Propellus 

Propellus Inc., operating primarily through its subsidiary Sunvalley Solar Tech, Inc., is a California-based company specializing in solar energy technology and system integration. The company provides comprehensive, end-to-end solar system solutions. These offerings cover the entire lifecycle, from design and installation to ongoing operation, monitoring, and maintenance, serving property owners, builders, and architectural firms. Propellus's expertise also extends to LED technologies. Its core activities include the design and installation of solar systems and LEDs, research and development in solar technology and LEDs, and the manufacturing and distribution of related equipment. The firm caters to a wide range of clients, from small private residences to large commercial solar power users. Founded in 2007, the company was initially known as Sunvalley Solar, Inc., before officially changing its name to Propellus Inc. in December 2020. It is headquartered in Walnut, California.