OASIS and OASIS Small Business | GSA Countdown to America's 250th Anniversary: close Official websites use .gov .gov website belongs to an official government organization in the United States. Secure .gov websites use HTTPS lock or means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites. OASIS and OASIS Small Business Announcements The ordering periods for the OASIS program have ended: OASIS Small Business and OASIS 8(a) contract ordering periods ended on December 19, 2024. OASIS Unrestricted contract ordering period ended on March 1, 2025. 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. About OASIS OASIS features OASIS contracts OASIS pools How OASIS compares to other contracts About OASIS 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. OASIS Unrestricted is a full and open contract. OASIS Small Business is a 100 percent Small Business Set-Aside contract (FAR 19.502) with the ability to do Socio-Economic Set-Asides (FAR 19.8 thru FAR 19.15) at the task order level. OASIS 8(a) were developed to provide the 8(a) community expanded access to the OASIS Best-in-Class contract program while creating more options for federal agencies to meet their 8(a) business development program goals through both competitive 8(a) set-asides and 8(a) directed task order awards. The core disciplines/scopes of the contracts include: Program management services Management consulting services Logistics services Engineering services Scientific services Financial services OASIS contract features The OASIS contracts: Provide a single solution for complex requirements Support multiple technical disciplines and mission spaces Support commercial and non-commercial acquisition Support all contract types, including hybrids and cost-reimbursement, at the task order level Allow ancillary support components, commonly referred to as other direct costs, or ODCs, at the task order level Have no program ceiling, a five-year base and one five-year option a benefit to long-term planning for complex program requirements Contract features include: Commercial and non-commercial services CONUS and OCONUS requirements Classified and unclassified services Ancillary support necessary to deliver a total solution, such as labor, materials and ODCs Hybrid of any of the above Designated Best-in-Class (BIC) solution helping agencies meet their spend under management goals Span 28 North American Industry Classification System (NAICS) Codes and 6 NAICS Code Exceptions under the economic subsector 541 OASIS contracts Below are copies of the OASIS Unrestricted, OASIS Small Business Contracts, and OASIS Small Business 8(a) Subpool Contracts: Contract Associated documents OASIS Unrestricted Contracts Pool 1 OASIS Unrestricted Contract [PDF - 1006 KB] Pool 2 OASIS Unrestricted Contract [PDF - 1 MB] Pool 3 OASIS Unrestricted Contract [PDF - 1 MB] Pool 4 OASIS Unrestricted Contract [PDF - 1 MB] Pool 5A OASIS Unrestricted Contract [PDF - 1 MB] Pool 5B OASIS Unrestricted Contract [PDF - 1016 KB] Pool 6 OASIS Unrestricted Contract [PDF - 1 MB] Section J.1. OASIS Labor Categories and Definitions [PDF - 280 KB] (Applies to all OASIS Unrestricted MATOCS). OASIS Small Business Contracts Pool 1 OASIS Small Business Contract [PDF - 1 MB] Pool 2 OASIS Small Business Contract [PDF - 1 MB] Pool 3 OASIS Small Business Contract [PDF - 1 MB] Pool 4 OASIS Small Business Contract [PDF - 1 MB] Pool 5A OASIS Small Business Contract [PDF - 1 MB] Pool 5B OASIS Small Business Contract [PDF - 1 MB] Pool 6 OASIS Small Business Contract [PDF - 1 MB] Section J.1. OASIS SB Labor Categories and Definitions [PDF - 281 KB] (Applies to all OASIS SB MATOCS). OASIS 8(a) Contracts OASIS 8(a) Pool 1 Contract [PDF - 1 MB] OASIS 8(a) Pool 2 Contract [PDF - 1 MB] OASIS 8(a) Pool 3 Contract [PDF - 1 MB] OASIS 8(a) Pool 4 Contract [PDF - 1 MB] OASIS 8(a) Pool 5B Contract [PDF - 1 MB] Section J.1. OASIS 8(a) Labor Categories and Definitions [PDF - 254 KB] OASIS pools Download this snapshot of the OASIS pools [PDF - 177 KB] National Customer Service Center 800-488-3111 ncsccustomer.service@gsa.gov OASIS Contacts OASIS Oasis@gsa.gov NOTE: The OASIS SB and OASIS Customer Support email addresses have been merged into the Oasis@gsa.gov CPRM Support OasisCPRM@gsa.gov Print Page Email Page Top Choose a location Error, The Per Diem API is not responding. Please try again later. No results could be found for the location you've entered. Get my location OR State City (optional) OR ZIP 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. Choose a date Select fiscal year OR Travel start date (mm/dd/yyyy) Travel end date (mm/dd/yyyy) Rates are available between 10/1/2023 and 09/30/2026. The End Date of your trip can not occur before the Start Date. Additional terms and conditions 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.