Bell Canada is a Canadian telecommunications and media company headquartered in Montreal Quebec. Including its subsidiaries Bell Aliant Northwestel Tlbec and NorthernTel it is the incumbent local exchange carrier for telephone and DSL Internet services in most of Canada east of Manitoba and in the northern territories and a major competitive local exchange carrier for enterprise customers in the western provinces. Its subsidiary Bell Mobility including Solo Mobile and Virgin Mobile Canada is one of Canada's "big three" mobile telecommunications providers while Bell TV provides direct-to-home satellite TV service. Bell Canada's principal competition is Rogers Communications in a majority of its service territory. The company which serves a total of over 13 million phone lines is headquartered at the Campus Bell complex in Montreal.