At PSI, Peripheral Systems Inc. we have much to offer our customers. Our Systems Philosophy and turn-key approach, enable us to offer a wide range of services. PSI, Peripheral Systems Inc. has been in business since 1982. Owner and President, Pat Redpath, started the company with seventeen years of solid electronics background and experience in general installations and service developed through military service and employment with ATT-Western Electric. PSI has become an established, thriving business finding success in over three decades of service. Part of our success comes from our proficiency in design, installation and service in all of our offerings from basic alarm systems, custom integrated solutions to automated gate systems. Our proven track record along with our expertise and capabilities has enabled PSI to provide solutions for national and local companies, federal and state agencies as well as individual homeowners.