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certified-safety-act-sealISI 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 clients with world-class results and exceptional service.


ISI Security is headquartered in San Antonio, Texas and has offices throughout the USA. ISI Security has 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 client-focused, responsible and proactive.


ISI has furnished and installed detention equipment for more than 2000 correctional facilities. The expertise of the individuals within the ISI team and the excellent vendor relations with all the major manufacturers allow clients to have access to the most durable products available in today’s marketplace at the most economical prices.


ISI Security is an industry leader in the integrated systems custom design and manufacturing of electronic security and communication systems throughout the United States. Our primary markets include correctional facilities, city and county jails and industrial facilities. ISI’s integrated systems combine a wide range of functions into a single easily operated control console. Every function of the system is carefully engineered to operate smoothly and efficiently together. ISI’s systems include remote diagnostics to aid in trouble shooting which dramatically reduces maintenance labor.


We design our systems with future updating and expansion in mind, knowing that the needs and requirements of our clients grow and change over time. ISI offers a complete package of services and products from the initial stages of specification development to preventative maintenance contracts during and after the sale.


ISI manufactures steel and stainless steel detention products that include high security metal barriers, high security observation window systems, detention furniture and accessories.  For thirty years, architects have chosen to specify ISI steel detention products for our expertise and outstanding service, as well as the value and quality that we consistently deliver. ISI has earned their confidence in a wide variety of projects across the country by providing:



ISI dedicates itself to providing undeniable client satisfaction through the functionality, reliability and quality of each and every product we manufacture. Our in-house detailers and skilled support staff provide the design expertise needed to ensure total compliance, regardless of a project’s size or scope.


Manufacturing facilities in Orange, CA contain state-of-the-art equipment in a highly automated environment, providing ISI Security with the ability to cost effectively produce both standard products, and products to meet our clients’ precise specifications of exceptional quality.



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