| 1 | Jen-Ter Wire & Element Inc. | | USA |
| 2 | EV Enterprises | | USA |
| 3 | Wright P.M. Ltd. | | USA |
| 4 | Heatercraft | | USA |
| 5 | Speed Parts International | | USA |
| 6 | Bergstrom Inc. | | USA |
| 7 | Family Safety Products Inc. | | USA |
| 8 | Thermo King Intermountain | | USA |
| 9 | Northeast Flex Heaters Inc. | | USA |
| 10 | CMC of Georgia Inc. | | USA |
| 11 | Full Vision Inc. | | USA |
| 12 | Lintern A. R. Inc. | | USA |
| 13 | Northern Factory Sales | | USA |
| 14 | Thermal Circuits Inc. | | USA |
| 15 | Gibbons Fiberglass & Aluminum Boat Repair | | USA |
| 16 | Proair LLC | | USA |
| 17 | Thermosoft International Corporation | | USA |
| 18 | ACC Climate Control | | USA |
| 19 | Perrin Manufacturing Inc.. | | USA |
| 20 | Cameron | | USA |
| 21 | Kysor/Westran | | USA |
| 22 | Philip Doyle Mfg. Inc. | | USA |
| 23 | Derksen Air Inc. | | USA |
| 24 | SGM Co. Inc. | | USA |
| 25 | Transpro | | USA |
| 26 | ACROSS USA Inc. | | USA |
| 27 | eldec LLC | | USA |
| 28 | Meggitt Control Systems | | USA |
| 29 | Casso-Solar Technologies | | USA |
| 30 | DBK USA Inc. | | USA |
| 31 | HEAT Authority | | USA |
| 32 | Parameter Generation & Control | | USA |
| 33 | Turk+Hillinger USA Inc. | | USA |
| 34 | Rama Corp. | | USA |
| 35 | Indeeco | | USA |
| 36 | Dalton Electric Heating Co. Inc. | | USA |
| 37 | Thermo Heating Elements LLC | | USA |
| 38 | The Eraser Company Inc. | | USA |
| 39 | PICS INC | | USA |
| 40 | A Brite Company Inc. | | USA |
| 41 | Vintage Air Inc. | | USA |
| 42 | Tutco Heating Solutions Group | | USA |
| 43 | Frost Fighter | | USA |
| 44 | Spectra Premium Industries | | USA |
| 45 | Convectronics | | USA |
| 46 | Benchmark Thermal Corp. | | USA |
| 47 | HDT Global | | USA |
| 48 | Process Technology | | USA |
| 49 | Solaronics Inc. | | USA |
| 50 | Zoppas Industries | | USA |
| 51 | Pelonis Technologies Inc. | | USA |
| 52 | Sigma Thermal | | USA |
| 53 | WATTCO | | USA |
| 54 | Wisconsin Oven Corp. | | USA |
| 55 | Heat Exchange & Transfer Inc. | | USA |
| 56 | Xiamen Innovacera Advanced Materials Co. Ltd | | USA |
| 57 | Tempco Electric Heater Corp. | | USA |
| 58 | The Timken Company | | USA |
| 59 | Ambrell Induction Heating Solutions | | USA |
| 60 | ComEnCo Systems Inc. | | USA |
| 61 | Michaels Enterprises Inc. (MEI) | | USA |
| 62 | Hotset America Corporation | | USA |
| 63 | Carlisle Fluid Technologies | | USA |
| 64 | Standard Motor Products Inc. (SMP) | | USA |
| 65 | Valad Electric Heating Corp. | | USA |
| 66 | Phillips & Temro Industries | | USA |
| 67 | Heatrex Inc. | | USA |
| 68 | Nexthermal Corp. | | USA |
| 69 | Fostoria Process Equipment – Div. of TPI Corp. | | USA |
| 70 | Hydra Industries Group | | USA |
| 71 | Eaton Crouse-Hinds Division | | USA |
| 72 | Nordson Industrial Coating Systems | | USA |
| 73 | Fostoria Industries Inc. Process Heat Div. | | USA |
| 74 | Berrien Buggy by Acme | | USA |
| 75 | Anderson Thermal Devices Inc | | USA |