One Acquisition Solution for Integrated Services (OASIS)


OASIS and OASIS Small Business (SB) are multiple award, Indefinite Delivery Indefinite Quantity (IDIQ) contracts that provide flexible and innovative solutions for complex professional services. These contracts:

  • Span many areas of expertise and mission spaces
  • Span multiple professional service disciplines
  • Allow flexibility for all contract types, including hybrids and cost-reimbursement, at the task order level
  • Allow ancillary support components, commonly referred to as Other Direct Costs (ODC), at the task order level

The core disciplines of the contract include program management services, management consulting services, logistics services, engineering services, scientific services, and financial services. More information can be found on the GSA OASIS page -

Contractor key personnel point of contact information:
Bethany Lee
Senior Manager
Corporate OASIS Program Manager (COPM)
T +1 703 637 2717

Regina Samuels
Corporate OASIS Contract Manager (COCM)
T +1 703 637 2835

OASIS contract (Sections B through J) and All Mods

DUNS number - 12-815-9105
Grant Thornton is committed to helping improve our environment. Click here to read the latest Greenhouse Gas (GHS) Inventory report.


More public sector insights