Mul-T-Lock
- A US manufacturer of high-security locks.
- http://www.mul-t-lockusa.com/

The Electronic Lock Company
- UK manufacturer of high security electronic and electro/mechanical locks as well as digital key cabinets and anti hold up safes.
- http://www.electroniclock.co.uk/

ASSA Limited
- Manufactures high security locks and door hardware including access control and escape devices.
- http://www.assa.co.uk/

Malaysia Lock and Locksmith - Cheong Yew Choy
- Manufacturer of various automotive products and padlocks.
- http://www.dagangasia.com/emerchant/eStore10cyc/home.asp?tenantID=197

Kickstop Security Products Ltd
- Anti-burglary range of door and frame reinforcers to resist kick-in attack and forced entry of timber doors.
- http://www.kickstop.co.uk/

Ningbo Xianfeng Art & Craft Co.,Ltd
- Manufacturer and exporter of combination padlocks used for bags and other travel accessories.
- http://www.chinese-locks.com/

HIGH SECURITY LOCK
- Manufacturer of high security locks in Taiwan including, camlocks, and padlocks.
- http://www.kdlock.com

Fullyear Brother Enterprise Co., Ltd.
- Manufacturer and bespoke designer of locks, padlocks and portable security devices based in Taiwan.
- http://www.fullyear.com/

Contact Alarm It, Inc.
- Manufacturer of stainless steel alarmed security systems and cable locks for power sports, motorcycles, bicycles, boating and travel.
- http://www.alarmlocks.com/

Chubb Locks Limited
- UK lock manufacturer. Includes information about products, where to buy them, and a history of locks.
- http://www.chubblocks.co.uk/

Real Locks & Security Co., Ltd.
- Manufacturers of a range of locking systems for export and use with OEMs.
- http://www.reallock.com

Mass Enterprise Co Ltd
- Chinese manufacturer and supplier of disc tumbler locking devices and parts for cash and mail boxes.
- http://www.lockfurniture.com

Secure Industries Inc
- Distributor of locking systems and door furniture with an online catalog.
- http://www.secureindustry.com/

Zone Security
- UK Manufacturer of profile cyclinders and other locking security products.
- http://www.zonesecurity.com/

Squire Locks
- Manufacturer of a range of padlocks suitable for domestic and commercial use with export to US and Canada.
- http://www.squirelocks.co.uk/

Zhongshan Raiqee Lock Product Co., Ltd
- Chinese manufacturing company of various knob type locks, and cartridge locks. (In both English and Chinese languages)
- http://www.raiqee.com.cn/

Merlin
- Merlin manufacture electronic garage door locks for new and existing garages.
- http://www.merlingo.com

Yortec
- Manufacturer of electromagnetic locks and electric strikes.
- http://www.yortec.com/

Industrial Security Systems
- Manufacturer & distributor of cam locks, specialty locks and padlocks for various applications.
- http://iss4locks.com

China-Shenzhen Ideal Microelectronics Co., Ltd
- Specializes in manufacturing electronic locks and related security products, such as IC card lock, Magnetic card lock, RF card lock, and Keypad lock and readers.
- http://www.adellock.com

American Lock Company
- Makers of industrial grade security locks and devices for consumer and commercial applications.
- http://www.americanlock.com/

ABA Locks Manufacturing Co
- Manufacturer and exporter of tabular, wafer and cam locks, switches and a variety of lock cylinders.
- http://www.abalocks.com/