Mul-T-Lock develops, manufactures, and markets high-security locking and access-control solutions. The company invented the four-way locking system, and its patented ENTR intelligent locking solution combines mechanical and digital technology for optimal performance and security. Mul-T-Lock holds hundreds of international patents and develops solutions for mechanical cylinders, locks, padlocks, electromechanical access control systems, a range of electronic door solutions, automatic assembly and key-cutting machines, and vehicle protection solutions and complementary accessories. The companys solutions comply with the most stringent international standards and are suitable for installation in residential, commercial, and institutional environments. Mul-T-Lock Ltd is an ASSA ABLOY Group brand, and its products are sold through 20,000 authorized, trained service centers worldwide.