| SCSequa CORP Standun Canforming | East Rancho Dominguez | CA | — | ◇ UNVERIFIED |
| SEServ-aero Engineering | Salinas | CA | — | ◇ UNVERIFIED |
| SWService With Class CORP. | Miami | FL | — | ◇ UNVERIFIED |
| SQSeven Q Seven, LTD | San Antonio | TX | — | ◇ UNVERIFIED |
 Sewer Equipment CO of America | Chadwick | IL | — | ◇ UNVERIFIED |
| SAShaw Aero Devices | Fort Myers | FL | — | ◇ UNVERIFIED |
| SAShaw Aero Devices INC | Wainscott | NY | — | ◇ UNVERIFIED |
| SSierracin-harrison | Burbank | CA | — | ◇ UNVERIFIED |
| SHSierra Hotel Aero INC | South Saint Paul | MN | — | ◇ UNVERIFIED |
| SSSierra Space A2 Centennial Location | Centennial | CO | — | ◇ UNVERIFIED |
| SASikorski Aircraft Corporation | Fairburn | GA | — | ◇ UNVERIFIED |
| SVSilicon Valley Wafer Plating Equipment | Santa Clara | CA | — | ◇ UNVERIFIED |
| SISkytronics, INC | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| SASmiths Aerospace | Santa Ana | CA | — | ◇ UNVERIFIED |
| SISmiths Industrial Aerospace Signal Proce | San Diego | CA | — | ◇ UNVERIFIED |
| SSSmith & Smith Aircraft International, LTD. | Wichita | KS | — | ◇ UNVERIFIED |
| SISonfarrel INC | Anaheim | CA | — | ◇ UNVERIFIED |
| SPSouthwest Products CO | Irwindale | CA | — | ◇ UNVERIFIED |
| SLSpace Lok Incorporated | Gardena | CA | — | ◇ UNVERIFIED |
| SISpares INC | Florence | OR | — | ◇ UNVERIFIED |
| SPSpecialized Processing CO INC | El Cajon | CA | — | ◇ UNVERIFIED |
| SCSpectralux Corporation | Redmond | WA | — | ◇ UNVERIFIED |
| SRS & R Precision Company | Fremont | CA | — | ◇ UNVERIFIED |
| SASt Aerospace San Antonio | San Antonio | TX | — | ◇ UNVERIFIED |
| SAStandard Aero San Antonio | San Antonio | TX | — | ◇ UNVERIFIED |
| SAStandard Aero San Antonio | San Antonio | TX | — | ◇ UNVERIFIED |
| SWStatewide Woodfinishing INC | North Hollywood | CA | — | ◇ UNVERIFIED |
| SEStellar Energy Americas, INC. | Jacksonville | FL | — | ◇ UNVERIFIED |
 Sterilis Solutions Model S220 | — | IL | — | ◇ UNVERIFIED |
| SDStratasys Direct Manufacturing | Valencia | CA | — | ◇ UNVERIFIED |
| SDSun Dial & Panel Corporation | Fairfield | NJ | — | ◇ UNVERIFIED |
| SASundstrand Aerospace CORP | Brea | CA | — | ◇ UNVERIFIED |
| SCSunsoft Corporation | Albuquerque | NM | — | ◇ UNVERIFIED |
| SSunvair | Valencia | CA | — | ◇ UNVERIFIED |
| SDSuperior Dry Cleaners | Modesto | CA | — | ◇ UNVERIFIED |
| SASwift-cor Aerospace INC | Gardena | CA | — | ◇ UNVERIFIED |
| SASwift-cor Aerospace, INC. | Gardena | CA | — | ◇ UNVERIFIED |
| SDSyncro Design | Van Nuys | CA | — | ◇ UNVERIFIED |
| S3Systems 3, INC. | Tempe | AZ | — | ◇ UNVERIFIED |
| TPTakata Protection Systems, INC. | Pompano Beach | FL | — | ◇ UNVERIFIED |
| TATanis Aircraft Products | Glenwood | MN | — | ◇ UNVERIFIED |
| TPTarver Propellers, LLC. | Fallon | NV | — | ◇ UNVERIFIED |
| TATase, Aka Hb-medtek | Phoenix | AZ | — | ◇ UNVERIFIED |
| TLTcsp LLC | San Jose | CA | — | ◇ UNVERIFIED |
| TFTeledyne Flir | Niceville | FL | — | ◇ UNVERIFIED |
| TCTennant CO - Golden Valley | Golden Valley | MN | — | ◇ UNVERIFIED |
| TCTennant CO - Plant Ii | Maple Grove | MN | — | ◇ UNVERIFIED |
 Tennant Sales and Service Company | Golden Valley | MN | — | ◇ UNVERIFIED |
| TETest-head Engineering | Rogers | MN | — | ◇ UNVERIFIED |
| TATextron Aviation - Interiors Mfg. Facility (s Maize Rd) | Wichita | KS | — | ◇ UNVERIFIED |
