Bohemia-based Delta Lock engineers and manufactures commercial locking systems, with a particular focus on small-format interchangeable cores and locks designed for institutional, contractor, and manufacturing applications. Its SFIC cores are made in the USA, while its service extends beyond the hardware to key-system management, retrofit projects, and installation support across the United States and Canada. In 2018, Delta launched its Innovation Lock technology division to develop electronic upgrades that can communicate with existing mechanical locks and security devices without requiring lock replacement.
Midwest Security Products, IncFounded in 1985 to serve vending and coin-operated equipment makers, Sylvania-based Midwest Security Products designs and supplies mechanical, electronic, and intelligent locking solutions for OEM and commercial security applications. Its in-house engineering and manufacturing teams develop custom locks with integrated high-security cylinders, while the company’s full-service lock and key department produces more than 2 million made-to-order locks and keys each year. Midwest also supports deployments nationwide with installation, system management, training, and break-fix service.SYLVANIA, OH
Alarm Lock Systems, a division of NAPCO Security Technologies, IncFor more than 40 years, Alarm Lock Systems has made electronic access and egress locks for commercial doors, with its Trilogy line serving as the brand’s signature product for locksmiths and security professionals. A division of NAPCO Security Technologies, Alarm Lock engineers and manufactures its products in New York and the Caribbean, and now operates within NAPCO Access alongside Marks USA and Napco Access Pro to provide integrated locking and access-control solutions.AMITYVILLE, NY
Roper Lock Box, LLCSince 1975, Roper Lock Box has manufactured lock boxes and safety products from Hudson, Ohio, starting with a single combination box for real estate agents and growing into a supplier for emergency services and property-preservation work. Its distinctive Critical Entry Municipality Program now serves more than 100 emergency service departments across over 15 states, helping responders enter participating homes without forced entry. Roper’s Small Four Number Lock Box has sold more than 630,000 units, while its Guardian platform lets customers change combination lids without replacing the vault.HUDSON, OH
Key Systems, IncFounded in 1983, Key Systems, Inc. designs and manufactures American-made systems that secure, track, and audit keys and other critical assets. Based in Fishers and Victor, New York, the company pairs electronically controlled cabinets and lockers with its GFMS software, while offering custom layouts for facilities with unusual storage needs. Its long-running focus on key accountability extends from Tamper-Proof Key Rings to large, network-enabled asset-control installations.VICTOR, NY