One Acquisition Solution for Integrated Services - Small Business (OASIS SB)

The General Services Administration (GSA) Federal Acquisition Service established OASIS SB (One Acquisition Solution for Integrated Services - Small Business), a master IDIQ with a $1 trillion shared ceiling on June 20, 2014, but the vehicle is no longer accepting new orders; the last date to place orders was July 17, 2025, closing ordering approximately eleven months ago.

The vehicle contracts complex, integrated professional services across twelve subcategories: Military, Marine, and Energy Engineering (both unrestricted and 8(a)-certified); Financial/Accounting Services (both unrestricted and 8(a)-certified); Scientific Research and Development (both unrestricted and 8(a)-certified); Space and Missiles Research and Development (both unrestricted and 8(a)-certified); Management/Scientific/Technical Services (both unrestricted and 8(a)-certified); and Aircraft Parts and Engines Research and Development and Aircraft Research and Development. Recent task orders show the vehicle has been procuring a broad range of professional services: engineering and technical assistance (EPASS, SETA), program management and systems engineering support, financial and audit services, administrative and workforce support, security services, and specialized technical expertise across defense, civil, and intelligence-community customers.

OASIS SB awarded 3,131 task orders totaling $68.28 billion in combined potential value, of which $41.27 billion (60 percent) has been obligated. Activity peaked in 2023 (325 orders) and 2024 (310 orders); by 2025 only 21 orders were placed, with minimal activity in 2026 and 2027 as agencies wound down the vehicle ahead of its July 2025 ordering close. The vehicle accommodates 351 distinct prime contractors across 305 customer agencies. Competition is moderately concentrated among primes: Miracle Systems LLC, Cherokee Nation Strategic Programs, L.L.C., and Sawdey Solution Services Inc. lead by order count (121, 114, and 105 orders respectively), while Odyssey Systems Consulting Group, Ltd. dominates by potential value at $5.04 billion across 40 orders. Credence Management Solutions Limited Liability Company, Tecolote Research, Inc., and Cherokee Nation Strategic Programs account for substantial portions of the top-value pool. The customer base is concentrated in Air Force and Coast Guard: the Department of Homeland Security U.S. Coast Guard placed 347 orders ($2.1 billion potential value), Department of the Air Force Air Combat Command 169 orders ($3.76 billion), and the broader Department of the Air Force 118 orders ($6.82 billion), together representing 27 percent of all task orders.

Set-aside distribution reflects the vehicle's small-business mandate: Total Small Business designates 1,276 orders (41 percent), No Set-Aside Used accounts for 1,265 orders (40 percent), Competitive 8(a) covers 204 orders (7 percent), 8(a) Sole Source 175 orders (6 percent), and Service-Disabled Veteran-Owned Small Business, Woman-Owned Small Business, and other categories comprise the remaining 6 percent. Typical task-order values range from under $1 million to over $800 million; notable mega-orders include a $1.51 billion ceiling for cyber and networks directorate support, $820 million for EPASS in support of Air Force headquarters, and $625 million for ARCWERX Artemis program management and R&D. Most recent awards (late 2024 through mid-2025) reflect cost-plus-fixed-fee and firm-fixed-price structures with durations extending to 2029 and 2030, confirming sustained customer demand despite the vehicle's closure to new awardees.

The purpose of OASIS SB is to meet the needs of customers with complex integrated professional service based requirements who cannot use, or find difficulty using, the MAS Schedules, Government-wide Acquisition contracts (GWACs), or other existing vehicles for a solution.