a.p.i. Alarm Inc is North America's largest privately owned and operated full service security company. A position that a.p.i. Alarm has maintained year after year. We understand that the security needs for a home unit, and any small/medium sized business or a commercial enterprise are entirely different. That is why we provide all our customers tailor-made, case-specific and cost-effective solutions so that they get exactly what they need. more... See more text