S-1 Corp. (Korea) engages in providing system security services. It operates through the following business divisions: Physical Security, Integrated Security Solutions, Information Security and Building Management Solutions. The Physical Security division offers alarm monitoring service, video surveillance, access control, other services and products such as fleet management, security safes, automated external defibrillator and personal security phone. The Integrated Security Solutions division provides services such as security consulting, solutions procurement, maintenance support, system design and integration. The Information Security division offers network security, endpoint security and vaccine program. The Building Management Solutions provides services such as property management, lease consulting, investment consulting, technical engineering service and energy management. The company was founded on November 28, 1977 and is headquartered in Seoul, South Korea.