| HHHastings Hvac INC | Hastings | NE | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| HMHayssen Manufacturing Company | Duncan | SC | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| HLHershey Laundry-dry Cleaners | Hershey | PA | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| IHIndiana Heat Transfer CORP. | Plymouth | IN | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| KBKewanee Boiler Mfg LLC | Kewanee | IL | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| LBLawrence Brothers INC. Plant 2 | Rock Falls | IL | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| MIMjc, INC. | Acworth | GA | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| MSMkm Sarasota LLC | Sarasota | FL | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| NRNst Realty LLC | Niles | MI | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| PCParts Cleaning Technologies | Bowling Green | KY | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| PMPlant Maintenance Service Corporation | Memphis | TN | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| PBPrecision Boilers, LLC | Morristown | TN | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| RSRadiator Services of Houma LLC | Houma | LA | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| RPRiley Power INC | Worcester | MA | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| SPSheco Plant 2 | Tuscaloosa | AL | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| SESmithco Engineering INC | Tulsa | OK | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| SHSouthern Heat Exchanger | Tuscaloosa | AL | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| SHSouthern Heat Exchanger CORP | Tuscaloosa | AL | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| SHSpx Heat Transfer INC / Steel Products Fabrication | Tulsa | OK | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| SAStewart and Stevenson Telge Road Facility | Houston | TX | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
Swanson Industries, INC | Madisonville | KY | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| SNSwep North America | Tulsa | OK | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| TLTerex Light Contruction | Rock Hill | SC | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| UCUnifin Chesapeake | Chesapeake | VA | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| UDUniversal Dynamics | Woodbridge | VA | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| VPVapor Power International | Franklin Park | IL | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| WHWatts Heating and Hot Water Solutions LLC | Fort Worth | TX | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| WCWebster Combustion Technology, LLC (stormwater) | Winfield | KS | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| 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 |
| AHAero-classics Heat Transfer Products, INC. | La Verne | CA | Fabricated Metal Product Manufacturing332410 | — | ◐ LIKELY ACTIVE |
| ALAlfa Laval Inc. ALtank (loc code: ALTANK) | Coatesville | PA | Fabricated Metal Product Manufacturing332410 | 1-19 | ◐ LIKELY ACTIVE |
| ALAlfa Laval Inc. Ashbrook (loc code: ASHTEX) | Houston | TX | Fabricated Metal Product Manufacturing332410 | 20-99 | ◐ LIKELY ACTIVE |
| ALAlfa Laval Inc. Broken Arrow | Broken Arrow | OK | Fabricated Metal Product Manufacturing332410 | 100-499 | ◐ LIKELY ACTIVE |
| ALAlfa Laval Inc. Buffalo (loc code: NBNY08) | Buffalo | NY | Fabricated Metal Product Manufacturing332410 | 20-99 | ◐ LIKELY ACTIVE |
| ALAlfa Laval Inc. Fresno CA (loc code: CAFRES) | Fresno | CA | Fabricated Metal Product Manufacturing332410 | 1-19 | ◐ 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 |
| BHBasilisk Holdings, INC. | Pleasanton | CA | Fabricated Metal Product Manufacturing332410 | — | ◐ LIKELY ACTIVE |
| BIBrask, Inc. - Neela | Pearland | TX | Fabricated Metal Product Manufacturing332410 | 100-499 | ◐ 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 |
| CMChanute Manufacturing Co | Chanute | KS | Fabricated Metal Product Manufacturing332410 | 100-499 | ◐ LIKELY ACTIVE |
| CIChart Industries - La Crosse, WI | La Crosse | WI | Fabricated Metal Product Manufacturing332410 | 100-499 | ◐ LIKELY ACTIVE |
| CMClaw Manufacturing, LLC | Catoosa | OK | Fabricated Metal Product Manufacturing332410 | 20-99 | ◐ LIKELY ACTIVE |
| CIClayton Industries | City of Industry | CA | Fabricated Metal Product Manufacturing332410 | 100-499 | ◐ LIKELY ACTIVE |
Clayton Manufacturing Company Cincinnati | Cincinnati | OH | Fabricated Metal Product Manufacturing332410 | 20-99 | ◐ LIKELY ACTIVE |