| Noisefigure Research, Inc. | Renton | WA | Subcontractor |
| Nortex Cyber Solutions, LLC | Severna Park | MD | Subcontractor |
| North American Die Casting Association | Arlington Heights | IL | Subcontractor |
| Northeastern Regional Association Of Coastal Ocean Observing Systems | Portsmouth | NH | $0 |
| Northern Rockies Conservation Cooperative | Jackson | WY | $0 |
| North Pacific Research Board | Anchorage | AK | $0 |
| North Point Strategic Solutions LLC | Traverse City | MI | Subcontractor |
| Northwest Research Associates, Inc.Boulder, CO · UEI MSQCA211J174 | Boulder | CO | $0 |
| Northwest Research Associates, Inc.Monterey, CA · UEI ZV4CN6NLBZQ3 | Monterey | CA | Subcontractor |
| Nova Research Laboratories LLC | Metairie | LA | Subcontractor |
| Nvizix LLC | Stamford | CT | $0 |
| Oao Corporation | Gaithersburg | MD | $0 |
| Obsidian Microwave, LLC | Raleigh | NC | Subcontractor |
| Ocean County Engineering Applied Nautical Services LLC | Jacksonville | FL | Subcontractor |
| Ocean Era Inc. | Kailua Kona | HI | $0 |
| Ocean Exploration Trust, Inc. | New London | CT | $0 |
| Odyssey Systems Consulting Group Ltd. | Colorado Springs | CO | Subcontractor |
| Olive View/ucla Education And Research Institute, Inc. | Sylmar | CA | Subcontractor |
| Omni Sciences Inc. | Dexter | MI | Subcontractor |
| O.n. Diagnostics, LLC | Berkeley | CA | $0 |
| Oneso Technology LLC | Lexington | MA | Subcontractor |
| Ontario Institute For Cancer Research Institut Ontarien De Recherche Sur Le Cancer | Toronto | ON | $0 |
| Optimal Systems Laboratory, Inc. | Cambridge | MA | Subcontractor |
| Optimum LLC | North Potomac | MD | $0 |
| Orefine LLC | Bee Caves | TX | Subcontractor |
| Orion Aerospace & Defense Systems, Inc. | Jacksonville | OR | Subcontractor |
| Orolia Defense & Security, LLC | Rochester | NY | Subcontractor |
| Oscar L Colombo | College Park | MD | Subcontractor |
| Oscilla Power Inc. | Seattle | WA | Subcontractor |
| Osmoses Inc. | Cambridge | MA | Subcontractor |
| Ospedale San Raffaele S.R.L. | Milano | MI | Subcontractor |
| Outcomes Insights, Inc. | Hidden Hills | CA | $0 |
| Owner-operator Independent Drivers Association Foundation, Inc. | Grain Valley | MO | Subcontractor |
| Ozark Health Ventures LLC | Springfield | MO | Subcontractor |
| Ozspacesoft LLC | Longmont | CO | Subcontractor |
| Pacific Institute For Studies In Development, Environment And Security | Berkeley | CA | $0 |
| Palladyne Corp. | Salt Lake City | UT | Subcontractor |
| Palomar Scientific Instruments, LLC | San Marcos | CA | Subcontractor |
| Pamela Goddard | Eastham | MA | $0 |
| Paragon Genomics, Inc. | Fremont | CA | $0 |
| Paragon Technical Services, Inc. | Richland | MS | $0 |
| Parity Intelligence, LLC | Mechanicsville | MD | Subcontractor |
| Patel Technologies Corporation | Madison | AL | Subcontractor |
| Pathfinder Solutions Group LLC | Tampa | FL | $0 |
| Peak Space Solutions | Colorado Springs | CO | Subcontractor |
| Pecan Street Inc. | Austin | TX | Subcontractor |
| Peersat LLC | Herndon | VA | $0 |
