5 Biggest Telecom Companies in the US

2. Comcast Corporation (NASDAQ:CMCSA)

Market Capitalization as of March 12, 2024: $171.92  Billion

Comcast Corporation (NASDAQ:CMCSA) is one of the largest multinational telecommunications companies in the United States. Comcast Cable Communications, LLC, referred to as Xfinity, operates in the telecom business segment. Comcast Corporation (NASDAQ:CMCSA) was founded in 1963 and is headquartered in Philadelphia, Pennsylvania.

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