00000012_7022_70FA6023A00000006_7022 | | CDM Federal Programs Corporation | Federal Emergency Management Agency | $7,985,857 | 2026-08-18 | https://www.usaspending.gov/award/CONT_AWD_70FA6026F00000014_7022_70FA6023A00000006_7022 | | The Cadmus Group LLC | Federal Emergency Management Agency | $592,729 | 2026-08-10 | https://www.usaspending.gov/award/CONT_AWD_70FB8026F00000063_7022_70FB8025A00000001_7022 | | Shipley Group, Inc., the | Under Secretary for Farm and Foreign Agricultural Services | $110,259 | 2026-08-06 | https://www.usaspending.gov/award/CONT_AWD_12FPC426F0064_12D0_47QRAA19D00CF_4732 | | The Cadmus Group LLC | Federal Emergency Management Agency | $1,998,849 | 2026-07-31 | https://www.usaspending.gov/award/CONT_AWD_70FB8026F00000058_7022_70FB8025A00000001_7022 | | CDM Federal Programs Corporation | Federal Emergency Management Agency | $1,000,000 | 2026-07-29 | https://www.usaspending.gov/award/CONT_AWD_70FA6026F00000018_7022_70FA6023A00000006_7022 | | WSP USA Solutions Inc | Public Buildings Service | $99,183 | 2026-07-28 | https://www.usaspending.gov/award/CONT_AWD_47PH5426F0209_4740_47PB0125A0001_4740 | | The Cadmus Group LLC | Federal Emergency Management Agency | $549,717 | 2026-07-24 | https://www.usaspending.gov/award/CONT_AWD_70FB8026F00000060_7022_70FB8025A00000001_7022 | | Centaur Consulting Group LLC | Office of the Assistant Secretary for Administration and Management | $196,420 | 2026-07-20 | https://www.usaspending.gov/award/CONT_AWD_1605C126F00022_1605_47QRAA22D00DL_4732 | | Dewberry Engineers Inc. | Under Secretary for Farm and Foreign Agricultural Services | $1,128,783 | 2026-07-16 | https://www.usaspending.gov/award/CONT_AWD_12FPC426F0052_12D0_12FPC424A0028_12D0 | Data: DataInside, from USAspending.gov. Award totals are federal obligations, not company revenue.