General Info

Guard Systems, also known as GSI, is a one of the largest, privately held providers of security services in Southern California. Founded in 1956, it manages a staff of more than 700 security officers. The company serves nearly 195 customers. Guard Systems offers planning, field supervision and training services. Its clients include malls, government agencies, and health care and educational facilities. The company s dispatch center operates 24 hours a day, seven days a week. It is a member of the Overseas Security Advisory Council, Department of Homeland Security, California Association of Licensed Security Agencies, Guards & Associates, and ASIS International. Guard Systems also offers online security tips.