NAICS 541820 · Professional, Scientific & Technical Services

Professional, Scientific & Technical Services

Open U.S. government contract opportunities classified under NAICS code 541820 in the Professional, Scientific & Technical Services sector.

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ContractTotal Small Business Set-Aside (FAR 19.5)4 days left

Guam Army National Guard Publicity Assistant

https://api.sam.gov/prod/opportunities/v1/noticedesc?noticeid=879fac853c05459eaf637c437e4b7ecd

AgencyDEPT OF DEFENSE

SAM.gov· Posted Jun 4, 2026#W911YU26QA010

ContractTotal Small Business Set-Aside (FAR 19.5)4 days left

Guam Army National Guard Publicity Assistant

https://api.sam.gov/prod/opportunities/v1/noticedesc?noticeid=4de6870651b94243987e4a0fd28f9c28

AgencyDEPT OF DEFENSE

SAM.gov· Posted Jun 3, 2026#W911YU26QA010

ContractTotal Small Business Set-Aside (FAR 19.5)12 days left

Media Relations Assistant Services for the United States Attorney's Office, (USAO) Southern District of Mississippi

https://api.sam.gov/prod/opportunities/v1/noticedesc?noticeid=c308a2484b924e309ee6075d38ff7fb5

AgencyJUSTICE, DEPARTMENT OF

PlaceJackson, MS

SAM.gov· Posted Jun 5, 2026#15JA0526Q00000084

Related NAICS codes

541810Professional, Scientific & Technical Services1 541519Professional, Scientific & Technical Services14 541330Engineering Services14 541990Professional, Scientific & Technical Services9 541715Research & Development in the Physical, Engineering & Life Sciences7 541690Other Scientific & Technical Consulting Services6 541611Administrative & General Management Consulting4 541512Computer Systems Design Services4 541511Custom Computer Programming Services4 541620Professional, Scientific & Technical Services3 541350Professional, Scientific & Technical Services2 541380Professional, Scientific & Technical Services2