 Church & Tower became the basis for a telecommunications empire that made Mas Canosa one of the richest Hispanic businessmen in the United States; his net worth was estimated at more than $100 million when he died in 1997.Following the incorporation of Mas Canosa's sons into the business became MasTec, Inc. in 1994 when Jorge Mas led a reverse acquisition by its former competitor, Burnup & Sims.As of 2015, MasTec, Inc. (NYSE