Our client base ranges from government agencies, property managers, healthcare facilities, supermarkets, financial institutions and universities to small, medium, and large corporations and pharmaceutical companies, as well as homeowners and retail businesses. From simple lock changes to keyless or master key systems, our firm provides service, repairs and expert installation. Our door services include repair, replacement, new installation and customization of automatic entrances, storefronts, warehouse doors and security vestibules. Our advanced security solutions include access control, intercoms, biometric systems, closed-circuit television (CCTV), and gate operators. Colline takes a personalized approach to your most advanced security demands. In addition, our licensed, bonded technicians offer 24-hour service for any home or business emergency.