| Patton & Assoc (Gaffney, SC)
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| Petro-Chem Development (New York, NY)
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| Procedyne Corp (New Brunswick, NJ)
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| Process Heat Inc (Indian Trail, NC)
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| Pro-Tech Comfort Systems (Saint Louis, MO)
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| Pva Mimtech Llc (Cedar Grove, NJ)
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| Pyro Industrial Systems Inc (Fontana, CA)
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| Radiant Panels Inc (South Saint Paul, MN)
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| Renkow Service Co (Culver City, CA)
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| Rolock Furnace Parts (Victorville, CA)
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| Roto-Flex Oven Co (San Antonio, TX)
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| Samuel Bales Inc (Pittsburgh, PA)
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| Shaner Industrial Svc Inc (Bechtelsville, PA)
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| Superior Electric Co (Oak Park, MI)
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| Surface Combustion Waterville (Waterville, OH)
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| Thompson Sales Inc (Bellevue, WA)
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| Transite Heating & Ac (Cedar Lake, IN)
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| United States thermoamp Inc (Latrobe, PA)
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| Vacuum Engineering Svc Co (East Windsor, CT)
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| Vulcan Catalytic Systems (Cheshire, CT)
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| Watlow Batavia Inc (Batavia, IL)
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| Watring Technologies Inc (Huntsville, AL)
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| Williams Refrigeration-Heating (Detroit, MI)
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