David A. Field

Clark Security Products, Inc. distributed security products. It offered door hardware, key systems, and electronic access control. It also offered security expertise, rewards program, education, ecommerce, financial solutions, and credit application. The company was founded in 1950 and was headquartered in San Diego, CA.

Applied Solar, Inc. develops solar energy solutions, solar products and energy management applications. Its products includes roofing membranes, roofing tiles, custom architectural PV glass and balance of systems equipment such as inverters, combiners and accessories. The company was founded on April 11, 2002 and is headquartered in Solana Beach, CA.

Entech Solar, Inc. Develops solar energy technologies and sustainable daylighting solutions. The company was founded on October 6, 2008 and is headquartered in Grapevine, TX.

OneRoof Energy, Inc. develops solar energy generation systems. The firm utilizes PV systems to provide predictable, affordable, and environmentally-conscious power from rooftops. The company was founded by David A. Field in 2009 and is headquartered in San Diego, CA.

OneRoof Energy Group, Inc. is s solar services provider, which offers homeowners complete solar solutions, including financing, system design and installation project management, to ongoing system monitoring and maintenance. The company was founded on September 2, 2010 and is headquartered in San Diego, CA.