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ADT (U.S.)

Last modified: 2019-02-18 by rick wyatt
Keywords: adt | united states |
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[ADT flag] image by Randy Young, 16 April 2017

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ADT Security Services is an American corporation that provides residential and small business electronic security, fire protection and other related alarm monitoring services in 35 countries. It was established on In 1874, 57 district telegraph delivery companies affiliated and became "American District Telegraph Company". It is the largest security company in the United States and Canada. It is headquartered in Boca Raton, Florida. In 1909, Western Union and ADT came under the control of American Telephone & Telegraph Company (AT&T) (official website: ). In 1987, British company Hawley Goodall bought ADT Security Services. As a result Hawley changed its name to ADT Limited. In July 1997 the company is purchased by Tyco International in a reverse takeover (by ADT Limited). In early 2010, Tyco International announced that it was acquiring Brink's Home Security Holdings, (operating as Broadview Security) and was merging the company with its ADT brand name. ADT became independent again on October 1, 2012. In 2014, it acquired the Canadian company Reliance Protection Security Services. In February 2016, the company was acquired by Apollo Global Management in a leveraged buyout and also merged with Protection 1.
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Its flag is the logo ( on a white horizontal flag, as seen here (flag on the right): (source:

For additional information go to ADT (official website):
Esteban Rivera, 15 April 2017