| FPFulmer / Perma Cast a Division of Motive Power, INC | Export | PA | — | ◇ UNVERIFIED |
| GBGentek Building Prods | Franklin Park | IL | — | ◇ UNVERIFIED |
| GIGlastender INC | Saginaw | MI | — | ◇ UNVERIFIED |
| HMHarding Machine Company Inc-harding Machine INC | East Liberty | OH | — | ◇ UNVERIFIED |
| HSHarford Systems | Aberdeen | MD | — | ◇ UNVERIFIED |
| HSH&h Swiss Screw Machine Products CO | Hillside | NJ | — | ◇ UNVERIFIED |
| HCHowell Cnc and Machine | Lewiston | ID | — | ◇ UNVERIFIED |
| HCHowmet Castings | Winsted | CT | — | ◇ UNVERIFIED |
| HEHunting Energy Service, INC. | Broussard | LA | — | ◇ UNVERIFIED |
| HEHunting Energy Services INC - Schriever Facility | Schriever | LA | — | ◇ UNVERIFIED |
| HIHypertherm INC | Lebanon | NH | — | ◇ UNVERIFIED |
| ISImperial Specialty INC | Pottstown | PA | — | ◇ UNVERIFIED |
| IKInternational Knife & Saw Incorporated | Florence | SC | — | ◇ UNVERIFIED |
| IPIseli Precision LLC. | Walworth | WI | — | ◇ UNVERIFIED |
| JEJ E Adams Industries LTD | Cedar Rapids | IA | — | ◇ UNVERIFIED |
| JMJessen Manufacturing CO INC | Elkhart | IN | — | ◇ UNVERIFIED |
 Johns Manville | Tucson | AZ | — | ◇ UNVERIFIED |
| JGJoy Global-solon Operations | Solon | OH | — | ◇ UNVERIFIED |
| KMKaddis Manufacturing CORP | Rochester | NY | — | ◇ UNVERIFIED |
| KIKennametal Incorporated | New Albany | IN | — | ◇ UNVERIFIED |
| KIKidron INC | Dalton | OH | — | ◇ UNVERIFIED |
| KSK&k Screw Products LLC | East China | MI | — | ◇ UNVERIFIED |
| LRLamb & Ritchie | Saugus | MA | — | ◇ UNVERIFIED |
| LILee Ind INC | Philipsburg | PA | — | ◇ UNVERIFIED |
| LLinamar | Arden | NC | — | ◇ UNVERIFIED |
| LSLinamar Structures USA | Southfield | MI | — | ◇ UNVERIFIED |
| LOLogan Oil Tools, INC. | Houston | TX | — | ◇ UNVERIFIED |
| MHMa Harrison Mfg CO INC | Birmingham | OH | — | ◇ UNVERIFIED |
| MRMajor Reflector Products | Northbrook | IL | — | ◇ UNVERIFIED |
| MTManchester Tank & Equipment CO | Quincy | IL | — | ◇ UNVERIFIED |
| MSManion Steel Barrel | Oil City | PA | — | ◇ UNVERIFIED |
| MIManth-brownell INC | Sullivan | NY | — | ◇ UNVERIFIED |
| MPMartin Petersen CO INC | Kenosha | WI | — | ◇ UNVERIFIED |
| MMMatcor Metal Fabrication | Morton | IL | — | ◇ UNVERIFIED |
| MTMerritt Tool CO INC - Triumph Structures East Texas | Kilgore | TX | — | ◇ UNVERIFIED |
| MSMetal Seal Precision LTD. | Mentor | OH | — | ◇ UNVERIFIED |
| MAMetem a Ge Power Business | Allentown | PA | — | ◇ UNVERIFIED |
| MEMetfab Engineering INC | Attleboro Falls | MA | — | ◇ UNVERIFIED |
| MWMotor Wheel Commercial Vehicle Systems INC. | Berea | KY | — | ◇ UNVERIFIED |
| PPParadigm Precision | Malden | MA | — | ◇ UNVERIFIED |
| PPParadigm Precision | Stuart | FL | — | ◇ UNVERIFIED |
| PHParker Hannifin CORP Cylinder Div | Saint Marys | OH | — | ◇ UNVERIFIED |
 Paul Mueller Company | Osceola | IA | — | ◇ UNVERIFIED |
| PCPonca City Metal Products Faclty | Ponca City | OK | — | ◇ UNVERIFIED |
| PIPrecisionform INC | Lititz | PA | — | ◇ UNVERIFIED |
| PMPrecision Machine INC | Paducah | KY | — | ◇ UNVERIFIED |
| PMPremier Manufacturing | Tualatin | OR | — | ◇ UNVERIFIED |
| PPProduction Products CO | East Syracuse | NY | — | ◇ UNVERIFIED |
| QLQcc LLC | Harwood Heights | IL | — | ◇ UNVERIFIED |
| RLRaytheon Lemmon Avenue | Dallas | TX | — | ◇ UNVERIFIED |
| RBR. B. Royal Industries | Fond Du Lac | WI | — | ◇ UNVERIFIED |
