Cincinnati Bell - Cincinnati Bell is a regional telecommunications service provider that provides landline telephone, fiber-optic Internet, and IPTV services with a unique network system.
Telefonica - Telefonica is one of the largest telephone operators and mobile network providers, including fixed and mobile telephony, broadband, and subscription television services, based in Spain, headquartered in Madrid.
Vodafone Group plc - Vodafone Group plc is a British-based multinational telecommunication organization that provides fixed-line telephone, mobile phone, broadband, digital TV, Internet TV, IPTV, and Internet of things services with millions of beneficiaries.
Nippon Telegraph and Telephone - Nippon Telegraph and Telephone is a Japanese telecommunication service that provides fixed-line telephone, mobile phone, broadband, digital TV, Internet TV, and information technology services with millions of worldwide users.
Mitel - Business Communications and Collaboration