Private company

CompX International

CompX International is an American company based in Dallas, founded in 1993.1

Last updated Oct 21, 2026.

Overview

1993Founded1

Corporate structure

CompX International is part of a group headed by Valhi, Inc.. 16 entities, 1 country on record. Switch between the flow chart and the network, and select any entity to see its details.

  • Valhi, Inc. Dallas
    • CompX International Dallas
    • ASC Holdings, Inc. Subsidiary · Utah, United States
    • Basic Environmental Company LLC Subsidiary · Nevada, United States
    • Basic Land Company Subsidiary · Nevada, United States
    • Basic Management, Inc. Subsidiary · Nevada, United States
    • Basic Remediation Company LLC Subsidiary · Nevada, United States
    • Henderson Interchange Sign LLC Subsidiary · Nevada, United States
    • Kronos Worldwide, Inc. Subsidiary · Delaware, United States
    • Medite Corporation Subsidiary · Delaware, United States
    • NL Industries, Inc. (2), (3), Subsidiary · New Jersey, United States
    • Tall Pines Insurance Company Subsidiary · Vermont, United States
    • The LandWell Company LP Subsidiary · Delaware, United States
    • TRE Management Company Subsidiary · Delaware, United States
    • TRECO LLC Subsidiary · Nevada, United States
    • Tremont LLC Subsidiary · Delaware, United States

Built from subsidiaries listed in Exhibit 21 of annual reports filed with the SEC; major holders from Schedules 13D and 13G. Each entity in the chart links to its source.

Timeline

  1. 1993Founded Founded1

Sources

The numbers on this page point here. Each one links to the record it came from.

  1. 1