NAICS codes / 541620
NAICS 541620: Environmental Consulting Services — open federal opportunities
18 open notices on SAM.gov. Top buyers: DEPT OF DEFENSE (9), AGRICULTURE, DEPARTMENT OF (5), VETERANS AFFAIRS, DEPARTMENT OF (3), ENVIRONMENTAL PROTECTION AGENCY (1).
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Pine Bluff Arsenal Testing, Lab and Engineering Services
DEPT OF DEFENSE · DEPT OF THE ARMY · Combined Synopsis/Solicitation · posted Oct 30, 2026
USDA Forest Service Dakota Skipper Habitat Survey and Mapping
AGRICULTURE, DEPARTMENT OF · FOREST SERVICE · Combined Synopsis/Solicitation · posted Oct 29, 2026
F--Request for Comments for Draft PWS EPA OCSPP
ENVIRONMENTAL PROTECTION AGENCY · ENVIRONMENTAL PROTECTION AGENCY · Special Notice · posted Oct 29, 2026
NAICS 541620Due Nov 16, 2026
Pine Bluff Arsenal Testing, Lab and Engineering Services
DEPT OF DEFENSE · DEPT OF THE ARMY · Combined Synopsis/Solicitation · posted Oct 29, 2026
Pine Bluff Arsenal Testing, Lab and Engineering Services
DEPT OF DEFENSE · DEPT OF THE ARMY · Combined Synopsis/Solicitation · posted Oct 29, 2026
Pine Bluff Arsenal Testing, Lab and Engineering Services
DEPT OF DEFENSE · DEPT OF THE ARMY · Combined Synopsis/Solicitation · posted Oct 29, 2026
Phase I Environmental Site Assessment at Lower Grey Cloud Slough Islands
DEPT OF DEFENSE · DEPT OF THE ARMY · Solicitation · posted Oct 29, 2026
Notice of Intent to Award a BPA Call Order against The Land Management Integrated Resources BPA (LMIR), Caribou-Targhee NF
AGRICULTURE, DEPARTMENT OF · FOREST SERVICE · Special Notice · posted Oct 28, 2026
H941--Chemical Hoods & HEPA PM
VETERANS AFFAIRS, DEPARTMENT OF · VETERANS AFFAIRS, DEPARTMENT OF · Combined Synopsis/Solicitation · posted Oct 27, 2026
F108--657A4-21-800 - VPIH Services for Remove and Replace End of Life Heating, Ventilation and Air Conditioning Construction
VETERANS AFFAIRS, DEPARTMENT OF · VETERANS AFFAIRS, DEPARTMENT OF · Presolicitation · posted Oct 27, 2026
Core Environmental Compliance Support Services – Darby Military Community (DMC), USAG Italy
DEPT OF DEFENSE · DEPT OF THE ARMY · Presolicitation · posted Oct 27, 2026
Notice of Intent to solicit a single source – Fish and Macroinvertebrate (Nekton) Monitoring (St. Johns River)
DEPT OF DEFENSE · DEPT OF THE ARMY · Special Notice · posted Oct 27, 2026
USDA Forest Service Dakota Skipper Habitat Survey and Mapping
AGRICULTURE, DEPARTMENT OF · FOREST SERVICE · Combined Synopsis/Solicitation · posted Oct 22, 2026
USDA Forest Service Dakota Skipper Habitat Survey and Mapping
AGRICULTURE, DEPARTMENT OF · FOREST SERVICE · Combined Synopsis/Solicitation · posted Oct 21, 2026
USDA Forest Service Dakota Skipper Habitat Survey and Mapping
AGRICULTURE, DEPARTMENT OF · FOREST SERVICE · Combined Synopsis/Solicitation · posted Oct 21, 2026
Requirement to support the Formerly Used Defense Sites (FUDS) Program Single Award Task Order Contract (SATOC)
DEPT OF DEFENSE · DEPT OF THE ARMY · Sources Sought · posted Oct 20, 2026
H346--Legionella Water Testing
VETERANS AFFAIRS, DEPARTMENT OF · VETERANS AFFAIRS, DEPARTMENT OF · Combined Synopsis/Solicitation · posted Oct 13, 2026
Fort Leavenworth Underground Fuel Tank Testing and Repair Services
DEPT OF DEFENSE · DEPT OF THE ARMY · Sources Sought · posted Oct 7, 2026
Related NAICS codes (industry group 5416)
- 541611 Administrative Management and General Management Consulting Services (39 open)
- 541690 Other Scientific and Technical Consulting Services (22 open)
- 541614 Process, Physical Distribution, and Logistics Consulting Services (12 open)
- 5416 Management, Scientific, and Technical Consulting Services (5 open)
- 541612 Human Resources Consulting Services (4 open)
- 541618 Other Management Consulting Services (3 open)
- 541613 Marketing Consulting Services (1 open)
How NAICS codes decide small business size: NAICS codes for small business · notice types explained · set-asides