Telecommunications companies

AT&T

AT&T is a provider of telecommunications, media, entertainment, and technology services for consumers, content creators, distributors, and advertisers.

Tesco

Tesco is a grocery and general merchandise retailer providing retail banking and insurance services.

Verizon

Verizon Communications (formerly Bell Atlantic) is a company providing communications, information, and entertainment products and services.

T-Mobile USA

T-Mobile USA provides wireless solutions.

Charter Communications

Charter Communications is a television, internet and voice company.

Windstream

Windstream provides voice and data network communications, and managed services to businesses in the United States.

Motorola Solutions

Motorola Solutions is a data communications and telecommunications equipment provider.

Polycom

Polycom is a multinational corporation that develops video, voice and content collaboration and communication technology.

F5 Networks

F5 Networks develops, markets, and sells application delivery networking products.

Harmonic

Harmonic Inc. is a technology company that develops and markets video routing, server, and storage products for companies that produce, process, and distribute video content for television and the Internet.

Vocera

Vocera Communications provides mobile communication solutions for hospital staff and mobile workers across diverse enterprise organizations.

Sparklight

Sparklight, also known as Cable One owns and operates cable systems that provide data, video, and voice services to residential and commercial customers.