As a snapshot of GSA’s Best In Class (Tier 3) solution, 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. Details of OASIS Contract include:

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

The core disciplines/scopes of the contracts include:

  • Program management services;
  • Management consulting services;
  • Logistics services;
  • Engineering services;
  • Scientific services; and
  • Financial services.

Please learn more about the OASIS IDIQ by viewing the GSA Oasis Contracts page.

Diligent was awarded the OASIS contract due to our Best In Class Capabilities supporting not only the engineering categories in the OASIS Pool 3 Small Business IDIQ, but our breadth of successes across all the OASIS disciplines. With our mission focus, our customers’ operational successes have been continuous and robust. Spanning the gamut of classifications and agencies, Diligent will continue its mission to support and enhance our customers’ missions.


Please get more details about our OASIS Small Business Vehicle award on our NEWS page.
A copy of our OASIS SB Fully Extended Contract and Solicitation, Offer and Award is available in Adobe PDF format.

Our OASIS Key Personnel include:
Corporate OASIS Program Manager (COPM): Bud Halstead, 210-826-9300
Corporate OASIS Contract Manager (COCM): Stephanie Castro, 210-826-9300
Please contact us through our OASIS email address:

Diligent is registered with:
Dun and Bradstreet — Diligent’s DUNS Number:  03-286-9526
Defense Logistics Information Service — Diligent’s CAGE Code:  1XY69