Calwest Private Security, located in Pittsburg, Calif., has been providing security services for more than five years. The company also provides security guards and patrolling services to the local community. Its clients include shopping malls, apartment complexes, new construction sites and special events. Calwest Private Security offers sercurity services for office building, vehicle patrols, schools, shopping centers and new construction. The company employs three supervisors, two patrol drivers and more than 25 security officers.