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SierraWestron Inc Inc is a premier manufacturers representative agency established from a joint venture between Westron Sales Inc (est. 1997) and Sierra Sales Inc (est. 1989). We are headquartered in Pleasanton, CA .

SierraWestron Inc represents the finest in Controls, Automation, and Electro-mechanical products with a pro-active technical sales focus. Our strong relationships with our channel partners and OEM customers are a key to our growth. In 2007, we further expanded adding our Alternative Energy Product category to service the rapid growth of the solar and energy storage OEM industries of northern California and Nevada.