Best telecommunication companies in Wilmington, DE

CSC Holdings, LLC owns and operates cable systems in the United States. The company provides video services under the Optimum brand name; entertainment and advertising services; high-speed data services to residential and small business customers under the Optimum Online name; and Voice over Internet Protocol (VoIP) services to residential and small business customers under the Optimum Voice name. As of December 31, 2016, it served approximately 2.4 million video customers in the New York metropolitan area. It also offers fiber based telecommunications, including Ethernet, data transport, Internet protocol based virtual private networks, and Internet access, as well as voice services comprising session initiation protocol trunking and VoIP services. Further, the company provides managed information technology services to businesses, such as hosted voice services, managed WiFi, managed desktop, and server backup, as well as managed collaboration services comprising audio and Web conferencing; and offers regional news programming services, as well as engages in cable television advertising business. It serves health care, financial, education, legal and professional service companies, and other industries, as well as the public sector and telecommunication providers, such as wireless telecommunication companies, incumbent local exchange carriers, and competitive local exchange carriers. As of December 31, 2016, it had approximately 8,300 locations connected to its fiber network. The company was founded in 1985 and is headquartered in Bethpage, New York. CSC Holdings, LLC is a subsidiary of Altice USA.