S-1 Corporation provides safety and security services in South Korea and internationally. Its physical security solutions include alarm monitoring services, physical security information management software, smart video management systems, access control systems, optical sensing systems, and ultra wide band sensors. The company also offers integrated security solutions comprising consulting, engineering, procurement, installation, and maintenance for office buildings, commercial buildings, airports, plants, marine transportation systems, and important national facilities, as well as residential security, intelligent traffic signal control, parking control system, traffic monitoring, automated payment system, and CPTED security consulting. In addition, it provides information security services consisting of security control, PC security, and vaccine software services. Further, the company offers building management solutions for property management, facility management, real estate consulting, and implementing building infrastructure under the S-1 Blue Asset brand, as well as other solutions comprising fleet management and personal security phone solutions. Additionally, it provides call center and telemarketing services. S-1 Corporation was founded in 1977 and is headquartered in Seoul, South Korea.