10 Largest Holding Companies In The World

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7. AT&T Inc. (NYSE:T)

Like its main rival, the telecom giant actually serves as a conduit for various AT&T-branded phone services in the U.S and Mexico, as well as DIRECTV. AT&T has a $255.31 billion market cap.

10 Largest Holding Companies In The World

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Follow At&T Inc. (NYSE:T)

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