The ADT Corporation (ADT) is a provider of electronic security, interactive home and business automation, and monitoring services for residences and small businesses in the United States and Canada. The Company�s products and services include home and business solutions, and home health services. The Company�s brands include ADT, ADT Pulse and Companion Service. As of September 31, 2013, the Company offers a variety of alternate and back-up alarm transmission methods including cellular, digital radio and broadband Internet. On August 2, 2013, the Company acquired Devcon Security Holdings, Inc. In November 2013, Kastle Systems International announced that it had acquired Mutual Central Alarm Services and Stat-Land Security Systems from ADT Corporation.