AT&T Signal Boosters
The twelfth largest company in the world, AT&T is a multinational telecommunication company. Now known as AT&T in all their marketing issues, the company is actually AT&T Mobility LLC, that used to be Cingular Wireless. The second largest wireless telecommunications carrier in the United States, is just a small bit behind Verizon Wireless. Their over 135 million subscribers are mostly located in the U.S., the U.S. Virgin Islands and Puerto Rico. The wholly owned subsidiary of AT&T, was originally founded in 1885, and has grown, merged, separated, merged again and more, through the 19th, 20th and now the 21st century.