Security Control Systems, Inc. (SCS) is a Houston, Texas-based integrated security and electronic control systems company serving commercial and industrial customers. Founded in 1983, the company specializes in integrating multiple security technologies into unified systems designed to improve facility protection, access management, monitoring, and operational security.

Its solutions include access control, video surveillance, parking and vehicle control, audio intercommunication, alarm monitoring, and integrated electronic security systems. Security Control Systems focuses on combining these technologies into centralized and easy-to-manage security solutions for complex commercial and industrial environments.