Buyers Guidance and Resources


Effective Immediately: Due to unexpected eBuy system issues, all OASIS 8(a) orders must be issued using the OASIS Contractor and Email Distribution List below until further notice.

How to Use OASIS

The GSA OASIS Tier 3, Best-in-Class (BIC) solutions make procuring complex professional services expedient by maximizing streamlined acquisition processes. The following resources are designed to help buyers use the OASIS suite of contracts.

Request a Delegation of Procurement Authority (DPA)

Contract Features

The OASIS program has created a variety of crosswalks to guide buyers through the acquisition process.

Research Tools

These tools are designed to help buyers make better program and business decisions.

Other Resources

Agency customers are encouraged to reach out to the Vendor Support with questions about the FAS Sales Reporting portal, TDR training, user manuals and general vendor inquiries.

Last Reviewed: 2021-06-17