| UAUnited Aero Group | Enterprise | AL | — | ◇ UNVERIFIED |
 United Aeronautical CORP | Mcclellan | CA | — | ◇ UNVERIFIED |
| UTUnited Technologies Corporation | San Jose | CA | — | ◇ UNVERIFIED |
| UHUniversal Hydrogen | Hawthorne | CA | — | ◇ UNVERIFIED |
| UPUniversal Propulsion | Phoenix | AZ | — | ◇ UNVERIFIED |
| USUnmanned Systems Service & Support Center (textron Systems) | Blackstone | VA | — | ◇ UNVERIFIED |
| UNUp North Aerospace Solutions LLC | Burnsville | MN | — | ◇ UNVERIFIED |
| UPUsaf Plant 42/pyramid Services INC | Palmdale | CA | — | ◇ UNVERIFIED |
| UAUS Air Force Plant 42 - Boeing | Palmdale | CA | — | ◇ UNVERIFIED |
| UAUS Army Plant 2 Bell Helicopter Textron | — | TX | — | ◇ UNVERIFIED |
| UAUS Army Ruston Way Military Site | Tacoma | WA | — | ◇ UNVERIFIED |
| UAUscg Aviation Logistics Center Heavy Maintena | Elizabeth City | NC | — | ◇ UNVERIFIED |
| UAUscg Aviation Logistics Center Heavy Maintenance Facility | Elizabeth City | NC | — | ◇ UNVERIFIED |
| UDU.s. Department of Air Force, Rafb | Robins Afb | GA | — | ◇ UNVERIFIED |
| UDU.s. Department of Air Force, Rafb | Warner Robins | GA | — | ◇ UNVERIFIED |
| UDU.s. Department of Defense Tinker Afb | Tinker Afb | OK | — | ◇ UNVERIFIED |
| UOUsdol Osha - Atlanta West Ao | Marietta | GA | — | ◇ UNVERIFIED |
| VAV2x Aircraft Integration and Sustainment LLC | Crestview | FL | — | ◇ UNVERIFIED |
 Ventura Aerospace INC. | Westlake Village | CA | — | ◇ UNVERIFIED |
| VUVertex Unmanned Solutions LLC | Plymouth | MN | — | ◇ UNVERIFIED |
 Vian Enterprises | Auburn | CA | — | ◇ UNVERIFIED |
| VCVip Completions 1 LLC | Fort Lauderdale | FL | — | ◇ UNVERIFIED |
| VAVought Aircraft Industries | Hawthorne | CA | — | ◇ UNVERIFIED |
 Vse Aviation Services | Everett | WA | — | ◇ UNVERIFIED |
| VCVse Corporation | Greensboro | NC | — | ◇ UNVERIFIED |
| VTV T C Aerospace System | Santa Isabel | PR | — | ◇ UNVERIFIED |
| WBWa317937871 - Boeing Company the | Algona | WA | — | ◇ UNVERIFIED |
| WSWa317938343 - Skills INC | Seattle | WA | — | ◇ UNVERIFIED |
| WBWa317939171 - Boeing Company the | Auburn | WA | — | ◇ UNVERIFIED |
| WBWa317940860 - Boeing Company the | Seattle | WA | — | ◇ UNVERIFIED |
| WAWa317946143 - Air Cargo Equipment Incorporated | Enumclaw | WA | — | ◇ UNVERIFIED |
| WGWa317947407 - Giddens Industries INC | Everett | WA | — | ◇ UNVERIFIED |
| WBWa317948025 - Boeing Company the | Auburn | WA | — | ◇ UNVERIFIED |
| WCWaco Classic Aircraft CORP | Battle Creek | MI | — | ◇ UNVERIFIED |
| WEWarrior Enterprises, INC. | Mesa | AZ | — | ◇ UNVERIFIED |
| WSWashington State Liquor Control Board | Seattle | WA | — | ◇ UNVERIFIED |
| WRWater Reclamation | Firebaugh | CA | — | ◇ UNVERIFIED |
| WAWeatherly Aircraft Company | Newton | KS | — | ◇ UNVERIFIED |
| WAWeber Aircraft INC | Fullerton | CA | — | ◇ UNVERIFIED |
| WSWestern Skyways INC | Montrose | CO | — | ◇ UNVERIFIED |
| WGWest Grant Dev INC | Rockton | IL | — | ◇ UNVERIFIED |
| WIWilliams International (b6415) | Walled Lake | MI | — | ◇ UNVERIFIED |
| WAWindecker Aircraft INC | Bend | OR | — | ◇ UNVERIFIED |
| WAWindsor Airmotive | East Granby | CT | — | ◇ UNVERIFIED |
| WAWisk Aero LLC | Mountain View | CA | — | ◇ UNVERIFIED |
| WAWisk Aero LLC | Palo Alto | CA | — | ◇ UNVERIFIED |
| WAWisk Aero LLC | Hollister | CA | — | ◇ UNVERIFIED |
| WGWood Group Pratt & Whitney Ind. Turbine | Jacksonville | FL | — | ◇ UNVERIFIED |
| WGWood Group Turbopower, Lcc | Miami Lakes | FL | — | ◇ UNVERIFIED |
| WAWorld Aircraft Company | Paris | TN | — | ◇ UNVERIFIED |
 Worldwide Aeros Corp. | Montebello | CA | — | ◇ UNVERIFIED |
| WSWorldwide Support Services, LLC | — | AL | — | ◇ UNVERIFIED |
| WGWyman Gordon Pa | Mountain Top | PA | — | ◇ UNVERIFIED |
| WPWyman-gordon Pennsylvania, LLC | Mountain Top | PA | — | ◇ UNVERIFIED |
| YIYulista Integrated Solutions, LLC | Huntsville | AL | — | ◇ UNVERIFIED |
| ZAZenith Aerospace | Belmont | CA | — | ◇ UNVERIFIED |
| ZIZipline International INC | Half Moon Bay | CA | — | ◇ UNVERIFIED |
 Zivko Aeronautics, INC. | Marina | CA | — | ◇ UNVERIFIED |
| Z5Zone 5 Technoloiges LLC | San Luis Obispo | CA | — | ◇ UNVERIFIED |
