| PFPioneer Forge Div. of Powers and Sons, LLC | Pioneer | OH | 20–99 | ◐ LIKELY ACTIVE |
| PCPresrite Corporation Technical Division | Eastlake | OH | 20–99 | ◐ LIKELY ACTIVE |
| PFPress Forge CO | Paramount | CA | 20–99 | ◐ LIKELY ACTIVE |
| RWRace Winning Brands | Mentor | OH | 100–499 | ◐ LIKELY ACTIVE |
| RERail Exchange INC | Chicago Heights | IL | 20–99 | ◐ LIKELY ACTIVE |
| RBRassini Brakes | Flint | MI | 100–499 | ◐ LIKELY ACTIVE |
| RPREELL Precision Manufacturing Corporation | Saint Paul | MN | 100–499 | ◐ LIKELY ACTIVE |
| RMRingmasters Mfg LLC | Wayne | MI | 20–99 | ◐ LIKELY ACTIVE |
| SESamtan Engineering, LLC | Malden | MA | — | ◐ LIKELY ACTIVE |
| STSchaefer Tool and Manufacturing CO. INC. | Milwaukee | WI | 20–99 | ◐ LIKELY ACTIVE |
| SMShawmut Metal Products INC | Swansea | MA | 20–99 | ◐ LIKELY ACTIVE |
| SMSpecial Metals Dunkirk | Dunkirk | NY | 20–99 | ◐ LIKELY ACTIVE |
| SFSpencer Forge & Mfg. | Spencer | OH | 1–19 | ◐ LIKELY ACTIVE |
| STSteel Tech of the Ozarks | Monett | MO | 20–99 | ◐ LIKELY ACTIVE |
| TDT & D Metal Products | Watseka | IL | 100–499 | ◐ LIKELY ACTIVE |
| TTTrend Technologies | Elk Grove Village | IL | 100–499 | ◐ LIKELY ACTIVE |
| TBTriad Bellows | Anaheim | CA | 20–99 | ◐ LIKELY ACTIVE |
| TSTri-fab Steel INC | Birmingham | AL | 20–99 | ◐ LIKELY ACTIVE |
| UBUnited Brass Manufacturer | Romulus | MI | 1–19 | ◐ LIKELY ACTIVE |
| VMVestal Manufacturing Company | Sweetwater | TN | 100–499 | ◐ LIKELY ACTIVE |
| VFViking Forge CORP. | Streetsboro | OH | 100–499 | ◐ LIKELY ACTIVE |
| VSVulcan Steam Forging | Buffalo | NY | 20–99 | ◐ LIKELY ACTIVE |
| WSWescott Steel INC. | Trevose | PA | 20–99 | ◐ LIKELY ACTIVE |
| WFWestern Forge & Flange CO. | Cleveland | TX | 100–499 | ◐ LIKELY ACTIVE |
| WSWheatland Steel Processing | Hermitage | PA | 20–99 | ◐ LIKELY ACTIVE |
| WSWorthington Steel Taylor | Taylor | MI | 20–99 | ◐ LIKELY ACTIVE |
| 1E10055 E 56th St N | Tulsa | OK | — | ◇ UNVERIFIED |
| AMAam Metal Forming Auburn Hills Manufacturing Complex | Auburn Hills | MI | — | ◇ UNVERIFIED |
| AHAmeri-forge Houston | Houston | TX | — | ◇ UNVERIFIED |
| AFAnderson Fittings | Brave | PA | — | ◇ UNVERIFIED |
| AArconic | Rochester | NY | — | ◇ UNVERIFIED |
| AFAti Forged Products | Irvine | CA | — | ◇ UNVERIFIED |
 Ayrshire Electronics of Arkansas LLC Dba Keytronicems | Fayetteville | AR | — | ◇ UNVERIFIED |
| BSBae Systems Land & Armaments LP | Anniston | AL | — | ◇ UNVERIFIED |
| BFBharat Forge America INC. | Lansing | MI | — | ◇ UNVERIFIED |
| BFBharat Forge Pmt Technologies | Surgoinsville | TN | — | ◇ UNVERIFIED |
| BOBlount Oregon Cutting Systems Division | Portland | OR | — | ◇ UNVERIFIED |
| BDBrougher Dba Forge USA | Houston | TX | — | ◇ UNVERIFIED |
 Carpenter Technology CORP | Tanner | AL | — | ◇ UNVERIFIED |
| CKCascade Kenhar INC | Findlay | OH | — | ◇ UNVERIFIED |
| CFCerro Fabricated Products LLC - Weyers Cave | Weyers Cave | VA | — | ◇ UNVERIFIED |
 Cornell Forge CO | Bedford Park | IL | — | ◇ UNVERIFIED |
| CFCorry Forge | Corry | PA | — | ◇ UNVERIFIED |
| CCCrown Cork & Seal CO (usa) INC Crown Closure Div | Weirton | WV | — | ◇ UNVERIFIED |
| DCDana CORP | Longview | TX | — | ◇ UNVERIFIED |
| DFDayton Forging and Heat Treating | Dayton | OH | — | ◇ UNVERIFIED |
| DFDekalb Forge CO | Dekalb | IL | — | ◇ UNVERIFIED |
| DIDixie Industries | Chattanooga | TN | — | ◇ UNVERIFIED |
| DSDubuque Stamping & Manufacturing INC | Dubuque | IA | — | ◇ UNVERIFIED |
| ECEaton Corporation | South Bend | IN | — | ◇ UNVERIFIED |