| Peraton Inc.Rome, NY · UEI HZLFEDKLFHX5 | Rome | NY | Subcontractor |
| Peraton Inc.Greenbelt, MD · UEI NPCLMQZX4BZ5 | Greenbelt | MD | Subcontractor |
| Peraton Inc.Colorado Springs, CO · UEI KVJJLDMR34R5 | Colorado Springs | CO | Subcontractor |
| Perceptive Engineering Analytics, LLC | Minneapolis | MN | Subcontractor |
| Perdix, Inc. | Boulder | CO | $0 |
| Performance Software Corporation | Phoenix | AZ | Subcontractor |
| Performonomics, LLC | Tehachapi | CA | Subcontractor |
| Perino, Maria Grazia | Fallston | MD | $0 |
| Perry Institute For Marine Science, Inc. | Waitsfield | VT | $0 |
| Peter Musgrave | Dunrobin | ON | Subcontractor |
| Pettit Applied Technologies Inc. | Derwood | MD | Subcontractor |
| Pevals LLC | Tallahassee | FL | $0 |
| Pharmaron CPC, Inc. | Baltimore | MD | Subcontractor |
| Phoenix S&T, Inc. | Chadds Ford | PA | $0 |
| Physical Devices, LLC | Durham | NC | $0 |
| Pilot Ai Labs, Inc. | Redwood City | CA | Subcontractor |
| Pipeline Research Council International, Inc. | Chantilly | VA | $0 |
| Planned Systems International, Inc. | Mclean | VA | Subcontractor |
| Plasticity Inc. | Mc Lean | VA | $0 |
| Plexar Associates Inc. | Lyndhurst | OH | $0 |
| PNP Innovations Inc. | Calistoga | CA | Subcontractor |
| Polaris, Inc. | Simi Valley | CA | $0 |
| Polymath Research, Inc. | Palo Alto | CA | $0 |
| Polymer Processing Institute | Newark | NJ | Subcontractor |
| Polyplus Battery Co. | Berkeley | CA | Subcontractor |
| Poulos Air & Space, Inc. | Melbourne | FL | Subcontractor |
| Power Computing Solutions Inc. | Avon Lake | OH | Subcontractor |
| PPG Industries Inc. | Monroeville | PA | Subcontractor |
| Practical Scientific Solutions Inc. | Fuquay Varina | NC | Subcontractor |
| Predator Software, Inc. | Huntsville | AL | Subcontractor |
| Prem Kumar | Skokie | IL | Subcontractor |
| Prime Science & Technology Inc. | Potomac | MD | Subcontractor |
| Pro Delphinus | Miraflores | | $0 |
| Professional Solutions Company International, LLC. | Stennis Space Center | MS | Subcontractor |
| Profusa, Inc. | Lafayette | CA | Subcontractor |
| Prospect Research And Design LLC | Westminster | CO | Subcontractor |
| Protasis, Inc. | Clayton | NC | Subcontractor |
| Provid Pharmaceuticals Inc. | Monmouth Junction | NJ | $0 |
| Psoas LLC | Dayton | OH | Subcontractor |
| Puracath Medical Inc. | Newark | CA | $0 |
| Qed Labs Inc. | Billerica | MA | $0 |
| Qsa Global National Corporation | Indian Harbour Beach | FL | $0 |
| Quantaspec, Inc. | Essex Junction | VT | $0 |
| Quantech Services Inc. | Colorado Springs | CO | Subcontractor |
| Quantimacs LLC | Jersey City | NJ | Subcontractor |
| Quantlogic Corporation | Fulshear | TX | $0 |
| Quanttera LLC | Tempe | AZ | $0 |
| Quantum Valley Ideas Laboratories | Waterloo | ON | Subcontractor |
| Qynergy Corporation | Albuquerque | NM | Subcontractor |
| Radiance Technologies, Inc. | Rome | NY | Subcontractor |
| Rapid Innovation & Security Experts, Inc. | Colorado Springs | CO | Subcontractor |
| Rasec Technologies, LLC | San Jose | CA | $0 |
| Rationa-3 LLC | Germantown | MD | Subcontractor |
