| Furnace Parts-Rolock (Victorville, CA)
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| Furnace Systems Inc (Plano, TX)
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| General Automatic Transfer (Fenton, MO)
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| H B Pomeroy & Co (Wexford, PA)
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| Hardy Manufacturing Co (Philadelphia, MS)
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| Heat Sytems & Instruments Svc (Willowbrook, IL)
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| Hornsby & Thorndike Assoc (Chestnut Hill, MA)
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| Inductotherm Corp (Rancocas, NJ)
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| Industry Compressor & Equip Co (La Puente, CA)
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| Infracure International Inc (Burlington, WI)
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| Infra-Red Technologies Inc (Kansas City, MO)
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| Intek Corp (Union, MO)
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| J F Swinehart Co (Fostoria, OH)
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| J H Enterprises (Selma, OR)
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| Lawrence Marsh & Assoc Inc (Grand Rapids, MI)
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| Little Giant Mfg Co Inc (Orange, TX)
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| Mc Farlane & Son (San Mateo, CA)
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| Midwest Mechanical Grp (Buffalo Grove, IL)
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| Miwe America Llc (Hillsborough, NJ)
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| Modern Refrigeration Inc (Midland, MI)
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| Nao Inc (Philadelphia, PA)
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| Nordyne Inc (Saint Louis, MO)
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| Olson Industries Inc (Burgettstown, PA)
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| Pacific Kiln Insulation Co (Moreno Valley, CA)
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| Pathways thermal Technology (Hayden, ID)
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