GSA’s One Acquisition Solution for Integrated Services (OASIS) Unrestricted and OASIS Small Business (SB) Set-Aside contract vehicle is designed to provide flexible and innovative solutions for complex professional services. These contracts are designed to address agencies’ need for a full range of service requirements that integrate multiple professional service disciplines and ancillary services and products with the flexibility for all contract types and pricing at the task order level.

The core disciplines of the contract include:

  • Program management services
  • Management consulting services
  • Logistics services
  • Engineering services
  • Scientific services
  • Financial services

View full GSA OASIS Core Disciplines

OASIS SB is a collection of multiple-award, (MA), Indefinite Delivery, Indefinite Quantity (IDIQ), ten-year (five year base and five-year option period) contracts with no maximum on the total value of orders that can be placed under the contracts. The OASIS SB contracts were awarded as 100% Small Business set-asides.


GSA OASIS Program Architecture


OASIS SB has seven pools of awardees, and CSA is an awardee in Pool 3 for Engineering Services (NAICS code 541330), for Exception A, B and C. CSA is able to compete for 8(a) and service-disabled veteran-owned small business (SDVOSB) set asides, and direct awards.