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.
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We are committed to delivering world-class protection services with a personal touch. Our company stands at the intersection of advanced security solutions and exceptional client services--including on-site personnel, mobile patrols, surveillance systems, and risk assessments-tailored to meet the unique needs of each client.
Airtight Security serves the security needs of its clients. It provides services in Los Angeles, Orange, Riverside, San Bernardino, San Diego San Francisco, Sacramento and Ventura counties in California. The company provides free on-site analysis and estimation services. It offers patrol and guard services to a range of business districts, government agencies, homeowner associations, gated communities, courthouses, libraries, parks, schools, hospitals, clinics and residences. The company also provides scanner wand verification, alarm response, executive escort and vehicle patrol services. Airtight Security employs parking enforcement officers, gate sentries and lobby ambassador. In addition, the company provides daily, weekly and monthly reporting services.
