Allan J. Coleman Co. Central Oklahoma Winnelson CUES, Inc. Electric Eel Mfg. Envirosight LLC EPL Solutions Inc. Forbest Products Co. General Pipe Cleaners, div. of General Wire Spring Hurco Technologies, Inc. Patriot Sewer Equipment & Repair Pearpoint Inc. Pipe Tools, Inc. PrimeLine Products, Inc. Ratech Electronics, Ltd. SECON Spartan Tool LLC Subsite Electronics SubSurface Locators, Inc. Superior Signal Company LLC Trojan Worldwide, Inc. Vactor Manufacturing Vivax-Metrotech Corp.