ADT is the largest security company in the United States, serving millions and millions of customers. As of 2019, ADT held 25% market in the US. ADT maintains four monitoring stations in the United States. In late 2019 the Commercial and residential security company ADT Inc. shares jumped 5.9% in premarket.

Formally “ADT Corporation” Now known simply as ADT Inc is a dedicated long-existing home security company. ADT Inc., formerly The ADT Corporation, is an American company that provides residential, small and large business electronic security, fire protection, and other related alarm monitoring services in North America.

ADT History

In September 2011, Tyco announced that it would split into three companies, ADT being one of the three. On October 1, 2012, ADT debuted as an independent public company and began trading on the New York Stock Exchange (NYSE: ADT). In 2014, it acquired the Canadian company Reliance Protectron Security Services.

In February 2016, Apollo Global Management acquired ADT for nearly $7 billion and merged it with another home security firm, Protection 1. The purchase price represented a premium of approximately 56 percent over ADT’s closing share price on February 12, 2016 and, when combined with Protection 1, representing an aggregate transaction value of approximately $15 billion.

In January 2010, Tyco announced that it was acquiring Broadview Security (formerly called Brink’s Home Security) and was merging the company with its ADT division in a transaction valued at $2.0 billion