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GSA · NAICS 541990

GSA All Other Professional, Scientific, and Technical Services contracts

21 open General Services Administration opportunities classified under NAICS 541990, live from SAM.gov.

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Browse wider: all GSA contracts · all NAICS 541990 contracts · how to win NAICS 541990 contracts

21 opportunities open now

Professional ServicesSolicitationSmall Business

One Acquisition Solution for Integrated Services Plus (OASIS+) Total Small Business Set-Aside Continuously Open

General Services AdministrationAll Other Professional, Scientifi…

Jan 11, 2027

Response deadline

View details Write proposal

Professional ServicesSolicitationNONE

One Acquisition Solution for Integrated Services Plus (OASIS+) Unrestricted Continuously Open Solicitation

General Services AdministrationAll Other Professional, Scientifi…

Jan 11, 2027

Response deadline

View details Write proposal

Professional ServicesSolicitationSmall Business

One Acquisition Solution for Integrated Services Plus (OASIS+) Total Small Business Set-Aside Continuously Open

General Services AdministrationAll Other Professional, Scientifi…

Jan 11, 2027

Response deadline

View details Write proposal

Professional ServicesSolicitationHUBZone

One Acquisition Solution for Integrated Services Plus (OASIS+) Historically Underutilized Business Zone (HUBZone) Small Business Set-Aside Continuously Open Solicitation

General Services AdministrationAll Other Professional, Scientifi…

Jan 11, 2027

Response deadline

View details Write proposal

Professional ServicesSolicitationSDVOSB

One Acquisition Solution for Integrated Services Plus (OASIS+) Service-Disabled Veteran-Owned Small Business (SDVOSB) Set-Aside Continuously Open Solicitation

General Services AdministrationAll Other Professional, Scientifi…

Jan 11, 2027

Response deadline

View details Write proposal

Professional ServicesSolicitationNONE

One Acquisition Solution for Integrated Services Plus (OASIS+) Unrestricted Continuously Open Solicitation

General Services AdministrationAll Other Professional, Scientifi…

Jan 11, 2027

Response deadline

View details Write proposal

Professional ServicesSolicitationWOSB

One Acquisition Solution for Integrated Services Plus (OASIS+) Women-Owned Small Business (WOSB) Set-Aside Continuously Open Solicitation

General Services AdministrationAll Other Professional, Scientifi…

Jan 11, 2027

Response deadline

View details Write proposal

Professional ServicesSolicitation8(a)

One Acquisition Solution for Integrated Services Plus (OASIS+) 8(a) Small Business Set-Aside Continuously Open Solicitation

General Services AdministrationAll Other Professional, Scientifi…

Jan 11, 2027

Response deadline

View details Write proposal

Professional ServicesSolicitationWOSB

One Acquisition Solution for Integrated Services Plus (OASIS+) Women-Owned Small Business (WOSB) Set-Aside Continuously Open Solicitation

General Services AdministrationAll Other Professional, Scientifi…

Jan 11, 2027

Response deadline

View details Write proposal

Professional ServicesSolicitation8(a)

One Acquisition Solution for Integrated Services Plus (OASIS+) 8(a) Small Business Set-Aside Continuously Open Solicitation

General Services AdministrationAll Other Professional, Scientifi…

Jan 11, 2027

Response deadline

View details Write proposal

Professional ServicesSolicitationSDVOSB

One Acquisition Solution for Integrated Services Plus (OASIS+) Service-Disabled Veteran-Owned Small Business (SDVOSB) Set-Aside Continuously Open Solicitation

General Services AdministrationAll Other Professional, Scientifi…

Jan 11, 2027

Response deadline

View details Write proposal

Professional ServicesSolicitationNONE

One Acquisition Solution for Integrated Services Plus (OASIS+) Unrestricted Continuously Open Solicitation

General Services AdministrationAll Other Professional, Scientifi…

Jan 11, 2027

Response deadline

View details Write proposal

Professional ServicesSolicitationSmall Business

One Acquisition Solution for Integrated Services Plus (OASIS+) Total Small Business Set-Aside Continuously Open

General Services AdministrationAll Other Professional, Scientifi…

Jan 11, 2027

Response deadline

View details Write proposal

Professional ServicesSolicitationHUBZone

One Acquisition Solution for Integrated Services Plus (OASIS+) Historically Underutilized Business Zone (HUBZone) Small Business Set-Aside Continuously Open Solicitation

General Services AdministrationAll Other Professional, Scientifi…

Jan 11, 2027

Response deadline

View details Write proposal

Professional ServicesCombined Synopsis/Solicitation

Multiple Award Schedule

General Services Administration Philadelphia, PAAll Other Professional, Scientifi…

$52,000,000,000

Award value

View details Write proposal

Professional ServicesSolicitationSmall Business

One Acquisition Solution for Integrated Services Plus (OASIS+) Total Small Business Set-Aside Continuously Open

General Services AdministrationAll Other Professional, Scientifi…

Jan 11, 2027

Response deadline

View details Write proposal

Professional ServicesSolicitationWOSB

One Acquisition Solution for Integrated Services Plus (OASIS+) Women-Owned Small Business (WOSB) Set-Aside Continuously Open Solicitation

General Services AdministrationAll Other Professional, Scientifi…

Jan 11, 2027

Response deadline

View details Write proposal

Professional ServicesSolicitationNONE

One Acquisition Solution for Integrated Services Plus (OASIS+) Unrestricted Continuously Open Solicitation

General Services AdministrationAll Other Professional, Scientifi…

Jan 11, 2027

Response deadline

View details Write proposal

Professional ServicesSolicitationHUBZone

One Acquisition Solution for Integrated Services Plus (OASIS+) Historically Underutilized Business Zone (HUBZone) Small Business Set-Aside Continuously Open Solicitation

General Services AdministrationAll Other Professional, Scientifi…

Jan 11, 2027

Response deadline

View details Write proposal

Professional ServicesSolicitationSDVOSB

One Acquisition Solution for Integrated Services Plus (OASIS+) Service-Disabled Veteran-Owned Small Business (SDVOSB) Set-Aside Continuously Open Solicitation

General Services AdministrationAll Other Professional, Scientifi…

Jan 11, 2027

Response deadline

View details Write proposal

Professional ServicesSolicitation8(a)

One Acquisition Solution for Integrated Services Plus (OASIS+) 8(a) Small Business Set-Aside Continuously Open Solicitation

General Services AdministrationAll Other Professional, Scientifi…

Jan 11, 2027

Response deadline

View details Write proposal