CompX International Inc. manufactures and sells security products and recreational marine components primarily in North America. It operates in two segments, Security Products and Marine Components. The Security Products segment manufactures mechanical and electrical cabinet locks, and other locking mechanisms used in various applications, including ignition systems, mailboxes, file cabinets, desk drawers, tool storage cabinets, high security medical cabinetry, integrated inventory and access control secured narcotics boxes, electrical circuit panels, storage compartments, gas station security, and vending and cash containment machines. This segment serves recreational transportation, postal, office and institutional furniture, cabinetry, tool storage, healthcare, and other industries. The Marine Components segment manufactures and distributes stainless steel exhaust headers, wake enhancement systems, stainless steel exhaust components, gauges, throttle controls, trim tabs, and related hardware and accessories; trim tabs, steering wheels and billet aluminum accessories; original equipment and aftermarket stainless steel exhaust headers, exhaust pipes, mufflers and other exhaust components; GPS speedometers and tachometers; mechanical and electronic controls and throttles; dash panels, LED indicators and wire harnesses; and grab handles, pin cleats and other accessories primarily for ski/wakeboard and performance boats, as well as for the recreational marine and other industries. The company sells its products directly to original equipment manufacturers, as well as through distributors. The company was incorporated in 1993 and is based in Dallas, Texas. CompX International Inc. operates as a subsidiary of NL Industries, Inc.
Company profile updated November 7, 2026.
As of November 6, 2026. Daily closing data may differ from the live quote shown in the dashboard.
Compare the company’s price history and fundamentals in the dashboard. Explore disclosed trading and ownership activity in these research collections: