Allegheny Bradford Corp/lewis Run | Lewis Run | PA | Fabricated Metal Product Manufacturing332313 | 20-99 | ◐ LIKELY ACTIVE |
| RERedman Equipment & Manufacturing Company | Torrance | CA | Fabricated Metal Product Manufacturing332410 | 20-99 | ◐ LIKELY ACTIVE |
| CBCannon Boiler Works | New Kensington | PA | Fabricated Metal Product Manufacturing332410 | 20-99 | ◐ LIKELY ACTIVE |
| CIChart INC | Mccarran | NV | Fabricated Metal Product Manufacturing332410 | 20-99 | ◐ LIKELY ACTIVE |
| CBChattanooga Boiler & Tank CO. | Chattanooga | TN | Fabricated Metal Product Manufacturing332313 | 20-99 | ◐ LIKELY ACTIVE |
| CPCooling Products INC | Broken Arrow | OK | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| EEEnergy Exchanger CO | Tulsa | OK | Fabricated Metal Product Manufacturing332410 | 20-99 | ◐ LIKELY ACTIVE |
| KCKoax CORP | Oklahoma City | OK | Fabricated Metal Product Manufacturing332410 | 20-99 | ◐ LIKELY ACTIVE |
| MUMersen USA Ace CORP | Salem | VA | Fabricated Metal Product Manufacturing332410 | 20-99 | ◐ LIKELY ACTIVE |
| NBNationwide Boiler INC | Fremont | CA | Fabricated Metal Product Manufacturing332410 | 20-99 | ◐ LIKELY ACTIVE |
| NNobelclad | Mount Braddock | PA | Fabricated Metal Product Manufacturing332313 | 20-99 | ◐ LIKELY ACTIVE |
| WIWagstaff INC | Hebron | KY | Fabricated Metal Product Manufacturing332410 | 20-99 | ◐ LIKELY ACTIVE |
| FCFabwell CORP | Tulsa | OK | Fabricated Metal Product Manufacturing332313 | 20-99 | ◐ LIKELY ACTIVE |
| 1H104797 - Heat Exchanger Design Incorporated | Indianapolis | IN | Fabricated Metal Product Manufacturing332410 | 20-99 | ◐ LIKELY ACTIVE |
Allegheny Bradford Corporation VH | Lewis Run | PA | Fabricated Metal Product Manufacturing332410 | 20-99 | ◐ 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 |
| 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 |
| 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 |
| 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 |
| SMSweed Machinery INC (2) | Gold Hill | OR | Fabricated Metal Product Manufacturing332410 | 20-99 | ◐ LIKELY ACTIVE |
| TSThermal Solutions Products, LLC | Lancaster | PA | Fabricated Metal Product Manufacturing332410 | 20-99 | ◐ LIKELY ACTIVE |
| 0K00060239-23954 Kci Engineering - Gainesville, Ga | Gainesville | GA | Fabricated Metal Product Manufacturing332410 | 20-99 | ◐ LIKELY ACTIVE |
| 0K00060239-23962 Kci Tech - Woodcliff, Nj | Woodcliff | NJ | Fabricated Metal Product Manufacturing332410 | 20-99 | ◐ LIKELY ACTIVE |
| 0K00060239-23964 Kci Tech - New York, Ny | New York | NY | Fabricated Metal Product Manufacturing332410 | 20-99 | ◐ LIKELY ACTIVE |
| 0K00060239-23965 Kci Tech - Columbia, Sc | Columbia | SC | Fabricated Metal Product Manufacturing332410 | 20-99 | ◐ LIKELY ACTIVE |
| ALAlfa Laval Inc. Ashbrook (loc code: ASHTEX) | Houston | TX | Fabricated Metal Product Manufacturing332410 | 20-99 | ◐ LIKELY ACTIVE |
| ALAlfa Laval Inc. Buffalo (loc code: NBNY08) | Buffalo | NY | Fabricated Metal Product Manufacturing332410 | 20-99 | ◐ LIKELY ACTIVE |
| ALAlfa Laval Inc. Newburyport (loc code: MANEWB) | Newburyport | MA | Fabricated Metal Product Manufacturing332410 | 20-99 | ◐ LIKELY ACTIVE |
| AEArmstrong Engineering Associates, Inc. | Coatesville | PA | Fabricated Metal Product Manufacturing332410 | 20-99 | ◐ LIKELY ACTIVE |
| BIBremco Inc. | Newport | NH | Fabricated Metal Product Manufacturing332410 | 20-99 | ◐ LIKELY ACTIVE |
| BLBurnham, LLC | Lancaster | PA | Fabricated Metal Product Manufacturing332410 | 20-99 | ◐ LIKELY ACTIVE |
| CICembell Industries, Inc. (Chalmette) | Chalmette | LA | Fabricated Metal Product Manufacturing332410 | 20-99 | ◐ LIKELY ACTIVE |
| CMClaw Manufacturing, LLC | Catoosa | OK | Fabricated Metal Product Manufacturing332410 | 20-99 | ◐ LIKELY ACTIVE |
Clayton Manufacturing Company Cincinnati | Cincinnati | OH | Fabricated Metal Product Manufacturing332410 | 20-99 | ◐ LIKELY ACTIVE |
| CLCryoquip/Houston LLC | Houston | TX | Fabricated Metal Product Manufacturing332410 | 20-99 | ◐ LIKELY ACTIVE |
| CBCust-O-Fab Beaumont | Beaumont | TX | Fabricated Metal Product Manufacturing332410 | 20-99 | ◐ LIKELY ACTIVE |
| DDanfoss | Louisville | KY | Fabricated Metal Product Manufacturing332410 | 20-99 | ◐ LIKELY ACTIVE |
| DIDeltak Inc | Plymouth | MN | Fabricated Metal Product Manufacturing332410 | 20-99 | ◐ LIKELY ACTIVE |
| DRDoyle & Roth Mfg. Co., Inc. | Simpson | PA | Fabricated Metal Product Manufacturing332410 | 20-99 | ◐ LIKELY ACTIVE |
| DIDVO, Inc. | Chilton | WI | Fabricated Metal Product Manufacturing332410 | 20-99 | ◐ LIKELY ACTIVE |
| ELETR Ltd | Longview | TX | Fabricated Metal Product Manufacturing332410 | 20-99 | ◐ LIKELY ACTIVE |
| ELETR LTD Kilgore | Kilgore | TX | Fabricated Metal Product Manufacturing332410 | 20-99 | ◐ LIKELY ACTIVE |
| FIFarmersville, IL | Farmersville | IL | Fabricated Metal Product Manufacturing332410 | 20-99 | ◐ LIKELY ACTIVE |