| SCSikorsky Commercial INC | Coatesville | PA | — | ◇ UNVERIFIED |
| SMSikorsky Military Components Center | Horseheads | NY | — | ◇ UNVERIFIED |
| SVSilicon Valley Group Thermco | Orange | CA | — | ◇ UNVERIFIED |
| SCSkippack Clnr/ambler | Blue Bell | PA | — | ◇ UNVERIFIED |
| SESkyline Electric and Mfg CO INC | Seattle | WA | — | ◇ UNVERIFIED |
| SESoles Electric of Huntington, INC. | Huntington | WV | — | ◇ UNVERIFIED |
| SSSouth Seneca Car Care | Wichita | KS | — | ◇ UNVERIFIED |
| SESpace Exploration Technologies | Brownsville | TX | — | ◇ UNVERIFIED |
| SESpace Exploration Technologies | Hawthorne | CA | — | ◇ UNVERIFIED |
| SESpace Exploration Technologies - Area 59 | Cape Canaveral | FL | — | ◇ UNVERIFIED |
| SESpace Exploration Technologies - Hangar Ao/hangar M Complex | Cape Canaveral | FL | — | ◇ UNVERIFIED |
| SESpace Exploration Technologies - Magellan | Cape Canaveral | FL | — | ◇ UNVERIFIED |
| SESpace Exploration Technologies - Payload Processing Facility | Cape Canaveral | FL | — | ◇ UNVERIFIED |
| SESpace Exploration Technologies Slc-39a | Kennedy Space Center | FL | — | ◇ UNVERIFIED |
| SSSpace Systems Loral B4 | Palo Alto | CA | — | ◇ UNVERIFIED |
| SBSparton Brooksville, LLC | Brooksville | FL | — | ◇ UNVERIFIED |
| SMSpectrum Microwave | Palm Bay | FL | — | ◇ UNVERIFIED |
| SASpirit Aerosystems, INC. | Chanute | KS | — | ◇ UNVERIFIED |
| SCStatic Control Components INC Plant 7 | Sanford | NC | — | ◇ UNVERIFIED |
| SCStatic Control Components Plant 3 | Sanford | NC | — | ◇ UNVERIFIED |
Sypris Electronics LLC | Tampa | FL | — | ◇ UNVERIFIED |
| TWTec Welding Products INC | Escondido | CA | — | ◇ UNVERIFIED |
| TITelair International | Oxnard | CA | — | ◇ UNVERIFIED |
| TCTelos Corporation | Ashburn | VA | — | ◇ UNVERIFIED |
| TATextron Aviation INC | Milwaukee | WI | — | ◇ UNVERIFIED |
| TSTextron Systems Corporation | Hunt Valley | MD | — | ◇ UNVERIFIED |
| TBThe Boeing Company | Titusville | FL | — | ◇ UNVERIFIED |
| TBThe Boeing Company | El Segundo | CA | — | ◇ UNVERIFIED |
| TBThe Boeing Company | Salt Lake City | UT | — | ◇ UNVERIFIED |
| TBThe Boeing Company - Boeing South Carolina (airport Campus) | North Charleston | SC | — | ◇ UNVERIFIED |
| TBThe Boeing Company, Defense, Space & Security, Rotorcraft Programs, Philadelphia | Ridley Park | PA | — | ◇ UNVERIFIED |
| TBThe Boeing CO North Airport Facility | Long Beach | CA | — | ◇ UNVERIFIED |
| TBThe Boeing Co- Victorville Operations | Victorville | CA | — | ◇ UNVERIFIED |
| TMThe Marquardt Company | Van Nuys | CA | — | ◇ UNVERIFIED |
| TATimken Aerospace Transmissions | Manchester | CT | — | ◇ UNVERIFIED |
| TCTotal Clean LLC of Illinois | Lake Charles | LA | — | ◇ UNVERIFIED |
| TCTowamencin Clnr/lansdale | Lansdale | PA | — | ◇ UNVERIFIED |
| TTraka | Orlando | FL | — | ◇ UNVERIFIED |
| TITriad International Maintenance Corporation | Lake City | FL | — | ◇ UNVERIFIED |
| TATriumph Aerostructures (k6 Facility) | Torrance | CA | — | ◇ UNVERIFIED |
| TATriumph Aerostructures-vought Inegrated Programs Div | Dallas | TX | — | ◇ UNVERIFIED |
| TETucson Electric Power CO (north Loop) | Rillito | AZ | — | ◇ UNVERIFIED |
| TTTulalip Test Site | Tulalip | WA | — | ◇ UNVERIFIED |
| TWTwenty Wayland LLC | Wayland | MA | — | ◇ UNVERIFIED |
| TETyco Electronics | Burlington | MA | — | ◇ UNVERIFIED |
| UAUnical Aviation INC | City of Industry | CA | — | ◇ UNVERIFIED |
| USUnicat Services | Alvin | TX | — | ◇ UNVERIFIED |
| UPUnion Pacific Railroad Company - Former Mp Shops | Sedalia | MO | — | ◇ UNVERIFIED |
| ULUnipower LLC | Dunlap | TN | — | ◇ UNVERIFIED |
| UOUniroyal Optoelectronics INC | Tampa | FL | — | ◇ UNVERIFIED |
| UAUnited Aero Group | Enterprise | AL | — | ◇ UNVERIFIED |
| ULUnited Launch Alliance | Trinity | AL | — | ◇ UNVERIFIED |
| UPUniversal Products | Brockton | MA | — | ◇ UNVERIFIED |
| UDUS Department of the Air Force | San Antonio | TX | — | ◇ UNVERIFIED |
| UNU.s. Navy Naval Air Warfare Center Aircraft Div. | Indianapolis | IN | — | ◇ UNVERIFIED |
| VAV2x Aircraft Integration and Sustainment LLC | Crestview | FL | — | ◇ UNVERIFIED |
| VMVarian Medical Systems INC | Palo Alto | CA | — | ◇ UNVERIFIED |
| VCVip Completions 1 LLC | Fort Lauderdale | FL | — | ◇ UNVERIFIED |
| VAVitrus a Division of Energy INC | Pawtucket | RI | — | ◇ UNVERIFIED |
| VMVought Marshall Street Facility | Grand Prairie | TX | — | ◇ UNVERIFIED |
| VCVse Corporation | Greensboro | NC | — | ◇ UNVERIFIED |
| WCWaco Classic Aircraft CORP | Battle Creek | MI | — | ◇ UNVERIFIED |
| WSWashington State Liquor Control Board | Seattle | WA | — | ◇ UNVERIFIED |
| WEWatlow Electric Mfg Company | Columbia | MO | — | ◇ UNVERIFIED |
| WEWestinghouse Electric Corporation | Bloomington | IN | — | ◇ UNVERIFIED |
| WEWilmore Electronics CO INC | Hillsborough | NC | — | ◇ UNVERIFIED |
| WCWoodstream Corporation | Knoxville | TN | — | ◇ UNVERIFIED |
| 1N1035 N McDowell | Petaluma | CA | 100–499 | ◐ LIKELY ACTIVE |
| 2T2000 Taylor | Louisville | CO | 100–499 | ◐ LIKELY ACTIVE |
| 2A2009 Anytrek | Ontario | CA | 20–99 | ◐ LIKELY ACTIVE |
| 2M2pi Microwave, INC. | San Jose | CA | — | ◐ LIKELY ACTIVE |
| 3S308 Systems INC | Fort Collins | CO | — | ◐ LIKELY ACTIVE |
| 3C340 Communications Consultant LLC | Christiansted | VI | — | ◐ LIKELY ACTIVE |
| 3E360 Electrical, LLC | Dubois | WY | — | ◐ LIKELY ACTIVE |
| 3T3660 Thomas | Santa Clara | CA | 100–499 | ◐ LIKELY ACTIVE |
| 3M3-d Marketing INC. | Medford | OR | — | ◐ LIKELY ACTIVE |
| 4G4620 - G-Force Manufacturing | Pooler | GA | 20–99 | ◐ LIKELY ACTIVE |
| 5C5by5 Connections LLC | Driggs | ID | — | ◐ LIKELY ACTIVE |
| ALA-1vet LLC | Indianapolis | IN | — | ◐ LIKELY ACTIVE |
| ACAar Component Services - Hot Springs, LLC. | Hot Springs National Park | AR | — | ◐ LIKELY ACTIVE |
| AIAbc Insulation Supply Company, LLC | Memphis | TN | — | ◐ LIKELY ACTIVE |
Acopian Technical Melbourne | Melbourne | FL | 20–99 | ◐ LIKELY ACTIVE |
| ABAcuity Brands, Integrated Solutions Factory | Decatur | GA | 100–499 | ◐ LIKELY ACTIVE |
| AMAdaptive Mission Technologies, LLC | Atmore | AL | — | ◐ LIKELY ACTIVE |
| AIAdco Industries INC | Jenks | OK | — | ◐ LIKELY ACTIVE |
| AAAdvanced Air of West Palm Beach, INC. | Jupiter | FL | — | ◐ LIKELY ACTIVE |
| AAAdvanced American Technology, INC. | Houston | TX | — | ◐ LIKELY ACTIVE |
| ACAdvanced Communications Concepts, INC. | Augusta | GA | — | ◐ LIKELY ACTIVE |
| AEAdvanced Electronics Sourcing Group LLC | Santa Monica | CA | — | ◐ LIKELY ACTIVE |
| ASAdvanced Systems & Software Engineering Technologies LLC | Ridgecrest | CA | — | ◐ LIKELY ACTIVE |
| ASAegis Station Infrastructure LLC | Chicago | IL | — | ◐ LIKELY ACTIVE |
| APAE Products, Inc. | Lake Park | FL | 20–99 | ◐ LIKELY ACTIVE |
| ACAero Coatings & Manufacturing, LLC | Arlington | TX | — | ◐ LIKELY ACTIVE |
| AIAero Innovations LLC | Medford | OR | — | ◐ LIKELY ACTIVE |
| AIAeropulse INC | San Pedro | CA | — | ◐ LIKELY ACTIVE |
| AIAerotargets International LLC | Shavertown | PA | — | ◐ LIKELY ACTIVE |
| AIAerovas, INC. | Melbourne | FL | — | ◐ LIKELY ACTIVE |
| AIAersale, INC. | Goodyear | AZ | — | ◐ LIKELY ACTIVE |
| AAAery Aviation - Newport News | Newport News | VA | 20–99 | ◐ LIKELY ACTIVE |
| AAAgilis Air, INC. | North Benton | OH | — | ◐ LIKELY ACTIVE |