Tel-Dat Communications

Service Electric Cable TV, Inc. is a successor corporation to a community antenna television business started by John Walson in June 1948. Prior to beginning the nation's first community antenna television system, later known as cable television, in Mahanoy City, Pennsylvania, Mr. Walson was employed by the Pennsylvania Power & Light Company.

Established in 2003, CM3 Building Solutions provides various goods and services to commercial, industrial, institutional, governmental and other facilities. It is a privately-owned corporation that offers various energy and building automation services throughout the eastern United States. The company provides maintenance services for air compressors, security and video management systems, and automatic temperature and pneumatic controls. CM3 Building Solutions offers project management, engineering and design services. The company provides lighting systems and installs solar energy applications. It provides energy analysis services, including assistance with utility deregulation, purchasing, monitoring and metering and thermal readings of electrical panels. CM3 Building Solutions is affiliated with the Independent Representative Council and the Mechanical Contractors Association of America.