CompX Chicago manufactures hundreds of locks for use as components on products in a variety of industries. Our locks meet the highest engineering design and quality standards and are marketed either direct to the manufacturer of an end product, or through a network of distributors to small shops or replacement markets. The three main categories are:

  1. Manufactured to Order locks, referred internally as "MTO" or "OEM" products, include our entire product line. Standard products are shown in the following catalog, though more than half of our sales volume comes from special locks which are designed and tooled specifically for the needs of major customers.
  2. STOCK LOCKS® is the trademark registered name of our distribution program of the most popular specifications in dimension and keying. These products, as shown in the following catalog, are available from stock, and are shipped within 24 hours to established customers.
  3. Vending

CompX Security Products
Phone: 864.297.6655
Shipping: PO Box 200: Mauldin, SC 29662
Street: 26 Old Mill Road, Greenville, SC 29607