NL Industries, Inc., through its subsidiary, CompX International Inc., operates in the component products industry in the United States and internationally. The CompX s Security Products business manufactures and sells mechanical and electronic cabinet locks, and other locking mechanisms, including disc tumbler locks, pin tumbler locking mechanisms, and CompX eLock and Stealthlock electronic locks for use in various applications, such as ignition systems, mailboxes, file cabinets, desk drawers, tool storage cabinets, vending and gaming machines, high security medical cabinetry, electronic circuit panels, storage compartments, and gas station security. It serves recreational transportation, postal, office and institutional furniture, cabinetry, tool storage, healthcare, gas stations, and vending equipment industries. The CompX s Marine Components business manufactures and distributes original equipment and aftermarket stainless steel exhaust headers, exhaust pipes, mufflers, and other exhaust components; gauges, such as GPS speedometers and tachometers; mechanical and electronic controls and throttles; steering wheels and other billet aluminum accessories; and dash panels, LED lighting products, wire harnesses, and other accessories primarily for performance and ski/wakeboard boats. The company also offers insurance brokerage and risk management services. NL Industries, Inc. sells its component products directly to original equipment manufacturers, as well as through distributors. The company was founded in 1891 and is based in Dallas, Texas. NL Industries, Inc. is a subsidiary of Valhi, Inc.