| AMApplied Materials, INC | Santa Clara | CA | Fabricated Metal Product Manufacturing332410 | — | ◐ LIKELY ACTIVE |
| BIBrask, INC. | Sulphur | LA | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| BSBryan Steam CORP | Peru | IN | Fabricated Metal Product Manufacturing332410 | 20-99 | ◐ LIKELY ACTIVE |
| CICarbon INC | Redwood City | CA | Fabricated Metal Product Manufacturing332410 | — | ◐ LIKELY ACTIVE |
| CICembell Industries, Inc. (Montz) | Montz | LA | Fabricated Metal Product Manufacturing332313 | 100-499 | ◐ LIKELY ACTIVE |
| CLChart Lifecycle | Franklin | IN | Fabricated Metal Product Manufacturing332410 | — | ◐ LIKELY ACTIVE |
| CLCryoquip LLC | Murrieta | CA | Fabricated Metal Product Manufacturing332410 | 100-499 | ◐ LIKELY ACTIVE |
| DHDunn Heat Exchangers- Texas City | Texas City | TX | Fabricated Metal Product Manufacturing332410 | 20-99 | ◐ LIKELY ACTIVE |
| FSFabsco Shell & Tube LLC | Sapulpa | OK | Fabricated Metal Product Manufacturing332410 | 20-99 | ◐ LIKELY ACTIVE |
| FBFulton Boiler Works | Pulaski | NY | Fabricated Metal Product Manufacturing332410 | 20-99 | ◐ LIKELY ACTIVE |
| HHeatco | Cartersville | GA | Fabricated Metal Product Manufacturing332410 | 100-499 | ◐ LIKELY ACTIVE |
| HEHeat Exchanger Design Incorporated | Indianapolis | IN | Fabricated Metal Product Manufacturing332410 | 20-99 | ◐ LIKELY ACTIVE |
| HTHeat Transfer Systems, Inc. | Saint Louis | MO | Fabricated Metal Product Manufacturing332313 | 1-19 | ◐ LIKELY ACTIVE |
| IMIndustrial Metalworks, INC. | Savannah | GA | Fabricated Metal Product Manufacturing332410 | 1-19 | ◐ LIKELY ACTIVE |
| KKelvion | Catoosa | OK | Fabricated Metal Product Manufacturing332410 | 500+ | ◐ LIKELY ACTIVE |
| KAKirks Auto Body/perkasie | Perkasie | PA | Fabricated Metal Product Manufacturing332410 | — | ◐ LIKELY ACTIVE |
| LALos Angeles Boiler Works Inc. | Blackwell | OK | Primary Metal Manufacturing331221 | 20-99 | ◐ LIKELY ACTIVE |
| MPMain Plant | Fort Worth | TX | Fabricated Metal Product Manufacturing332410 | 20-99 | ◐ LIKELY ACTIVE |
| MLMillennitek, LLC | Knoxville | TN | Nonmetallic Mineral Product Manufacturing327110 | — | ◐ LIKELY ACTIVE |
| PTPorter Tire Center INC | Olive Hill | KY | Fabricated Metal Product Manufacturing332410 | — | ◐ LIKELY ACTIVE |
| PIPRE-heat, Inc. | Oostburg | WI | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| RPRas Process Equipment | Robbinsville | NJ | Fabricated Metal Product Manufacturing332410 | 20-99 | ◐ LIKELY ACTIVE |
| REReimers Electra Steam INC | Clear Brook | VA | Fabricated Metal Product Manufacturing332313 | 20-99 | ◐ LIKELY ACTIVE |
| SSSeitz Stainless | Avon | MN | Fabricated Metal Product Manufacturing332410 | 20-99 | ◐ LIKELY ACTIVE |
Super Radiator Coils - Mesa I | Mesa | AZ | Fabricated Metal Product Manufacturing332410 | 100-499 | ◐ LIKELY ACTIVE |
| SMSweed Machinery INC (2) | Gold Hill | OR | Fabricated Metal Product Manufacturing332410 | 20-99 | ◐ LIKELY ACTIVE |
| TITek-fins, INC. | Tulsa | OK | Fabricated Metal Product Manufacturing332410 | 100-499 | ◐ LIKELY ACTIVE |
| TCThe Cleaver-brooks Company, INC. | Thomasville | GA | Fabricated Metal Product Manufacturing332410 | — | ◐ LIKELY ACTIVE |
| TGThe G.C. Broach Co. Office | Tulsa | OK | Fabricated Metal Product Manufacturing332410 | 1-19 | ◐ LIKELY ACTIVE |
| TSThermal Solutions Products, LLC | Lancaster | PA | Fabricated Metal Product Manufacturing332410 | 20-99 | ◐ LIKELY ACTIVE |
| VEVictory Energy Operations | Collinsville | OK | Fabricated Metal Product Manufacturing332410 | 100-499 | ◐ LIKELY ACTIVE |
| WIWcr Incorporated | Seward | NE | Fabricated Metal Product Manufacturing332410 | — | ◐ LIKELY ACTIVE |
| BBusse-sji | Randolph | WI | Fabricated Metal Product Manufacturing332410 | — | ◐ LIKELY ACTIVE |
| CMCalmac Manufacturing CORP | Fair Lawn | NJ | Fabricated Metal Product Manufacturing332410 | — | ◐ LIKELY ACTIVE |
| CChart | Tulsa | OK | Fabricated Metal Product Manufacturing332410 | — | ◐ LIKELY ACTIVE |
| FTFulton Thermal CORP. | Pulaski | NY | Fabricated Metal Product Manufacturing332410 | — | ◐ LIKELY ACTIVE |
| KHKoch Heat Transfer CO LP | Houston | TX | Fabricated Metal Product Manufacturing332410 | — | ◐ LIKELY ACTIVE |
| ALAlfa Laval Inc-standard Refrigeration | Wood Dale | IL | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| ALAlfa Laval, INC. US Spiral Heat Exchanger (she) | Broken Arrow | OK | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| ALAlfa Laval Niagra Blower CO | Tonawanda | NY | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| APAlstom Power INC | Chattanooga | TN | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| AHApi Heat Transfer INC | Arcade | NY | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| BNBwxt Nuclear Operations Group INC | Lynchburg | VA | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| CIClayton Industries | Evendale | OH | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| CMCoffman Mfg CORP | Cary | IL | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| DSDatalogic Scanning | Eugene | OR | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| DADept. Army-ft. Leavenworth | Fort Leavenworth | KS | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| DHDunn Heat Exchangers | Bay City | TX | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| ESEast Side Plating Plant 5 | Portland | OR | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| HCHarsco Corp/east Stroudsburg Plt | East Stroudsburg | PA | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |