| HTHeat Timer CORP | Fairfield | NJ | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
| HMHussong Manufacturing CO INC | Lakefield | MN | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
| IHInnovative Hearth Products | Russellville | AL | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
| JCJohnson Controls INC | Largo | FL | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
| KKK. Kalustyan Oetc | Union | NJ | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
| MTManchester Tank and Equipment | Petersburg | VA | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| MIMartin Industries INC | Washington Park | IL | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
| MIMestek Incorporated | Farmville | NC | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
| MIMestek INC South Bldg | Westfield | MA | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
| MMMonarch Mfg Works INC | Philadelphia | PA | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
| MHMonessen Hearth Systems | Athens | AL | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
| NBNew Buck CORP | Spruce Pine | NC | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
| NINordyne Inc-grand Plant | St. Louis | MO | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
| OMOliver Manufacturing Company, INC. | Rocky Ford | CO | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
| OHOneida Heater Company INC | Oneida | NY | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
| OMOrchid Memphis Orthopedic Solutions | Memphis | TN | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
| OHOutokumpu Heatcraft USA | Murfreesboro | TN | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
| PRPaso Robles Tank INC | Hemet | CA | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
| RIRaypak, INC | Oxnard | CA | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
| ROR. O. Apelt Sons INC. (1318002449) | Cleveland | OH | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
| RHRobert H Peterson CO | La Puente | CA | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
| RNRuntal North America | Haverhill | MA | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
| RCRuskin CO | Mira Loma | CA | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
| SUSilent-aire USA INC. | Gilbert | AZ | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
| SRS & R INC. | Springfield | TN | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
| SCSt Croix Genuine Stoves | Waco | NE | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
| SMSuburban Manufacturing Company, a Division of Airxcel, INC. | Dayton | TN | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
| TCThe Center | Colville | WA | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
| TPTherm Products | San Bernardino | CA | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
| TBThomas & Betts Corp/reznor-mercer Plt | Mercer | PA | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
| TIToastmaster Incorporated | Macon | MO | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
| TITravis Industries | Mukilteo | WA | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
| TTTriangle Tube/phase Iii CO INC | Blackwood | NJ | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
| USU S Radiator Corporation | Los Angeles | CA | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
| UVUS Va Hudson Valley Health Care System - Castle Point Campus | Wappingers Falls | NY | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
| VFVelcon Filters INC | Colorado Springs | CO | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
| VHVolcanic Heater, INC. | Alliance | OH | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
| WRWatts Radiant | Springfield | MO | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
| WNWcr Northeast Region/bensalem | Bensalem | PA | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
| WCWebster Combustion Technology LLC | Winfield | KS | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
| WFWilkening Fireplace CO | Walker | MN | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
| YIYork International Pace Division Site | Portland | OR | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
| 1T12071 Tejon St Ste 300 | Avon | CO | Machinery Manufacturing333414 | 20-99 | ◐ LIKELY ACTIVE |
| ARA1 Refrigeration Sales & Service Inc | Kalamazoo | MI | Machinery Manufacturing333414 | 20-99 | ◐ LIKELY ACTIVE |
| APACE Partnership LLC dba Crown Engineering Corp | Farmingdale | NJ | Machinery Manufacturing333414 | 20-99 | ◐ LIKELY ACTIVE |
| ADAirtherm - Division of Mestek INC. | Forrest City | AR | Machinery Manufacturing333414 | 20-99 | ◐ LIKELY ACTIVE |
| AEAmerisun Energy INC | Mcclellan | CA | Machinery Manufacturing333414 | 20-99 | ◐ LIKELY ACTIVE |
| ACAnalytical & Combustion Systems, INC | Bethel | CT | Machinery Manufacturing333414 | — | ◐ LIKELY ACTIVE |
| BTBeckett Thermal Solutions North Ridgeville | North Ridgeville | OH | Machinery Manufacturing333414 | 100-499 | ◐ LIKELY ACTIVE |
| BHBedford Heights Distribution Center | Bedford Heights | OH | Machinery Manufacturing333414 | 20-99 | ◐ LIKELY ACTIVE |
