Founded in 1975, Knox is a trusted leader in rapid access solutions. More than 15,000 fire departments, law enforcement agencies, military installations, and commercial, industrial, educational, and residential customers rely on Knox to provide secure, dependable access when it matters most.

For nearly 50 years, Knox has developed innovative solutions that enable first responders, facility teams, and authorized personnel to gain fast, safe, and secure entry into buildings and critical infrastructure, reducing forced-entry damage while maximizing safety, continuity, and operational efficiency. Today, these organizations use Knox products to manage access to more than one million properties nationwide.