Northeast Hinge Distributors
Manufacturer of weld on hinges, spring hinges, butt hinges, plastic hinges,latch hinges, spring release hinges, stainless steel strap & tee hinges, and military hinges.
http://nehinge.com

Magnetic Sensor Systems
MSS Solenoid and Electromagnet Catalog, Solenoid and Electromagnet Manufacturer- linear solenoids, rotary solenoids, tubular solenoids, open frame solenoids, latching solenoids, push solenoids, pull solenoids, A.C. solenoids, D.C. solenoids, low cost solenoids, high quality solenoids, electromagnets and drivers.
http://www.solenoidcity.com/

Velko Hinge, Inc.
Velko Hinge, Inc. is one of the nations leading manufacturer of heavy gauge continuous and specialty order hinges for industry
http://www.velko.com/

Bakker Manufacturing
Welcome to Bakker Manufacturing
http://users.hunterlink.net.au/~maadbb

PBB, Inc. 
An architectural hinge manufacturer with experience in the commercial hardware market place.
http://www.pbbinc.com/

Universal Industrial Products
SOSS Invisible Hinges in a vast range of sizes and styles provide architects, cabinet makers, builders and manufacturers with multi-functional versatility and adaptability.
http://www.soss.com/

Hager Hinge
Hager Companies website is the premier source for product and industry information. Our site provides users with powerful tools and valuable content to increase your efficiency and productivity.
http://www.hagerhinge.com/

Columbus Innovation
Makes snowboard based on a front and a rear ski connected by a double hinge. Holland.
http://www.columbusinnovation.com

Innovative Hinge Products Inc.
The innovative hinges are a high-quality, cost-effective solution for heavy gate and door applications
http://www.ihpinc.net/

Waite Enterprises
Waite Enterprises will supply parts, mechanical assemblies. We have a line of heavy door hinges for very heavy doors up to 35,000 lbs.
http://www.waiteenterprises.com/