A.P.I. Alarm Inc. is Canadas Largest Privately Owned and Operated alarm monitoring station. With over 20 years of experience exceeding the standards set out by the Underwriters Laboratories of Canada.a.p.i. alarm provide Home and Office security alarm system solutions. home alarm systems, home security alarm systems, security alarm systems, Home Securities Systems, security alarm system, home security alarm system, Wireless Security Camera Systems, residential security systems.a.p.i. alarm Access Control Systems give you the power to control and monitor access to your office premises and industrial facilities. With features of on-site and off-site control access supported by our systems, we offer market leading flexibility and security. Not just that, the a.p.i. alarm Access Control Systems can effortlessly work with up to thousands of users and doors simultaneously! It does not get any better than this!