| ASAalberts Surface Technologies Aa, LLC | Lansing | MI | Fabricated Metal Product Manufacturing332811 | — | ◐ LIKELY ACTIVE |
| ASAalberts Surface Technologies Ab, INC. | Manchester | CT | Fabricated Metal Product Manufacturing332811 | — | ◐ LIKELY ACTIVE |
| ASAalberts Surface Technologies Oshkosh, INC. | Oshkosh | WI | Fabricated Metal Product Manufacturing332811 | — | ◐ LIKELY ACTIVE |
| ASAddison Support Service LLC | Columbia | SC | Fabricated Metal Product Manufacturing332811 | — | ◐ LIKELY ACTIVE |
| AHAl-fe Heat Treating-defiance LLC | Defiance | OH | Fabricated Metal Product Manufacturing332811 | — | ◐ LIKELY ACTIVE |
| AHAl-fe Heat Treating-ohio, LLC | Wadsworth | OH | Fabricated Metal Product Manufacturing332811 | — | ◐ LIKELY ACTIVE |
| AHAmerican Heat Treating Alabama, LLC | Anniston | AL | Fabricated Metal Product Manufacturing332811 | — | ◐ LIKELY ACTIVE |
| AHApollo Heat Treat/Titan Metalurgy | Oak Park | MI | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| AAAtmosphere Annealing Mt Hope | Lansing | MI | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| BHBennett Heat Treating and Brazing Co., INC. | Warminster | PA | Fabricated Metal Product Manufacturing332811 | — | ◐ LIKELY ACTIVE |
| BCBlue Chip Machining LLC | Caseville | MI | Fabricated Metal Product Manufacturing332811 | 1-19 | ◐ LIKELY ACTIVE |
| BTBluewater Thermal Solutions - Benton Harbor | Benton Harbor | MI | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| BTBluewater Thermal Solutions - Chicago Plant 2 | Northlake | IL | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| BTBluewater Thermal Solutions - Coldwater | Coldwater | MI | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| BTBluewater Thermal Solutions - Houston Heat Treat | Houston | TX | Fabricated Metal Product Manufacturing332811 | 1-19 | ◐ LIKELY ACTIVE |
| BTBluewater Thermal Solutions - Saint Mary's | Saint Mary's | PA | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| BTBluewater Thermal Solutions - South Bend | South Bend | IN | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| BFBodyCote Fort Wayne | Fort Wayne | IN | Fabricated Metal Product Manufacturing332811 | 1-19 | ◐ LIKELY ACTIVE |
| BGBodyCote Grand Rapids | Grand Rapids | MI | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| BGBodycote - Greenville | Dallas | TX | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| BHBodyCote Haggarty | Canton | MI | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| BHBodycote Haltom City | Haltom City | TX | Fabricated Metal Product Manufacturing332811 | 1-19 | ◐ LIKELY ACTIVE |
| BHBodyCote Holland | Holland | MI | Fabricated Metal Product Manufacturing332811 | 1-19 | ◐ LIKELY ACTIVE |
| BLBodyCote Livonia | Livonia | MI | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| BRBodycote Rancho Dominguez | Rancho Dominguez | CA | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| BRBodyCote Romulus | Romulus | MI | Fabricated Metal Product Manufacturing332811 | 1-19 | ◐ LIKELY ACTIVE |
| BTBodycote Thermal Processing, INC. | Covington | GA | Fabricated Metal Product Manufacturing332811 | — | ◐ LIKELY ACTIVE |
| BTBodycote Thermal Processing, Inc. - Sturtevant | Sturtevant | WI | Fabricated Metal Product Manufacturing332811 | 1-19 | ◐ LIKELY ACTIVE |
| BTBodycote Tulsa | Tulsa | OK | Fabricated Metal Product Manufacturing332811 | 1-19 | ◐ LIKELY ACTIVE |
| BMBraddock Metallurgical-tampa, INC. | Riverview | FL | Fabricated Metal Product Manufacturing332811 | — | ◐ LIKELY ACTIVE |
| BWBulaw Welding | Itasca | IL | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| CPCentric Pipe - Ore City | Ore City | TX | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| CSCertified Steel Treating CORP | Vernon | CA | Fabricated Metal Product Manufacturing332811 | — | ◐ LIKELY ACTIVE |
| CICMC Impact Metals Chicora | Chicora | PA | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| CGConstellium-Bowling Green, LLC | Bowling Green | KY | Fabricated Metal Product Manufacturing332811 | 100-499 | ◐ LIKELY ACTIVE |
| CMCooper Mat LLC | Detroit | MI | Fabricated Metal Product Manufacturing332811 | — | ◐ LIKELY ACTIVE |
| EPEmber Parts, LLC | Oregon | IL | Fabricated Metal Product Manufacturing332811 | — | ◐ LIKELY ACTIVE |
| FHFPM Heat Treating - Cherry Valley | Cherry Valley | IL | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| FHFPM Heat Treating - Elk Grove Village | Elk Grove Village | IL | Fabricated Metal Product Manufacturing332811 | 100-499 | ◐ LIKELY ACTIVE |
| FBFranklin Brazing | Lebanon | OH | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| FHFranklin Hudapack Metal Treating, Inc. | Franklin | WI | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| FHFremont Heat Treat Division | Fremont | IN | Fabricated Metal Product Manufacturing332722 | 20-99 | ◐ LIKELY ACTIVE |
| FRFurnace Rebuilders, Inc. | Denver | NC | Fabricated Metal Product Manufacturing332811 | 1-19 | ◐ LIKELY ACTIVE |
| GMGerdau Midlothian Steel Processing | Midlothian | TX | Fabricated Metal Product Manufacturing332811 | 1-19 | ◐ LIKELY ACTIVE |
| GHGlendale Heights | Glendale Heights | IL | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| HUHaussermann USA | Northbrook | IL | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| HTHeat Treating INC | Belleview | FL | Fabricated Metal Product Manufacturing332811 | — | ◐ LIKELY ACTIVE |
| HSHorsburgh & Scott- Heat Treat | Cleveland | OH | Fabricated Metal Product Manufacturing332811 | 1-19 | ◐ LIKELY ACTIVE |
| IAImg Altair, LLC | Fremont | CA | Fabricated Metal Product Manufacturing332811 | — | ◐ LIKELY ACTIVE |
| IHInduction Heat Treating Seymour Corp | Seymour | IN | Fabricated Metal Product Manufacturing332811 | 1-19 | ◐ LIKELY ACTIVE |