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The ordering periods for the OASIS program have ended:
You can now place orders directly from OASIS+. For more details about the program, contract information, and to access the necessary tools to streamline your procurement processes, visit the OASIS+ website. For general questions about the program, please email: oasisplus@gsa.gov (copy and paste the email address if needed). Join the OASIS+ Interact Community to get frequent updates on the OASIS+ program.
For additional information about legacy OASIS, see our Interact post: Important Due Dates Approaching for OASIS Program Contract Expirations
Symphony Task Order management System for OASIS Small Business, OASIS 8(a) and OASIS Unrestricted contracts ended on February 28, 2025.
OASIS, OASIS Small Business (SB), and OASIS 8(a) are family of governmentwide multiple award, IDIQ contracts that provide flexible and innovative solutions for complex professional services.
The core disciplines/scopes of the contracts include:
Examples of core disciplines/scope of what can be procured [PDF - 165 KB].
The OASIS contracts:
Contract features include:
Below are copies of the OASIS Unrestricted, OASIS Small Business Contracts, and OASIS Small Business 8(a) Subpool Contracts:
Download this snapshot of the OASIS pools [PDF - 177 KB].
Download this one page OASIS Fact Sheet [PDF - 720 KB] and this Comparison [PDF - 201 KB] of OASIS and Multiple Award Schedule professional services category to learn more about GSA’s professional services offerings.
For additional information and helpful guides, please see our buyers and industry guidance and resources.
Check out this video on the OASIS and HCaTS 8(a) contracts.
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No results could be found for the location you've entered.
Rates for Alaska, Hawaii, and U.S. territories and possessions are set by the Department of Defense.
Rates for foreign countries are set by the Department of State.
Rates are available between 10/1/2023 and 09/30/2026.
The End Date of your trip can not occur before the Start Date.
Traveler reimbursement is based on the location of the work activities and not the accommodations, unless lodging is not available at the work activity, then the agency may authorize the rate where lodging is obtained.
Unless otherwise specified, the per diem locality is defined as "all locations within, or entirely surrounded by, the corporate limits of the key city, including independent entities located within those boundaries."
Per diem localities with county definitions shall include"all locations within, or entirely surrounded by, the corporate limits of the key city as well as the boundaries of the listed counties, including independent entities located within the boundaries of the key city and the listed counties (unless otherwise listed separately)."
When a military installation or Government - related facility(whether or not specifically named) is located partially within more than one city or county boundary, the applicable per diem rate for the entire installation or facility is the higher of the rates which apply to the cities and / or counties, even though part(s) of such activities may be located outside the defined per diem locality.
U.S. General Services Administration