| EHEuclid Heat Treat CO. | Euclid | OH | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| LSLone Star Heat Treating CO LTD | Houston | TX | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| MOMorgan Ohare INC | Addison | IL | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| SSSun Steel Treating INC | South Lyon | MI | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| SSSuper Steel Treating, INC. | Warren | MI | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| AWAp Westshore | Oshkosh | WI | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| AHAtmosphere Heat Treating INC. | Wixom | MI | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| BABodycote Arlington | Arlington | TX | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| CICmc Impact Metals | Pell City | AL | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| HMHudapack Metal Treating INC | Elkhorn | WI | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| PTParker Trutec Mmi INC. | Sevierville | TN | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| SHState Heat Treating INC | Grand Rapids | MI | Textile Mills313312 | 20-99 | ◐ LIKELY ACTIVE |
| THTri-city Heat Treat CO | Rock Island | IL | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| VPVoestalpine Precision Strip LLC | Pleasant Prairie | WI | Primary Metal Manufacturing331221 | 20-99 | ◐ LIKELY ACTIVE |
| PSPearl Street - Therm-tech of Waukesha, INC. | Waukesha | WI | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| 9M94016 - Metal Treaters INC | Saint Paul | MN | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| ATAjax Tocco Magnethermic - Madison Heights | Madison Heights | MI | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| ACAllegheny Coatings - Fremont | Fremont | IN | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| BIBct INC Dba Service Heat Treating INC | Milwaukee | WI | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| BHBenton Harbor LLC | Benton Harbor | MI | Plastics and Rubber Products Manufacturing326122 | 20-99 | ◐ LIKELY ACTIVE |
| BBBlue Blade Steel | Kenilworth | NJ | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| BTBluewater Thermal Solutions - Chicago 3 | Melrose Park | IL | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| BTBluewater Thermal Solutions - Ridgway | Ridgway | PA | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| DMDependable Metal Treating | Kendallville | IN | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
Hydro Honing Laboratories | East Hartford | CT | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| LSLone Star Heat Treating | Houston | TX | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| MIMetal Improvement Company, LLC. - Phoenix | Phoenix | AZ | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| PPProduction Paint Stripping - Huntsville | Huntsville | AL | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| RHRockford Heat Treaters INC | Rockford | IL | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
Specialty Steel Treating INC | Fraser | MI | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| TTTsi Titanium INC. | Derry | PA | Primary Metal Manufacturing331491 | 20-99 | ◐ LIKELY ACTIVE |
| 3T305 Travis Lane - Therm-tech of Waukesha, INC. | Waukesha | WI | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ 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 |
| 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 - 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 |
| 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 |
| 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 |
| 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 |
| CICMC Impact Metals Chicora | Chicora | PA | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| FHFPM Heat Treating - Cherry Valley | Cherry Valley | IL | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ 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 |