| HIHayden Industrial Products | San Bernardino | CA | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| ALAlfa Laval Inc-standard Refrigeration | Wood Dale | IL | 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 |
| 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 |
| 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 |
| 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 |
| APAir Products & Chemicals INC | Wilkes Barre | PA | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| GLGaragistic LLC | Westminster | CA | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| KKKim Kool, INC. | Sulphur | LA | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| RHRce Heat Exchangers LLC | Carrollton | OH | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| 1P135813 - Powerhouse Equipment | Gastonia | NC | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| 1P136251 - Poppe INC. | Hickory | NC | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| 2O2930 Old Tree Drive | East Hempfield, Township of | PA | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| 3C317706377 - Columbia Industries LLC | Hillsboro | OR | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| 3W317707491 - Wellons INC | Sherwood | OR | Fabricated Metal Product Manufacturing332000 | — | ◇ UNVERIFIED |
| 9M94383 - Mechanical Systems INC | Dundas | MN | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| 9A94679 - Advanced Coil Technology LLC | Owatonna | MN | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
