Since 1970, Volt Telecommunications Group Inc. has been offering a range of products and services to its client base. Based in Virginia Beach, Va., it is one of the leading companies in the United States. The company offers a range of construction, installation and maintenance-based products and services. Further, it renders various services, including outside plant engineering, security, pay phone services, call center operations and utility infrastructure services, among others. Additionally, it provides Nortel digital multiplex system support, central office as well as private branch exchange/voice over internet protocol systems. Volt Telecommunications Group Inc. is an ISO 9001:2008 and TL 9000-certified company.