A1 Sun, Inc. Employee Directory

Renewable Energy Semiconductor ManufacturingCalifornia, United States11-50 Employees

A1 Sun, Inc. is a Berkeley, California-based company focused on installing photovoltaic and thermal solar energy systems in the renewable energy sector. It aims to provide high-quality, affordable solar installations that benefit local residents and the wider environment. The company serves the Berkeley area and nearby East Bay communities such as Oakland, Emeryville, Albany, El Cerrito, Richmond, and Orinda, extending its reach beyond these towns. The firm was incorporated in 2007 by Larry Giustino and Paul Cooper, both with decades of experience in the solar field. Their prior work in the local solar community includes leadership roles with Solar Station, Inc. and the nonprofit Alternative Energy Collective in the late 1970s and 1980s.

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