Leblanc Communications Group, 38 High Ridge Rd, Redding, CT 06896, US

Charles Hart Industrial was founded in1969 as a supplier and installer of Talk-a-Phone intercoms and Motorola car telephones, which was considered cutting edge technology at the time. The company has evolved over the years to stay on the cutting edge, operating a consulting business that installs the latest computer firewalls, routers, data and networks for a variety of businesses and private customers. It also installs telephone and voicemail systems from more than 40 vendors, including Avaya, Nortel, Panasonic and Toshiba. The company also offers security systems, access controls, home theater and home audio installation services. Based in Greenvale, N.Y., Charles Hart Industrial s service area spans a four- to six-hour radius around New York City.