About ISI Security

ISI Security is the leading provider of physical and electronic security solutions. Operated by a respected team of professionals and a seasoned management group with a winning track record, ISI Security provides its customers with world-class results and exceptional service.

Formed in 1990, ISI is headquartered in San Antonio, Texas and has offices throughout the USA. ISI Security and its subsidiaries have built an organization considered to be a forerunner of the security industry, whose innovative and revolutionary practices have resulted in a fully integrated line of products and services that provide unsurpassed solutions for commercial and government projects.

ISI Security values the importance of being customer-focused, responsible and proactive.

ISI Security and its subsidiaries are comprised of:


» ISI
» MCS
» PDI
» Com-Tec
» MCS Fire & Security


The ISI Security strategy focuses on offering a wide-range of services with the most relevant products and technology including:


» Detention Equipment
» Security Electronics
» Video Surveillance
» Access Control
» Perimeter Protection
» Intrusion Protection
» Fire Detection
» Commercial Doors and Hardware
» Retrofits of Operating Facilities (With no down time)


ISI Security…a customer’s ideal choice.