| MMMicro Matic USA INC | Brooksville | FL | — | ◇ UNVERIFIED |
| MPMississippi Precision Cast Parts LLC | Columbus | MS | — | ◇ UNVERIFIED |
| MWMotor Wheel Commercial Vehicle Systems INC. | Berea | KY | — | ◇ UNVERIFIED |
| MCMueller CO | Decatur | IL | — | ◇ UNVERIFIED |
| NONational Oilwell Varco/tulsa Multiplex | Tulsa | OK | — | ◇ UNVERIFIED |
| NGNelson Global Products INC | Viroqua | WI | — | ◇ UNVERIFIED |
| NSNet Shapes, INC. | Ontario | CA | — | ◇ UNVERIFIED |
| NINibco INC | Blytheville | AR | — | ◇ UNVERIFIED |
| NINorthern Iron & Machine | Saint Paul | MN | — | ◇ UNVERIFIED |
| OIOklahoma Investment Casting CO | Blackwell | OK | — | ◇ UNVERIFIED |
| OSO'neal Steel INC | Greensboro | NC | — | ◇ UNVERIFIED |
| OSOneal Steel INC | Ambridge | PA | — | ◇ UNVERIFIED |
| OIOsco Industries, INC. New Boston Divisi (0773010180) | New Boston | OH | — | ◇ UNVERIFIED |
| OKO.s. Kelly Company (0812100276) | Springfield | OH | — | ◇ UNVERIFIED |
| PFPac Foundries - Industry | City of Industry | CA | — | ◇ UNVERIFIED |
| PMPackless Metal Hose & Texas Copper Works Divisions | Waco | TX | — | ◇ UNVERIFIED |
| PPParadigm Precision | Malden | MA | — | ◇ UNVERIFIED |
| PHParker Hannifin CORP | Richland | MI | — | ◇ UNVERIFIED |
| PHParker Hannifin CORP Cylinder Div | Saint Marys | OH | — | ◇ UNVERIFIED |
| PHParker Hannifin Sporlan Div - Plant 1 | Washington | MO | — | ◇ UNVERIFIED |
Pcc Structurals, INC. - Aluminum & Stainless Steel Foundry | Ogden | UT | — | ◇ UNVERIFIED |
Pcc Structurals INC - Small Structurals Business Operations | Clackamas | OR | — | ◇ UNVERIFIED |
Precision International LLC | Sistersville | WV | — | ◇ UNVERIFIED |
| PMPrecision Machine INC | Paducah | KY | — | ◇ UNVERIFIED |
| PMPrecision Metalsmiths INC. | Markesan | WI | — | ◇ UNVERIFIED |
| PFProspect Foundry LLC | Minneapolis | MN | — | ◇ UNVERIFIED |
| QCQuaker City Castings (0215090009) | Salem | OH | — | ◇ UNVERIFIED |
| QCQuality Castings CO | Waukesha | WI | — | ◇ UNVERIFIED |
| RIRansohoff INC | Cincinnati | OH | — | ◇ UNVERIFIED |
| RBR. B. Royal Industries | Fond Du Lac | WI | — | ◇ UNVERIFIED |
| RIRebco Inc/kersey | Kersey | PA | — | ◇ UNVERIFIED |
| REReliance Electric CO. | Cleveland | OH | — | ◇ UNVERIFIED |
| RSRh Sheppard Foundry Bendix Hanover | Hanover | PA | — | ◇ UNVERIFIED |
| RARobine and Welch Machine and Tool Company INC | Laurel | MS | — | ◇ UNVERIFIED |
| SSSamuel Son and CO USA INC | Heath | OH | — | ◇ UNVERIFIED |
| SASenior Aerospace Absolute Manufacturing | Arlington | WA | — | ◇ UNVERIFIED |
| SOSfi of Arkansas | Conway | AR | — | ◇ UNVERIFIED |
| SMSimmons Manufacturing | Mcdonough | GA | — | ◇ UNVERIFIED |
| SISimpson Industries INC * | Edon | OH | — | ◇ UNVERIFIED |
| SASputhern Alloy CORP | Sylacauga | AL | — | ◇ UNVERIFIED |
| SCSpx CORP Lightning Div | Rochester | NY | — | ◇ UNVERIFIED |
| SAStandard Alloys Port Arthur | Port Arthur | TX | — | ◇ UNVERIFIED |
| SFStar Foundry & Machine | Salt Lake City | UT | — | ◇ UNVERIFIED |
Steel Industries Plant 4 | Redford | MI | — | ◇ UNVERIFIED |
| SDStreator Dependable Manufacturing | Streator | IL | — | ◇ UNVERIFIED |
Superior Forge & Steel Corporation (pittsburgh, Pa) | Pittsburgh | PA | — | ◇ UNVERIFIED |
| SCSure Cast | Burnet | TX | — | ◇ UNVERIFIED |
| SISystems INC | Germantown | WI | — | ◇ UNVERIFIED |
