American Lock and Alarm Corp. is one of the most skilled and experienced security contractors in the NYC metro, Nassau, Suffolk, Westchester and surrounding areas. Founded in 1988 and immediately considered highly reputable among its industry peers, American Lock and Alarm Corp. has been providing security consultation and systems installation to some of the largest businesses including many Fortune 500 Companies in the New York region. American installs card access systems, burglar alarms, video surveillance and home automation systems. We have a complete locksmith shop with mobile key cutting and key programming machines. Call today for a free consultation.