Integrated Access Control Services Inc. is a subsidiary of Open Systems Technologies Corporation (OST) based out of Northern Virginia. We offer security consulting, risk assessment, network system design, engineering, installation, maintenance & services for access control devices, intrusion detection systems, intercoms, video surveillance, mass notification and PA systems as well as the designing and implementing command and control rooms. We specialize in the design, engineering, installation, and services of cost effective, efficient, and reliable security solutions based around our client's specifications.