| EMEaton Mdh Company INC | Kearney | NE | — | ◇ UNVERIFIED |
| ECEyelet Crafters INC | Waterbury | CT | — | ◇ UNVERIFIED |
| FRFirth Rixson Forgings LLC | Midway | GA | — | ◇ UNVERIFIED |
| FAFloyd and Beasley Transfer CO | Sycamore | AL | — | ◇ UNVERIFIED |
| FMFord Motor CO | Chicago Heights | IL | — | ◇ UNVERIFIED |
| FMFord Motor CO - Woodhaven Forging Plant | Woodhaven | MI | — | ◇ UNVERIFIED |
| FCForged Components Humble Facility | Humble | TX | — | ◇ UNVERIFIED |
| FCForged Components, INC. | Kountze | TX | — | ◇ UNVERIFIED |
| FCForged Components, INC. | Navasota | TX | — | ◇ UNVERIFIED |
| FGForge Group Cardinal LLC Dba Cardinal Forge Company | Rochelle | IL | — | ◇ UNVERIFIED |
| FLFormtech LLC | Royal Oak | MI | — | ◇ UNVERIFIED |
| FVFox Valley Forge CO | Aurora | IL | — | ◇ UNVERIFIED |
| GDGeneral Dynamics Ots (wilkes-barre) LLC - Main Facility | Wilkes Barre | PA | — | ◇ UNVERIFIED |
| HCHeat & Control INC | Hayward | CA | — | ◇ UNVERIFIED |
| HFHhi Formtech-fraser | Fraser | MI | — | ◇ UNVERIFIED |
| HFHhi - Formtech LLC | Troy | MI | — | ◇ UNVERIFIED |
| IFIllinois Forge CO | Rock Falls | IL | — | ◇ UNVERIFIED |
| IFImpact Forge Incorporated | Columbus | IN | — | ◇ UNVERIFIED |
| JIJernberg Industries INC | Chicago | IL | — | ◇ UNVERIFIED |
| MFMaass Flange Corp.- Sealy | Sealy | TX | — | ◇ UNVERIFIED |
| MFMeadville Forging Co/meadville Plt | Meadville | PA | — | ◇ UNVERIFIED |
| MUMersen USA Bn Corp, Bay City Branch | Bay City | MI | — | ◇ UNVERIFIED |
| MLMetaldyne LLC | North Vernon | IN | — | ◇ UNVERIFIED |
| MCMetform CORP | Savanna | IL | — | ◇ UNVERIFIED |
| MIMsp Industries | Oxford | MI | — | ◇ UNVERIFIED |
| NONibco of Virginia INC | Stuarts Draft | VA | — | ◇ UNVERIFIED |
| PHParker Hannifin CORP - Fluid Connector Group - Fsc Div | Albion | IN | — | ◇ UNVERIFIED |
| PFPortland Forge an Alleghenyte Chnology CO | Lebanon | KY | — | ◇ UNVERIFIED |
| PFPortland Forge, an Allegheny Teledyne Company | Portland | IN | — | ◇ UNVERIFIED |
| PPPrecision Pulley & Idler INC Corning Plants | Corning | IA | — | ◇ UNVERIFIED |
| PCPresrite CORP Jefferson Div | Jefferson | OH | — | ◇ UNVERIFIED |
| PRProgress Rail | Atchison | KS | — | ◇ UNVERIFIED |
| RCRexnord Corporation | Morganton | NC | — | ◇ UNVERIFIED |
 Rittal North America, LLC (0111000132) | Urbana | OH | — | ◇ UNVERIFIED |
| SFScot Forge CO | Franklin Park | IL | — | ◇ UNVERIFIED |
| SPShannon Precision Fastener | Madison Heights | MI | — | ◇ UNVERIFIED |
| SESoutheastern Extrusion & Tool INC | Florence | AL | — | ◇ UNVERIFIED |
 Steel Industries Plant 1 | Detroit | MI | — | ◇ UNVERIFIED |
| SFStorms Forge Incorporated | Springfield, City of | MA | — | ◇ UNVERIFIED |
| SMSwagelok Manufacturing Co., LLC | Solon | OH | — | ◇ UNVERIFIED |
| SMSymmetry Medical INC Polyvac | Manchester | NH | — | ◇ UNVERIFIED |
| TUTekfor USA | Wooster | OH | — | ◇ UNVERIFIED |
| TPThyssenkrupp Precision Forge INC | Selma | NC | — | ◇ UNVERIFIED |
| TBToyota Boshoku (formerly Arj Manufacturing, Llc) | Jackson | TN | — | ◇ UNVERIFIED |
| UAUS Army Scranton Army Ammunition Plant | Scranton | PA | — | ◇ UNVERIFIED |
| USU S Army Watervliet Arsenal | Watervliet | NY | — | ◇ UNVERIFIED |
| UTUS Tsubaki Automotive Division Manufacturing Plant | Chicopee | MA | — | ◇ UNVERIFIED |
| WAWeatherford Artificial Lift Systems INC | Greenville | TX | — | ◇ UNVERIFIED |
| WCWyman-gordon CO | Worcester | MA | — | ◇ UNVERIFIED |
| WFWyman-gordon Forgings,inc. | Rockaway | NJ | — | ◇ UNVERIFIED |
