NAICS 541620 · Professional, Scientific & Technical Services

Professional, Scientific & Technical Services

Open U.S. government contract opportunities classified under NAICS code 541620 in the Professional, Scientific & Technical Services sector.

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Currently-open contracts and grants under NAICS 541620.

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Contract2 days left

Technical Support Services for National Environmental Policy Act (NEPA) compliance associated with a new Site-Wide Environmental Assessment (SWEA)

https://api.sam.gov/prod/opportunities/v1/noticedesc?noticeid=df2dca4318f64b34a3b3af7bd8058434

AgencyENERGY, DEPARTMENT OF

SAM.gov· Posted Jun 4, 2026#89233126QNA000465

ContractTotal Small Business Set-Aside (FAR 19.5)5 days left

Industrial Hygiene Surveys Central NC

https://api.sam.gov/prod/opportunities/v1/noticedesc?noticeid=c21b9c6a83194bdbaac10c75f0760d73

AgencyDEPT OF DEFENSE

SAM.gov· Posted Jun 5, 2026#W91242-26-Q-0099

Past award480 days left

ENVIRONMENTAL COMPLIANCE CONSULTANTS, INC. — HAZARDOUS / NON-HAZARDOUS WASTE DISPOSAL BPA CALL

HAZARDOUS / NON-HAZARDOUS WASTE DISPOSAL BPA CALL

AgencyDepartment of the Interior

NAICS541620 · ENVIRONMENTAL CONSULTING SERVICES

USASpending.gov· Posted Oct 1, 2026#140R1726F0003

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Past award480 days left

ENVIRONMENTAL COMPLIANCE CONSULTANTS, INC. — HAZARDOUS / NON-HAZARDOUS WASTE DISPOSAL BPA CALL

HAZARDOUS / NON-HAZARDOUS WASTE DISPOSAL BPA CALL

AgencyDepartment of the Interior

NAICS541620 · ENVIRONMENTAL CONSULTING SERVICES

USASpending.gov· Posted Oct 1, 2026#140R1726F0003

Related NAICS codes

541690Other Scientific & Technical Consulting Services6 541611Administrative & General Management Consulting4 541614Professional, Scientific & Technical Services1 541519Professional, Scientific & Technical Services14 541330Engineering Services14 541990Professional, Scientific & Technical Services9 541715Research & Development in the Physical, Engineering & Life Sciences7 541512Computer Systems Design Services4 541511Custom Computer Programming Services4 541820Professional, Scientific & Technical Services3 541350Professional, Scientific & Technical Services2 541380Professional, Scientific & Technical Services2