Mara Blitzer

Sun Light & Power Co. provides custom solar electric, hot water and radiant heating systems. It serves a broad range of commercial clients such as food service businesses, schools, hotels and government buildings. The company was founded by Gary T. Gerber in 1976 and is headquartered in Berkeley, CA.

Efficiency First, Inc. is a national trade association for the building performance industry. It supports home performance businesses through educational, networking, advocacy, discount and marketing resources, delivered through state chapters. The organization is headquartered in Arlington, VA.

Home Performance Resource Center is a national not-for-profit organization that provides best practices, research, and resources for residential energy efficiency programs, utility energy efficiency, and residential energy efficiency program design. The private company is based in Washington. The American company also offers industry research for the home performance sector, energy efficiency program management, and business resources for residential contractors, energy efficiency contractors, Home Performance contractors, and others in the home energy efficiency sector.