OneSource company operates through about a dozen sales and distribution centers in Arizona, California, Hawaii, and Mexico. OneSource carries products made by Allen-Bradley, Ferraz Shawmut, GE Lighting, Leviton Manufacturing, Thomas & Betts, and Woodhead Industries, among others. President/CEO Bob Zamarripa and SVP Paul Judge founded the company in 1983. In 2006 Heritage Partners, a private equity firm, invested in OneSource, acquiring 49% of the distributor.