| TGThales Group International | Orlando | FL | — | ◇ UNVERIFIED |
| TBThe Boeing CO | Portland | OR | — | ◇ UNVERIFIED |
| TBThe Boeing Company | Eglin Afb | FL | — | ◇ UNVERIFIED |
| TBThe Boeing Company | Orangeburg | SC | — | ◇ UNVERIFIED |
| TIThe Irvine Company Retail Properties | Newport Beach | CA | — | ◇ UNVERIFIED |
| TLThe Landing Gear Works LLC | Renton | WA | — | ◇ UNVERIFIED |
| TSThermco Systems CORP | Orange | CA | — | ◇ UNVERIFIED |
| TFThermo Fisher Scientific | San Jose | CA | — | ◇ UNVERIFIED |
| TSThe Stero Company | Petaluma | CA | — | ◇ UNVERIFIED |
| TBThomas & Betts CORP. Dba Jennings Technology INC. | San Jose | CA | — | ◇ UNVERIFIED |
| TTThornton Technology Corporation | Oceanside | CA | — | ◇ UNVERIFIED |
| TIT.i. International, LTD. | North Chicago | IL | — | ◇ UNVERIFIED |
| TATimco Aerosystems, LLC | Greensboro | NC | — | ◇ UNVERIFIED |
| TATimco Aerosystems,llc | Winston Salem | NC | — | ◇ UNVERIFIED |
| TATld Ace | Windsor | CT | — | ◇ UNVERIFIED |
| TMTolerance Masters | Circle Pines | MN | — | ◇ UNVERIFIED |
| TWTomorrow Water | Anaheim | CA | — | ◇ UNVERIFIED |
| TTonkawater | Plymouth | MN | — | ◇ UNVERIFIED |
| TATopcast Aviation USA INC. | Pomona | CA | — | ◇ UNVERIFIED |
| TCTown Cleaners LLC | Yuba City | CA | — | ◇ UNVERIFIED |
| TCTowne Cleaners | Claremont | CA | — | ◇ UNVERIFIED |
| TITransdigm INC Adel Wiggins Gr | Los Angeles | CA | — | ◇ UNVERIFIED |
| TATrantek Automation CORP. | Traverse City | MI | — | ◇ UNVERIFIED |
| TFTric Facility | Sparks | NV | — | ◇ UNVERIFIED |
| TCTri City Marble | Newark | CA | — | ◇ UNVERIFIED |
| TRTrinity Rental Services LLC | Lafayette | LA | — | ◇ UNVERIFIED |
| TCTriton Consolidated | Duncanville | TX | — | ◇ UNVERIFIED |
| TATriumph Airborne Structures | Hot Springs | AR | — | ◇ UNVERIFIED |
| TCTriumph Composite Systems INC | Spokane | WA | — | ◇ UNVERIFIED |
| TFTriumph Fabrication Shelbyville | Shelbyville | IN | — | ◇ UNVERIFIED |
| TGTriumph Group | El Cajon | CA | — | ◇ UNVERIFIED |
| TITriumph Interiors Atlanta | Atlanta | GA | — | ◇ UNVERIFIED |
| TITriumph Interiors, INC. | Oakdale | PA | — | ◇ UNVERIFIED |
| TSTriumph Structures Kansas City | Edgerton | KS | — | ◇ UNVERIFIED |
| TSTriumph Structures-los Angeles, INC | Walnut | CA | — | ◇ UNVERIFIED |
| TCTwin City Tool & Engineering INC | Blaine | MN | — | ◇ UNVERIFIED |
 Tyee Aircraft Mckechnie Group | Everett | WA | — | ◇ UNVERIFIED |
| UIUltrax INC | Lees Summit | MO | — | ◇ UNVERIFIED |
| UAUnical Aero INC | City of Industry | CA | — | ◇ UNVERIFIED |
| UAUnique Airmotive | Rock Hill | SC | — | ◇ UNVERIFIED |
| UCUniversal Cargo Doors & Service, INC. | Miami | FL | — | ◇ UNVERIFIED |
| UCUniversal Cargo Doors & Service, INC. | Miami | FL | — | ◇ UNVERIFIED |
| UDUniversal Dry Cleaners | Huntington Beach | CA | — | ◇ UNVERIFIED |
| ULUsaf Luke Air Force Base | Glendale | AZ | — | ◇ UNVERIFIED |
| UAU.s. Air Force 446th Airlift Wing | Joint Base Lewis Mcchord | WA | — | ◇ UNVERIFIED |
| UDU.s. Dept. of Navy | Cherry Point | NC | — | ◇ UNVERIFIED |
| UUUsemco Universal Sanitary Equipment Mfg | Tomah | WI | — | ◇ UNVERIFIED |
| UHU.s. Horizon Manufacturing INC | Valencia | CA | — | ◇ UNVERIFIED |
| USU S Tsubaki INC | Industry | CA | — | ◇ UNVERIFIED |
| UAUtc Aerospace System Dba Goodrich Corporation | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
