Established in 1978, Sonitrol of Contra Costa offers a range of security services. It is a part of Kimberlite Corporation, which is one of the largest dealers of Sonitrol systems worldwide. Kimberlite Corporation serves businesses, schools and homes. The company provides access control systems for managing elevators and lighting systems. It also installs audio detection systems and closed circuit cameras. Kimberlite Corporation additionally offers smoke, heat, duct, voice evacuation and temperature monitoring systems. The company provides water flow and sprinkler monitoring systems and pull stations. Kimberlite Corporation operates more than 10 franchisees in the United States. Sonitrol of Contra Costa is located in San Leandro, Calif.