- Master Lock
 - Manufacturer of padlocks, door hardware, and related security products. - Kwikset
- Manufacturer of residential locksets.
- ASSA ABLOY Group
- Worldwide producer of mechanical, industrial, electromagnetic, and electronic locks and locking systems.
- Medeco
- Makers of high security locks.
- McGard, Inc.
- Manufacturer of locking security products such as wheel and boat propeller locks.
- Sargent and Greenleaf Lock Manufacturer
- Eastloc Engineering and Products
- Manufacturer and supplier of cam locks, hinges, handles, door locks, and other furniture hardware.
- ABLOY
- Manufacturer of locks, locking systems, and architectural hardware and developer of products in the field of electromechanical locking technology.
- Corby
- Manufacturer of access control systems and electronic locks.
- Saflok
- Electronic lock and access control for the hospitality industry.
- Keedex
- Manufactures products for the safe, locksmith, access control, gate and fence industries.
- Link Locks
- Features door, furniture, cycle, mobike, cable, and pad locks.
- ABA Locks Manufacturer Co., Ltd.
- Manufactures and exports Tabular, Wafer, Cam and Switches locks, and a variety of lock cylinders like Pagoda, ABACO, master key, Shackleless and Magic.
- Multi Lock, Inc
- Manufacturer of aluminum locks for gates, wire cribs, and security areas.
- Kaba Mas
- Manufactures high-security locks for the government and commercial markets.
- PRO-LOK
- Offers locksmithing tools, lock picking tools, gun locks, car opening tools, key cutting machines, and other locksmith accessories.
- Shengping Safety Protection Locks Manufacturer
- Manufacturer and exporter of brass, iron, and stainless steel padlocks.
- Illinois Lock Company
- Produces custom engineered locks including keyless, electric switch, high security, and weather resistant as well as ball bearing slides and remote keyless entry systems.
- Pujiang Wushi Lock Manufacturer Co. Ltd
- Manufactures and exports iron, brass, steel, and stainless steel security locks.
- Kryptonite
- Offers a complete line of tough padlocks for bicycles, home and office, powersports, and ski/snowboard gear.
- Framon Manufacturing Company
- Manufacturer of key machines and locksmith tools. Web page features key machine and tool line, distribution network, and technical information.
- Jin Tay Industries Co.,Ltd.
- Lock manufacturer.
- A1 Security Manufacturing Corp.
- Manufacturer of locksmith tools, picks, and key machines for interchangeable core, automotive picks, high security key blanks, and specialty tools
- Lockwood
- Manufactures a variety of locks, door closers, and security products.
- KD Locks
- Manufactures regular and tubular key cam locks, switch locks, padlocks, and more.
- Australian Lock Company
- Designs and manufactures Bi Lock products and the ARMSAFE gunlock.
- Fortress Interlocks Limited
- Manufacturers of trapped key interlocks and the AmGard range of interlocks.
- Shopin Lock Company
- Manufactures combination padlocks as well as trailer hitch, attache case, bike, door, roller shutter, and luggage locks.
- Yinxian Yimei Hardware and Locks Manufacturing Co., LTD.
- Manufacturer of locks, handles, plumbing, hardware tools, and other metal products.
- Lock Manufacturing Company
- Secure computers, automobiles, and housewares.
- M-Power Lock Manufactory
- Offering luggage locks.
- Pindome Corporation
- Produces wireless key devices for door locks used in the home, office, and automobile. Pindome makes remote entry systems that can be accessed by cellular phones, PDAs, pagers, watches, and other devices.
- Moretti Associates
- Offering security systems, access control, and installation services to schools, universities, medical facilities, and government organizations.
- T. Morgan & Sons Ltd
- Manufactures and supplies padlocks, door locks, and related security products.
- Interlock Group
- Designs and manufactures window and door locking hardware.
- Junghwa Metals Co., Ltd.
- Korean manufacturer of door locks.
- Glox Industry Co., Ltd.
- Glox Industry is a professional lock manufacturer and supplier that provides a variety of combination padlocks, safe locks, TSA locks, and more.
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