Advanced Heat Treat CORP. | Cullman | AL | Fabricated Metal Product Manufacturing332811 | — | ◐ LIKELY ACTIVE |
| AMAjax Metal Processing-cold | Warren | MI | Fabricated Metal Product Manufacturing332811 | — | ◐ LIKELY ACTIVE |
| ABAmerican Brazing Division | Willoughby | OH | Fabricated Metal Product Manufacturing332811 | — | ◐ LIKELY ACTIVE |
| AMAmerican Metal Treating INC | High Point | NC | Fabricated Metal Product Manufacturing332811 | — | ◐ LIKELY ACTIVE |
| BTBluewater Thermal Solutions-chicago 2 | Northlake | IL | Fabricated Metal Product Manufacturing332811 | — | ◐ LIKELY ACTIVE |
| BMBombardier Motor Corporation of America | Andrews | NC | Fabricated Metal Product Manufacturing332811 | — | ◐ LIKELY ACTIVE |
| CMCaribe Metallurgical | Bayamon | PR | Fabricated Metal Product Manufacturing332811 | — | ◐ LIKELY ACTIVE |
| CSCentury Sun Metals | Traverse City | MI | Fabricated Metal Product Manufacturing332811 | — | ◐ LIKELY ACTIVE |
| CIChem-plate Industries INC | Elk Grove Village | IL | Fabricated Metal Product Manufacturing332811 | — | ◐ LIKELY ACTIVE |
| CHColeman Heat Treating, INC. | Jacksonville | AR | Fabricated Metal Product Manufacturing332811 | — | ◐ LIKELY ACTIVE |
| EFEconomy Fasteners INC | Rockford | IL | Fabricated Metal Product Manufacturing332811 | — | ◐ LIKELY ACTIVE |
| EPExport Plt | Export | PA | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| FLFpm LLC | Cherry Valley | IL | Fabricated Metal Product Manufacturing332811 | — | ◐ LIKELY ACTIVE |
| FLFpm LLC | Elk Grove Village | IL | Fabricated Metal Product Manufacturing332811 | — | ◐ LIKELY ACTIVE |
| GFGmp Friction Products CO | Akron | OH | Fabricated Metal Product Manufacturing332811 | — | ◐ LIKELY ACTIVE |
| HHHayes Heat Treating | Cranston | RI | Fabricated Metal Product Manufacturing332811 | — | ◐ LIKELY ACTIVE |
| HMHudapack Metal Treating of Illinois INC | Glendale Heights | IL | Fabricated Metal Product Manufacturing332811 | — | ◐ LIKELY ACTIVE |
| ISIndustrial Steel Treat CO | Jackson | MI | Fabricated Metal Product Manufacturing332811 | — | ◐ LIKELY ACTIVE |
| KBKoyo Bearings USA LLC | Walhalla | SC | Fabricated Metal Product Manufacturing332811 | — | ◐ LIKELY ACTIVE |
| NMNitrex Metal Technologies INC | Mason | MI | Fabricated Metal Product Manufacturing332811 | — | ◐ LIKELY ACTIVE |
| NNitrosteel | Pleasant Prairie | WI | Fabricated Metal Product Manufacturing332811 | — | ◐ LIKELY ACTIVE |
| PPPaulo Prods CO | Murfreesboro | TN | Fabricated Metal Product Manufacturing332811 | — | ◐ LIKELY ACTIVE |
| RPRiverdale Plating and Heat Treating CO | Riverdale | IL | Fabricated Metal Product Manufacturing332811 | — | ◐ LIKELY ACTIVE |
| SUSaf-holland Usa, INC. | Dumas | AR | Fabricated Metal Product Manufacturing332811 | — | ◐ LIKELY ACTIVE |
| SIScot Inds. | Lone Star | TX | Fabricated Metal Product Manufacturing332811 | — | ◐ LIKELY ACTIVE |
| SIScot Industries | Muscoda | WI | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| STSteel Treaters INC | Oriskany | NY | Fabricated Metal Product Manufacturing332811 | — | ◐ LIKELY ACTIVE |
| SWSteel Warehouse CO LLC | South Bend | IN | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| TCTeikuro CORP | Springfield | OH | Fabricated Metal Product Manufacturing332811 | — | ◐ LIKELY ACTIVE |
| UCUnited County Ind Dba County Heat Treat | Millbury | MA | Fabricated Metal Product Manufacturing332811 | — | ◐ LIKELY ACTIVE |
| VSVallourec Star LP / Muskogee Plt | Muskogee | OK | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| WIWoodworth INC. Flint | Flint | MI | Fabricated Metal Product Manufacturing332811 | — | ◐ LIKELY ACTIVE |
| AAAtmosphere Annealing - Bassett Fac | Lansing | MI | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| BHBennett Heat Treating CO INC | Newark | NJ | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| AMAero Metal Finishing, LLC | Fenton | MO | Fabricated Metal Product Manufacturing332811 | — | ◐ LIKELY ACTIVE |
Applied Ultrasonics LLC | Union Grove | AL | Fabricated Metal Product Manufacturing332811 | — | ◐ LIKELY ACTIVE |
| PSPearl Street - Therm-tech of Waukesha, INC. | Waukesha | WI | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| PMPoly Metal Finishing INC | Springfield | MA | Fabricated Metal Product Manufacturing332811 | — | ◐ LIKELY ACTIVE |
| SCSousa Corp., the | Newington | CT | Fabricated Metal Product Manufacturing332811 | — | ◐ LIKELY ACTIVE |
| TCThe Colson Group, LLC | Murfreesboro | TN | Fabricated Metal Product Manufacturing332811 | 1-19 | ◐ LIKELY ACTIVE |
| MPMetallurgical Processing CO | Warren | MI | Fabricated Metal Product Manufacturing332811 | — | ◐ LIKELY ACTIVE |
| MMetlab | Glenside | PA | Fabricated Metal Product Manufacturing332811 | — | ◐ LIKELY ACTIVE |
| MSMetallurgical Solutions, INC. | Providence | RI | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| NHNelson Heat Treating Co, INC | Waterbury | CT | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| SMSuperior Metal Treating & Equipment INC | Kansas City | MO | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| TMThermal Metal Treating INC | Aberdeen | NC | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| 9M94016 - Metal Treaters INC | Saint Paul | MN | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| 9I96921 - Inthermo INC | Lakeville | MN | Fabricated Metal Product Manufacturing332811 | 1-19 | ◐ LIKELY ACTIVE |
| ASAalberts Surface Technologies Ab, INC. | Goffstown | NH | Fabricated Metal Product Manufacturing332811 | — | ▲ REPORTED CLOSED |
| ASAalberts Surface Technologies Fairforest, INC. | Greenville | SC | Fabricated Metal Product Manufacturing332811 | — | ◐ LIKELY ACTIVE |