| Blumfeldt Engineering Co (Pittsburgh, PA)
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| Cci thermal (Greensburg, IN)
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| Ceramic Fiber Technologies (Mount Braddock, PA)
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| Ceramic Services Inc (Bensalem, PA)
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| Cosmo's Brick Oven of Kingston (Kingston, NY)
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| Cutler Equipment Inc (Belleville, IL)
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| D B Assoc (Pacifica, CA)
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| D K Ovens (Rialto, CA)
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| Deltak (Minneapolis, MN)
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| Dittmer Thomas Grandview Farms (Eldridge, IA)
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| Earth Engineered Systems (Seymour, CT)
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| Emsco Inc (Massillon, OH)
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| Fish Oven & Equipment Co (Wauconda, IL)
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| Furn Tech Inc (Waterville, OH)
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| Furnace Finders Inc (Conyers, GA)
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| 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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