Keedex - manufactures products for the safe, locksmith, access control, gate and fence industries.

Mas-Hamilton Group - manufactures hig-security locks for the government and commercial markets.

Master Lock - the world's largest manufacturer of padlocks, door hardware and related security products

Medeco Lock Co.

New England Lock - Segal Lock

Sargent and Greenleaf Lock Manufacturer

Weiser Lock - making door hardware, including locksets, deadbolts, handlesets and leversets, since 1904.