| DRDouble Robotics, INC | Burlingame | CA | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| DRDoyle & Roth Manufacturing Company, INC. | Simpson | PA | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| E2Eco 2007 | Broken Arrow | OK | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| EBEnglish Boiler & Tube INC | Richmond | VA | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| EBEnterprise Baler | Santa Ana | CA | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| EWEvapco West, INC. | Madera | CA | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| ETExtreme Turbo Systems INC | Vancouver | WA | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| FSFabsco Shell & Tube, LLC | Sapulpa | OK | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| FWFrontier Welded Products, INC. | Abilene | TX | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| FIFTDM Investments, LLC | Locust Grove | OK | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| FHFulton Heating Solutions INC | East Syracuse | NY | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| FAFurnace and Tube Service, INC. | Gonzales | LA | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| GHGea Heat Exchangers, Incorporated, Phe Division | York | PA | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| GHGea Heat Exchangers, Inc., Plant Three | Catoosa | OK | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| GNGe-hitachi Nuclear Energy | San Jose | CA | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| GKGeo. Knight & CO. INC. | Brockton | MA | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| GEGlauber Equipment Corporation | Lancaster | NY | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| GTGooch Thermal Manufacturing, INC. | Fogelsville | PA | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| GFGratton Fabricating & Welding, INC. | Adamsburg | PA | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| HTHeat Transfer Equipment CO. | Tulsa | OK | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| HCHydac Cooling Systems (denver, Nc) | Denver | NC | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| HIHydrodyne, INC. | Massillon | OH | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| IIIsotherm, INC. | Arlington | TX | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| KKelvion (cimarron) | Catoosa | OK | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| KKelvion (keystone) | Catoosa | OK | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| LRLam Research, Balazs | Fremont | CA | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| LRLkq Roseville (heatex Radiator Manufacturing Plant) | Roseville | MI | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| LLL & L Industries, INC. | White | GA | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| MWMary Wells Junior High School | Southbridge | MA | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| MKMc Kenna Boiler Wks INC | Los Angeles | CA | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| MSMechanical Systems INC | Benson | MN | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| MSMechanical Systems INC | Dundas | MN | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| MBMercedes Benz of Walnut Creek | Walnut Creek | CA | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| MCMicro Cooling Concepts, INC. | Huntington Beach | CA | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| MTModine Transferencia De Calor Sa De Cv | Laredo | TX | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| MPMonolithic Power Systems INC | San Jose | CA | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| MMMoorehead Machinery and Boiler Company | Wheatland | WY | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| MSMotiv Space Systems | Pasadena | CA | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| MIMunroe, INC. | Ringgold | GA | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| MIMunroe, INC. | Ambridge | PA | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| MCMunters Corporation | Natural Bridge Station | VA | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| MVMustang Vacuum Systems | Sarasota | FL | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| NBNational Boiler Service, INC. | Queen City | TX | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| NBNational Boiler Service, INC. | Panama City | FL | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| NBNational Boiler Services INC. | Covington | VA | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| PDParamount Duct and Vent Cleaning LCC | Red Lodge | MT | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| PBParker Boiler CO. | Commerce | CA | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| PBPlouffe's Boiler and Mechanical Service INC. | Middlebury | VT | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| PIPoppe INC. | Hickory | NC | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| PEPowerhouse Equipment | Gastonia | NC | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
