| ARAmerican Railcar Industries | Jackson | MO | — | ◇ UNVERIFIED |
| BSBaity Screw Machine Prods INC | Chickasha | OK | — | ◇ UNVERIFIED |
| BHBaker Hughes - Hughes Christensen | The Woodlands | TX | — | ◇ UNVERIFIED |
| BCBesser CO | Sioux City | IA | — | ◇ UNVERIFIED |
| BQBesser Quinn Machine & Foundry | Boone | IA | — | ◇ UNVERIFIED |
| BMBorisch Manufacturing CORP | Grand Rapids | MI | — | ◇ UNVERIFIED |
| CICapintec, INC. | Florham Park | NJ | — | ◇ UNVERIFIED |
| CCCarlyle Compressor Remanufacturing | Stone Mountain | GA | — | ◇ UNVERIFIED |
| CCCascade CORP (0812100207) | Springfield | OH | — | ◇ UNVERIFIED |
| CRCaterpillar Remanufacturing Drivetrain LLC | West Fargo | ND | — | ◇ UNVERIFIED |
| CWCatoe's Welding & Fabrication INC | Rock Hill | SC | — | ◇ UNVERIFIED |
| CPCharlotte Pipe and Foundry Company | Charlotte | NC | — | ◇ UNVERIFIED |
| CMCharter Manufacturing CO INC | Woodstock | IL | — | ◇ UNVERIFIED |
| CCChromalloy Connecticut | Wallingford | CT | — | ◇ UNVERIFIED |
| CCChrome Craft | Sacramento | CA | — | ◇ UNVERIFIED |
| CDChrome Deposit CORP | Akron | OH | — | ◇ UNVERIFIED |
| CMColby Metal INC | Colby | WI | — | ◇ UNVERIFIED |
| CCCook Compression | Jeffersonville | IN | — | ◇ UNVERIFIED |
| CCCopeland CORP | Hartselle | AL | — | ◇ UNVERIFIED |
| CICorning INC - Erwin Manufacturing Complex | Painted Post | NY | — | ◇ UNVERIFIED |
| CCCrenlo Cab Products INC - Plant 2 | Rochester | MN | — | ◇ UNVERIFIED |
| CDCrouse-hinds Div of Cooper Inds | Amarillo | TX | — | ◇ UNVERIFIED |
| CCCrown Casting INC | Hodges | SC | — | ◇ UNVERIFIED |
| DLDavis Lynch | Pearland | TX | — | ◇ UNVERIFIED |
| DRDiesel Radiator CO | Melrose Park | IL | — | ◇ UNVERIFIED |
 Dubose Strapping Inc.-treatment Plant #1 | Crawfordsville | IN | — | ◇ UNVERIFIED |
| EJEast Jordan Foundry LLC | Elmira | MI | — | ◇ UNVERIFIED |
| EIEbaa Iron Eastland Plant | Eastland | TX | — | ◇ UNVERIFIED |
| EMElkay Mfg | Broadview | IL | — | ◇ UNVERIFIED |
| EPElkay Plumbing Products Company | Ogden | UT | — | ◇ UNVERIFIED |
| EMEriez Magnetics Wager | Erie | PA | — | ◇ UNVERIFIED |
| EFEureka Foundry Company | Chattanooga | TN | — | ◇ UNVERIFIED |
| FCFord Cleveland Casting Plant | Brookpark | OH | — | ◇ UNVERIFIED |
| FPFulmer / Perma Cast a Division of Motive Power, INC | Export | PA | — | ◇ UNVERIFIED |
 General Carbide CORP | Greensburg | PA | — | ◇ UNVERIFIED |
| GTGoulds Turbine Foundry | Slaton | TX | — | ◇ UNVERIFIED |
| GIGray Iron Fndry | Blackwell | OK | — | ◇ UNVERIFIED |
| GGGsi Group | Taylorville | IL | — | ◇ UNVERIFIED |
| HLHawkline LLC | Mount Orab | OH | — | ◇ UNVERIFIED |
| HSHazelett Strip-casting | Colchester | VT | — | ◇ UNVERIFIED |
| HMHogan Manufacturing, INC | Escalon | CA | — | ◇ UNVERIFIED |
| HCHowell Cnc and Machine | Lewiston | ID | — | ◇ UNVERIFIED |
| HCHowmet Castings | Winsted | CT | — | ◇ UNVERIFIED |
| HEHunting Energy Service, INC. | Broussard | LA | — | ◇ UNVERIFIED |
| ICId Castings Building Demolition | Noblesville | IN | — | ◇ UNVERIFIED |
| IPIngersoll-dresser Pump CO | Hastings | NE | — | ◇ UNVERIFIED |
| IKInternational Knife & Saw Incorporated | Florence | SC | — | ◇ UNVERIFIED |
| IPIseli Precision LLC. | Walworth | WI | — | ◇ UNVERIFIED |
| JMJessen Manufacturing CO INC | Elkhart | IN | — | ◇ UNVERIFIED |
 Johns Manville | Tucson | AZ | — | ◇ UNVERIFIED |
| JGJoy Global-solon Operations | Solon | OH | — | ◇ UNVERIFIED |
| KIKennametal Incorporated | New Albany | IN | — | ◇ UNVERIFIED |
| KSK&k Screw Products LLC | East China | MI | — | ◇ UNVERIFIED |
| LLinamar | Arden | NC | — | ◇ UNVERIFIED |
| LSLinamar Structures USA | Southfield | MI | — | ◇ UNVERIFIED |
| LOLogan Oil Tools, INC. | Houston | TX | — | ◇ UNVERIFIED |
| MSMaca Supply CO | Springville | UT | — | ◇ UNVERIFIED |
| MHMa Harrison Mfg CO INC | Birmingham | OH | — | ◇ UNVERIFIED |
| MRMajor Reflector Products | Northbrook | IL | — | ◇ UNVERIFIED |
| MMMarine Mechanical CORP | Cleveland | OH | — | ◇ UNVERIFIED |
| MTMerritt Tool CO INC - Triumph Structures East Texas | Kilgore | TX | — | ◇ UNVERIFIED |
| MTMetal Technologies INC -three Rivers Gray Iron | Three Rivers | MI | — | ◇ UNVERIFIED |
| MAMetem a Ge Power Business | Allentown | PA | — | ◇ UNVERIFIED |
| MMMicro Matic USA INC | Brooksville | FL | — | ◇ 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 |
| NINibco INC | Blytheville | AR | — | ◇ UNVERIFIED |
| NINorthern Iron & Machine | Saint Paul | MN | — | ◇ 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 |
| 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 |
 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 |
| 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 |
| SCSpx CORP Lightning Div | Rochester | NY | — | ◇ UNVERIFIED |
| SAStandard Alloys Port Arthur | Port Arthur | TX | — | ◇ UNVERIFIED |
 Steel Industries Plant 4 | Redford | MI | — | ◇ UNVERIFIED |
| SDStreator Dependable Manufacturing | Streator | IL | — | ◇ UNVERIFIED |
| SISystems INC | Germantown | WI | — | ◇ UNVERIFIED |