| RIRebco Inc/kersey | Kersey | PA | — | ◇ UNVERIFIED |
| RSRexnord Seal Division | Wheeling | IL | — | ◇ UNVERIFIED |
| RARobine and Welch Machine and Tool Company INC | Laurel | MS | — | ◇ UNVERIFIED |
| RMRockwood Mfg Co/rockwood | Rockwood | PA | — | ◇ UNVERIFIED |
| RSR.w. Screw Products, INC. | Massillon | OH | — | ◇ UNVERIFIED |
| SSSamuel, Son & CO. (usa) INC. D/b/a Samuel Pressure Vessel Group- Tomahawk | Tomahawk | WI | — | ◇ UNVERIFIED |
| SMSelkirk Metalbestos | Nampa | ID | — | ◇ UNVERIFIED |
| SASenior Aerospace Absolute Manufacturing | Arlington | WA | — | ◇ UNVERIFIED |
| SISimpson Industries INC * | Edon | OH | — | ◇ UNVERIFIED |
| SESmith Equipment Manufacturing | Watertown | SD | — | ◇ UNVERIFIED |
| SASouthern Aluminum Finishing CO Winston Paint | Villa Rica | GA | — | ◇ UNVERIFIED |
| SFSpecialty Fabrication & Powd Er Coating LLC | Franklin | PA | — | ◇ UNVERIFIED |
 Spg International LLC Br #x032 Universal Brand | Aurora | CO | — | ◇ UNVERIFIED |
| SCSpx CORP Lightning Div | Rochester | NY | — | ◇ UNVERIFIED |
| SFSpx Flow US INC | Delavan | WI | — | ◇ UNVERIFIED |
| SPStar Precision | Longmont | CO | — | ◇ UNVERIFIED |
 Steel Industries Plant 4 | Redford | MI | — | ◇ UNVERIFIED |
| SMSwagelok Manufacturing CO LLC | Solon | OH | — | ◇ UNVERIFIED |
| SMSwagelok Manufacturing CO LLC | Cleveland | OH | — | ◇ UNVERIFIED |
 Team Industries Park Rapids | Park Rapids | MN | — | ◇ UNVERIFIED |
| TMTech Met Inc/glassport | Glassport | PA | — | ◇ UNVERIFIED |
| THTexas Honing INC - North Facility | Houston | TX | — | ◇ UNVERIFIED |
| TUTimken US CORP Honea Path | Honea Path | SC | — | ◇ UNVERIFIED |
| WSWaterbury Screw Machine Products | Waterbury | CT | — | ◇ UNVERIFIED |
| WWWebb Wheel | Cullman | AL | — | ◇ UNVERIFIED |
| WCWheelabrator CORP | Lagrange | GA | — | ◇ UNVERIFIED |
| WIWsi Industries | Monticello | MN | — | ◇ UNVERIFIED |
| XLXaloy, LLC | Austintown, Township of | OH | — | ◇ UNVERIFIED |
| ZIZak INC | Green Island | NY | — | ◇ UNVERIFIED |
 21 Machine and Fab LLC | Forest | MS | — | ◐ LIKELY ACTIVE |
 478826 Limited | El Dorado Hills | CA | — | ◐ LIKELY ACTIVE |
 55 Industries, LLC | Deerfield Beach | FL | — | ◐ LIKELY ACTIVE |
 74 Weld, INC. | El Cajon | CA | — | ◐ LIKELY ACTIVE |
 Aait Technocraft Scaffold Distribution LLC | Houston | TX | — | ◐ LIKELY ACTIVE |
| AMAbsolute Machining Solutions LLC | Lapwai | ID | — | ◐ LIKELY ACTIVE |
 Accelerated Tooling LLC | Grand Rapids | MI | — | ◐ LIKELY ACTIVE |
 Accubeam Laser Marking INC | Sarasota | FL | — | ◐ LIKELY ACTIVE |
| AMAdvanced Machining & Sheetmetal Design, L.l.c | Albuquerque | NM | — | ◐ LIKELY ACTIVE |
 Advanced Piping Products Incorporated | Houston | TX | — | ◐ LIKELY ACTIVE |
| AMAdvance Mfg.co., INC. | Westfield | MA | 100–499 | ▲ REPORTED CLOSED |
 Aei Fabrication, LLC | Mesa | AZ | — | ◐ LIKELY ACTIVE |
 Aereos, INC. | Euless | TX | — | ◐ LIKELY ACTIVE |
| AAAero Apmc INC | Franklin Park | IL | — | ◐ LIKELY ACTIVE |
| AIAerodef Innovatec LLC | Mooresville | NC | — | ◐ LIKELY ACTIVE |
 Aero Technology Manufacturing, INC. | Doral | FL | — | ◐ LIKELY ACTIVE |
| ACAgi Corporation | Huntsville | AL | — | ◐ LIKELY ACTIVE |
 Align Precision - North Plains, LLC | North Plains | OR | — | ◐ LIKELY ACTIVE |
 American Bully Manufacturing LLC | Annapolis Junction | MD | — | ◐ LIKELY ACTIVE |
| ASAmerican Steel Fabricators | Greenfield | NH | 20–99 | ◐ LIKELY ACTIVE |
