Description Guard Systems is a team player in the security-guard-services industry. The company is a member-owner of the TransNational Security Group, an alliance of regional security companies operating throughout the US. Guard Systems provides security services in the western US through offices in California, and Ontario, Canada. The company's service offerings include uniformed and plainclothes security guards, concierge services, security surveys, and security consultation and training. The company was founded in 1956.