| 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 |
| IHInduction Heat Treating Waukesha Corp. | Waukesha | WI | Fabricated Metal Product Manufacturing332811 | 1-19 | ◐ LIKELY ACTIVE |
| IHIndustrial Heat Treat LLC | Salt Lake City | UT | Fabricated Metal Product Manufacturing332811 | — | ◐ LIKELY ACTIVE |
| INInland NW Metallurgical | Spokane Valley | WA | Fabricated Metal Product Manufacturing332811 | 1-19 | ◐ LIKELY ACTIVE |
| JHJ.W. Harris Co., Inc. - Carthage | Carthage | TN | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| MIMetal Improvement Company- Lynwood | Lynwood | CA | Fabricated Metal Product Manufacturing332811 | 1-19 | ◐ LIKELY ACTIVE |
| MHMillbury Heat Treat Plant | Millbury | MA | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| MMpc | Warren | MI | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| NPNational Peening, INC. | Statesville | NC | Fabricated Metal Product Manufacturing332811 | — | ◐ LIKELY ACTIVE |
| NMNitrex MI Operations | Mason | MI | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| NDNorman D Hubele | Chandler | AZ | Fabricated Metal Product Manufacturing332811 | — | ◐ LIKELY ACTIVE |
| OSO'Brien Steel Service- CHT | Peoria | IL | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| PHPaulo - Headquarters | Saint Louis | MO | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| PHPaulo - Headquarters | St. Louis | MO | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| PFPenna Flame Industries | Zelienople | PA | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
Peters' Heat Treating, Inc. McKean | Mckean | PA | Fabricated Metal Product Manufacturing332811 | 1-19 | ◐ LIKELY ACTIVE |
| PHP&L Heat Treating | P&L Heat Treating | OH | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| PHP&L Heat Treating and Grinding, Inc | Youngstown | OH | Fabricated Metal Product Manufacturing332811 | 1-19 | ◐ LIKELY ACTIVE |
| PHPrecision Heat Treating Corporation | Fort Wayne | IN | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| PTPressure Technology INC | Warminster | PA | Fabricated Metal Product Manufacturing332811 | — | ◐ LIKELY ACTIVE |
| RARenk American Marine & Industrial LLC1 | Milford | OH | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| RTRyerson - Therm-Tech of Waukesha, Inc. | New Berlin | WI | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| SMScientific Metal Treating CO. | Roselle | IL | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| SLSmg LLC | Seattle | WA | Fabricated Metal Product Manufacturing332811 | — | ◐ LIKELY ACTIVE |
| SASolar Atmospheres of Western PA | Hermitage | PA | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
Specialty Steel Treating - CT | East Granby | CT | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
Specialty Steel Treating - Farmington Hills | Farmington Hills | MI | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |