NL Industries, Inc. manufactures cabinet and other locks (disc tumbler locks, pin tumbler locking mechanisms, and CompX eLock and StealthLock electronic locks) for use in ignition systems, mailboxes, file cabinets, desk drawers, tool storage cabinets, vending and cash containment machines, medical cabinetry, electronic circuit panels, storage compartments, and gas station security. The company also offers original equipment and aftermarket stainless steel equipment. NL Industries was founded in 1891 and is headquartered in Dallas, TX.