CompX Security Products is a family of four U.S. lock manufacturers which began with National Lock in 1903, Chicago Lock in 1920, Fort Lock in 1955, and Timberline in 1982. These four well known brands are still manufactured today in our South Carolina and Illinois plants. Click on one of the below to view a page from any company in the CompX Security Products family.
















CompX Security Products: 200 Old Mill Road; Mauldin, SC, 29662