PrimeRFP SCOUT · Contract Vehicle · GSA
OASIS+
GSA's One Acquisition Solution for Integrated Services Plus — the primary government-wide vehicle for professional services, IT consulting, and systems integration.
$50B per pool
Ceiling
10
Prime Awardees
25,173
SCOUT Awards
$30.3B
SCOUT Obligated
Verify any number on this page. The analysis is the part you can't self-serve. 90 days · $90 · no annual contract · cancel anytime
Vehicle Overview
Category
Professional Services
Ownership & Management
GSA
Business Development Positioning
Prime on your pool before task-order season; align NAICS and pool selection early.
Top Agencies Using OASIS+
| Rank | Agency | Spend |
|---|---|---|
| #1 | General Services Administration (GSA) | $14.5B |
| #2 | Department of Defense (DOD) | $4.3B |
| #3 | Department of Health and Human Services (HHS) | $2.8B |
| #4 | Department of Veterans Affairs (VA) | $2.4B |
| #5 | Department of Homeland Security (DHS) | $2.4B |
| #6 | Department of the Treasury (TREAS) | $638.4M |
| #7 | Department of State (DOS) | $511.5M |
| #8 | Department of Justice (DOJ) | $450.4M |
| #9 | Department of the Interior (DOI) | $384.4M |
| #10 | Department of Commerce (DOC) | $359.8M |
Top Task Order Winners
| Rank | Contractor | Orders | Total |
|---|---|---|---|
| #1 | BOOZ ALLEN HAMILTON INC. | 495 | $2.1B |
| #2 | SCIENCE APPLICATIONS INTERNATIONAL CORPORATION | 259 | $1.7B |
| #3 | DELOITTE CONSULTING LLP | 393 | $1.4B |
| #4 | CACI, INC. - FEDERAL | 222 | $1.3B |
| #5 | GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC. | 271 | $1.3B |
| #6 | SALIENT CRGT, INC. | 92 | $899.4M |
| #7 | ACCENTURE FEDERAL SERVICES LLC | 133 | $791.6M |
| #8 | LEIDOS, INC. | 207 | $755.4M |
| #9 | HII MISSION TECHNOLOGIES CORP | 38 | $710.9M |
| #10 | MANTECH ADVANCED SYSTEMS INTERNATIONAL, INC. | 154 | $706.2M |
Task Order Trends by Year
| Year | Orders | Obligated |
|---|---|---|
| 2024 | 26,081 | $27.4B |
| 2025 | 26,908 | $27.6B |
Frequently Asked Questions — OASIS+
How do I get on OASIS+?
GSA regularly issues solicitations for new awardees. Register for SCOUT alerts to track OASIS+ solicitations and RFP releases. Once awarded, you can pursue task order competitions against other prime awardees.
Who are the dominant winners on OASIS+?
Top task order winners are listed above. Patterns show which contractor capabilities and solutions are most in demand across agencies using this vehicle. Study their win strategies and proposal themes.
What is the market size for OASIS+?
SCOUT has tracked $30.3B in task order obligations across 25,173 awards on OASIS+. The official ceiling is $50B per pool. Use these benchmarks for capture planning.
Ready to pursue OASIS+ opportunities?
Get OASIS+ task order releases, competitive intelligence, win probability analysis, and teaming match recommendations in PrimeRFP SCOUT.
90 days · $90 · no annual contract · cancel anytime