CompX International Inc.

Overview

CompX International Inc. (NYSE American: CIX) is a manufacturer of security and marine-related products. The company was incorporated in Delaware in 1993.

Business segments

• Security Products
• Marine Components

Products and applications

• Security Products: mechanical and electrical cabinet locks and other locking mechanisms used in postal, recreational transportation, office and institutional furniture, cabinetry, tool storage, and healthcare applications.
• Marine Components: wake enhancement systems, stainless steel exhaust systems, gauges, throttle controls, trim tabs, and related hardware and accessories for the recreational marine and related industries.

Market positioning and strategy

CompX targets medium- to high-end applications where design, quality, and durability are valued. The company pursues diversification into new markets and applications to drive earnings growth and reduce risk exposure.

Ownership and control (as of December 31, 2025)

• NL Industries, Inc. owns approximately 87% of CompX’s outstanding common stock.
• Valhi, Inc. owns approximately 83% of NL’s outstanding common stock.
• A subsidiary of Contran Corporation owns approximately 91% of Valhi’s outstanding common stock.
• A majority of Contran’s outstanding voting stock is held directly by Lisa K. Simmons and related family entities/trusts, who are required to vote Contran voting stock in the same manner as Ms. Simmons through April 22, 2030.
• The remainder of Contran’s voting stock is held by the Family Trust (third-party trustee).
• As a result, Ms. Simmons and the Family Trust may be deemed to control Contran and, indirectly, Valhi, NL, and CompX.

Corporate information

• Address: Three Lincoln Centre, 5430 LBJ Freeway, Suite 1700, Dallas, Texas 75240
• Telephone: (972) 448-1400
• Website: www.compxinternational.com

Risk factors and forward-looking statements

The company discloses forward-looking statements and identifies risks related to supply and demand, raw material costs, competition, customer retention, technology, regulatory matters, tax issues, and global economic conditions in its annual report and other SEC filings.