Industrial and commercial locksmith. CLS works with facilities management, residential and commercial property management companies, general contractors, industrial and commercial customers, city divisions, retail storefront owners and tenants, and building engineers in industrial properties, commercial buildings, and office buildings. CLS works with electronic locks systems, locks, doors, and door hardware. CLS works with the management companies in Southern California. CLS provides its customers on an appointment basis with locksmith service. Service for safes is also offered.