John G. Rangos

Powercast Corp. engages in the development of wireless receivers. Its products include powerharvester receivers, powercaster transmitters, development kits, custom engineering, and wireless power calculator. The company was founded by John G. Shearer and Joseph C. Walton in 2003 and is headquartered in Pittsburgh, PA.

Chambers Development Co., Inc. engages in the provision of integrated solid waste services. The firm operates, manages, and constructs solid waste sanitary landfills, transfer stations, and recycling facilities. It also offers collection, hauling, and recycling of solid waste for municipal, commercial, industrial, and residential customers. The company is headquartered in Whitehouse, TX.

Akustica, Inc. provides micro electro mechanical systems products. It designs, develops and markets proprietary silicon microphones, speakers, and complete acoustic system-on-chip solutions. Its products include digital microphones and analog microphones. The company was founded by Kaigham J. Gabriel and Jim Rock in 2001 and is headquartered in Pittsburgh, PA.