GSA One Acquisition Solution for Integrated Services (OASIS)

OASIS is a multiple award, Indefinite Delivery / Indefinite Quantity (IDIQ) contract that provides flexible and innovative solutions for complex professional services. It consists of seven separate government-wide contracts that span 28 North American Industry Classification System (NAICS) Codes and six NAICS Code Exceptions under the economic subsector 541, Professional, Scientific, and Technical Services.

OASIS is designed to address federal agencies’ needs for a full range of service requirements that integrate multiple professional service disciplines and ancillary services/products with the flexibility for all contract types and pricing at the task order level.

The scope of OASIS spans many areas of expertise and includes any and all components required to formulate a total solution to a professional services based requirement. These areas of expertise include, but are not limited to, the following categories:

  • Communication
  • Compliance
  • Defense
  • Disaster
  • Energy
  • Environment
  • Financial
  • Health
  • Intelligence
  • Security
  • Transportation

Contract Numbers

DUNS Number



All Federal Agencies

Period of Performance

03 Sep 2014 – 01 Mar 2025


Michelle Li
Contracts Manager

LaToya Queener
Program Manager

Alberto Safille
Contracts Manager