Team Industries-audubon | Audubon | MN | — | ◇ UNVERIFIED |
| TMTech Met Inc/glassport | Glassport | PA | — | ◇ UNVERIFIED |
| THTexas Honing INC - North Facility | Houston | TX | — | ◇ UNVERIFIED |
| TFTonkawa Foundry INC / Tonkawa Foundry | Tonkawa | OK | — | ◇ UNVERIFIED |
| TITri-con Industries, LTD. Manufacturing Plant | Lincoln | NE | — | ◇ UNVERIFIED |
| TATrw Automotive | Fenton | MI | — | ◇ UNVERIFIED |
Tyco Fire Products Lubbock | Lubbock | TX | — | ◇ UNVERIFIED |
| USUnited Silicone INC | Lancaster | NY | — | ◇ UNVERIFIED |
| UEUniversal Electric Foundry INC | Chicago | IL | — | ◇ UNVERIFIED |
| VNVae Nortrak North America | Newton | KS | — | ◇ UNVERIFIED |
| VIValmet INC | Waukesha | WI | — | ◇ UNVERIFIED |
| VPViking Pump INC - South Main Facility | Cedar Falls | IA | — | ◇ UNVERIFIED |
| VIVulcan Industries, INC. | Moody | AL | — | ◇ UNVERIFIED |
| WFWestern Foundries INC | Longmont | CO | — | ◇ UNVERIFIED |
| WCWheelabrator CORP | Lagrange | GA | — | ◇ UNVERIFIED |
| WCWinchester Coatings | Winchester | KY | — | ◇ UNVERIFIED |
| WPWisconsin Precision Casting CORP | East Troy | WI | — | ◇ UNVERIFIED |
| WIWsi Industries | Monticello | MN | — | ◇ UNVERIFIED |
| XLXaloy, LLC | Austintown, Township of | OH | — | ◇ UNVERIFIED |
| ZIZak INC | Green Island | NY | — | ◇ UNVERIFIED |
478826 Limited | El Dorado Hills | CA | — | ◐ LIKELY ACTIVE |
4e Ventures LLC | Canyon | TX | — | ◐ LIKELY ACTIVE |
55 Industries, LLC | Deerfield Beach | FL | — | ◐ LIKELY ACTIVE |
74 Weld, INC. | El Cajon | CA | — | ◐ LIKELY ACTIVE |
| AMAbsolute Machining Solutions LLC | Lapwai | ID | — | ◐ LIKELY ACTIVE |
Accelerated Tooling LLC | Grand Rapids | MI | — | ◐ LIKELY ACTIVE |
Ace Mechanical Fab LLC | Cherry Tree | PA | — | ◐ LIKELY ACTIVE |
Ace Packaging LLC | Union Springs | AL | — | ◐ LIKELY ACTIVE |
Additive Manufacturing & Engineering, INC. | Huntsville | AL | — | ◐ LIKELY ACTIVE |
| AMAdvanced Machining & Sheetmetal Design, L.l.c | Albuquerque | NM | — | ◐ LIKELY ACTIVE |
| AMAdvance Mfg.co., INC. | Westfield | MA | 100–499 | ▲ REPORTED CLOSED |
| 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 |
A. J. Rose Mfg. CO. | Avon | OH | — | ◐ LIKELY ACTIVE |
Align Precision - North Plains, LLC | North Plains | OR | — | ◐ LIKELY ACTIVE |
American Bully Manufacturing LLC | Annapolis Junction | MD | — | ◐ LIKELY ACTIVE |
Ameri-cure, INC. (u.s.a.) | Gilbert | AZ | — | ◐ LIKELY ACTIVE |
| ASAmeri-cut Solutions, INC. | Porter | TX | — | ◐ LIKELY ACTIVE |
| AMArchitectural Metals LLC | Mystic | CT | — | ◐ LIKELY ACTIVE |
| APArc Precision Acquisition LLC | Isanti | MN | — | ◐ LIKELY ACTIVE |
Ari Skunkworks, INC. | Richmond | UT | — | ◐ LIKELY ACTIVE |
Astor Defense LLC | Palm Coast | FL | — | ◐ LIKELY ACTIVE |
Astro Aircom LLC | Bloomfield | CT | — | ◐ LIKELY ACTIVE |
Astrocraft Engineering LLC | Santa Paula | CA | — | ◐ LIKELY ACTIVE |
Atlas Industrial INC | Bellingham | WA | — | ◐ LIKELY ACTIVE |
| ARAutomated Routing, Inc. Main | Saint Meinrad | IN | 100–499 | ◐ LIKELY ACTIVE |
Axion Labs INC | Westlake | OH | — | ◐ LIKELY ACTIVE |
| BMBandel Mfg., INC. | Los Angeles | CA | 20–99 | ◐ LIKELY ACTIVE |
| BMBaskins Machined Products | Collinsville | OK | 20–99 | ◐ LIKELY ACTIVE |
Baum Precision Machining, INC. | Pipersville | PA | — | ◐ LIKELY ACTIVE |