| VLVektek LLC | Emporia | KS | — | ◐ LIKELY ACTIVE |
| VGVenture Global Engineering IC | Imlay City | MI | 20–99 | ◐ LIKELY ACTIVE |
| VTVictory Tool INC | Anoka | MN | 20–99 | ◐ LIKELY ACTIVE |
| WTWalker Tool & Die | Grand Rapids | MI | 20–99 | ◐ LIKELY ACTIVE |
| WTWestlake Tool & Die | Avon | OH | 20–99 | ◐ LIKELY ACTIVE |
| WFWilliams Form Engineering Nebraska | Wayne | NE | 20–99 | ◐ LIKELY ACTIVE |
| WPWilmington Precision Machining, INC. | Wilmington | OH | 20–99 | ◐ LIKELY ACTIVE |
| WMWilson Manufacturing Company | Saint Louis | MO | 100–499 | ◐ LIKELY ACTIVE |
| WCWolverine Carbide and Tool INC | Troy | MI | 20–99 | ◐ LIKELY ACTIVE |
| WWWrought Washer Mfg INC | Milwaukee | WI | 20–99 | ◐ LIKELY ACTIVE |
| WMW/s Machine & Tool, INC. | New Berlin | WI | 20–99 | ◐ LIKELY ACTIVE |
| 5M5a-tn Machine LLC | Houston | TX | — | ◐ LIKELY ACTIVE |
| AEAggressive Engineering, INC | Blaine | MN | — | ◐ LIKELY ACTIVE |
| BMBliss Machine, LTD. | Darien | WI | — | ◐ LIKELY ACTIVE |
| HIHts-engineering, INC | Oceanside | CA | — | ◐ LIKELY ACTIVE |
| AFAlcoa Fastening Systems | Tucson | AZ | — | ◇ UNVERIFIED |
| AGAlcoa Global Fastening Systems C/o Howmet Fastening Systems | City of Industry | CA | — | ◇ UNVERIFIED |
| AIAtf INC | Lincolnwood | IL | — | ◇ UNVERIFIED |
| CLCamcar LLC - Spencer Operations | Spencer | TN | — | ◇ UNVERIFIED |
| CACherry Aerospace | Santa Ana | CA | — | ◇ UNVERIFIED |
| CRChicago Rivet & Mach/tyrone Plt | Tyrone | PA | — | ◇ UNVERIFIED |
| CTChicago Turnrite CO | Chicago | IL | — | ◇ UNVERIFIED |
| CMContinental Midland, LLC | Valparaiso | IN | — | ◇ UNVERIFIED |
| CFCorometrics Facility | Wallingford | CT | — | ◇ UNVERIFIED |
| DPDayton Progress Corporation | West Carrollton | OH | — | ◇ UNVERIFIED |
| DODecorah Operations Acument Global Technologies Camcar LLC | Decorah | IA | — | ◇ UNVERIFIED |
| DMDelaware Machinery & Tool CO INC | Muncie | IN | — | ◇ UNVERIFIED |
| ETEmhart Teknlogies | Hopkinsville | KY | — | ◇ UNVERIFIED |
| FHFairchild Holding CORP Fairchild Fasten | Fullerton | CA | — | ◇ UNVERIFIED |
| FIFanello Industries | Lavonia | GA | — | ◇ UNVERIFIED |
| FCFastenal CO Manufacturing | Winona | MN | — | ◇ UNVERIFIED |
| FCFerry Cap & Set Screw - Lakewood | Lakewood | OH | — | ◇ UNVERIFIED |
| FFFontana Fasteners Incorporated | Frankfort | IN | — | ◇ UNVERIFIED |
| FMFord Motor CO Rouge Complex | Dearborn | MI | — | ◇ UNVERIFIED |
| HIHuck International Waco | Waco | TX | — | ◇ UNVERIFIED |
| ICIdeal Clamp Products Fka Tridon Products | Smyrna | TN | — | ◇ UNVERIFIED |
| ICItw Ccna Pna Construction Technologies | Charlotte | NC | — | ◇ UNVERIFIED |
| IRItw Ramset Red Head | Paris | KY | — | ◇ UNVERIFIED |
| IBIwata Bolt USA INC | Fairfield | OH | — | ◇ UNVERIFIED |
| JMJacobson Mfg LLC | Medina | OH | — | ◇ UNVERIFIED |
| JMJ & M Plating CO | Rockford | IL | — | ◇ UNVERIFIED |
| KIKamax INC | Lapeer | MI | — | ◇ UNVERIFIED |
| KBKocher + Beck USA LP | Lenexa | KS | — | ◇ UNVERIFIED |
| LWL & W Engineering CO Plt #1 | Belleville | MI | — | ◇ UNVERIFIED |
| MCMaclean-fogg Component Solutions | Richmond | IL | — | ◇ UNVERIFIED |
| MCMaclean-fogg Component Systems | Mundelein | IL | — | ◇ UNVERIFIED |
| MMMaclean Maynard-chesterfield | Chesterfield | MI | — | ◇ UNVERIFIED |
| MLMetform LLC | Mount Carroll | IL | — | ◇ UNVERIFIED |
| MPMnp Precision Parts LLC | Rockford | IL | — | ◇ UNVERIFIED |
| MCMw Components - Houston Fasteners | Houston | TX | — | ◇ UNVERIFIED |