| Item | Obligations |
|---|---|
| CALIFORNIA INSTITUTE OF TECHNOLOGY | $1.7B |
| THE BOEING COMPANY | $1B |
| THE JOHNS HOPKINS UNIVERSITY APPLIED PHYSICS LABORATORY LLC | $472M |
| LOCKHEED MARTIN CORP | $400M |
| KBR WYLE SERVICES, LLC | $339M |
| NORTHROP GRUMMAN SYSTEMS CORPORATION | $337M |
| AEROJET ROCKETDYNE OF DE, INC | $324M |
| BLUE ORIGIN MANUFACTURING, LLC | $300M |
| AMENTUM TECHNOLOGY, INC. | $290M |
| BAE SYSTEMS SPACE & MISSION SYSTEMS INC. | $224M |
CALIFORNIA INSTITUTE OF TECHNOLOGY led all National Aeronautics and Space Administration contractors with $1.7B, 15.5% of obligations.