Comated Edilizia S.p.A.
Italian manufacturer of double-locking wedge clamps, self-locking spring clamps, anchor systems, couplers and other accessories for the construction market.
http://www.comated.com

Key-Less-Locking Mechanism
Knollan is a startup company that has completed the development of a very innovative locking mechanism. This mechanism is suitable for all kinds of locks, and for any security level, while offering many additional advantages over existing locks. The Knollan mechanism resembles the idea of a combination lock, but it is unique and entirely different from any existing locking device. It has many special features that lead to commercial strengths, if not market superiority, over existing locking mechanism.
http://www.knollan.com

U.S. Meter Fit Corporation
Manufactured Gas By-pass locking Meter Sets in various sizes ranging from 1.5 million cfh. to 23 million cfh. Products have three locking valves allowing the ability to proof meters without losing service and avoiding re-lights.
http://usmeterfit.com

The "Double-Checked Locking is Broken" Declaration
Details on the reasons - some very subtle - why double-checked locking cannot be relied upon to be safe. Signed by a number of experts, including Sun engineers.
http://www.cs.umd.edu/~pugh/java/memoryModel/DoubleCheckedLocking.html

Electronic Locking Systems
Electronic security systems including electro magnetic locks, key pad entry, proximity readers, solenoid bolts and electric release systems or strikes for use in access control and electronic locking applications.
http://www.electriclock.net/

Long-Lok Fasteners Corporation
Manufacture self-locking fasteners and self-sealing fasteners. Self-locking and self-sealing fasteners handbook, a standard reference of the industry available for download.
http://www.longlok.com/

Dual Deadbolt Lock
A locking mecanism with one deadbolt locking into the side door frame and the other into the upper door frame.
http://www.angelfire.com/ma2/DualDeadboltLock/index.html

Dr. Slick
Fly fishing tools such as pliers, clamps, scissors, and files.
http://www.drslick.com/

Fenghua Foreign Trade Managing Corp.
Fenghua Foreign Trade Managing Corp. is specialized in producing and exporting all kinds of Hardware.Main of the products: Knife,LED light,Mop,Hex key and Screwdriver.Our products is export to EUROPE,AMERICA,AUSTRALIA,KOREA MALAYSIA,and so on for many years.
http://www.nbe-china.com/

Ess Pee Industrial Corporation
Ess Pee Industrial Corporation - Manufacturer and exporter of striking hand tools, carpentry hand tools, striking hand tool, carpentry hand tool, striking tools, carpentry tools, striking tool, carpentry tool, double open ended spanner, cold stamp spanners, double spanner short pattern tool, ring spanner, spanner hand tools, elliptical hand spanners, combination spanners, spanner sets.
http://www.solidhandtools.com/