| Cherokee Measurement & Control (Tulsa, OK)
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| Chicago Fittings (Belvidere, IL)
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| Circor Energy Products (Oklahoma City, OK)
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| City Parts & Svc Inc (Kenedy, TX)
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| Clampette & Gaico (Duncanville, TX)
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| Clark Cooper Div (Riverton, NJ)
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| Cla-Val Co (Costa Mesa, CA)
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| Cla-Val Co (Perris, CA)
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| Clow Valve Co (Corona, CA)
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| Coastal Engineering Equipment (New Orleans, LA)
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| Coffer Corp (Houston, TX)
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| Columbia Pipe & Supply Co (Gary, IN)
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| Conant Controls Inc (Medford, MA)
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| Conbraco Industries Inc (Conway, SC)
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| Consolidated Pipe & Supply Co (Greensboro, NC)
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| Consumers Pipe & Supply Co (San Diego, CA)
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| Controlled Motion Solutions (Bakersfield, CA)
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| Cook Manley (Stafford, TX)
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| Corrosion Fluid Products Corp (Moline, IL)
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| Cosmodyne (Seal Beach, CA)
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| Couplamatic Systems Inc (Scottsbluff, NE)
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| Cpi (Mokena, IL)
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| Crane Valve Svs (Paulsboro, NJ)
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| Crissair Inc (Palmdale, CA)
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| Cronkhite Automatic Prods (Tulsa, OK)
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