Pacific Hardware Manufacturing Company
Pacific Hardware makes hinges, small metal stampings, and does assembly work.
http://www.pacifichardwaremfg.com/

Markar Products, Inc.
A leader in the commercial hardware industry, Markar Architectural Products produces the highest quality door components including door edge guards, door louvers, stainless steel door hinges, continuous hinges, adjustable continuous hinges, spring loaded hinges and aluminum hinges.
http://www.markar.com/

McKinney Products
Hinges and other door hanging hardware.
http://www.mckinneyhinge.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/

Pemko
Door seals, thresholds, continuous geared hinges.
http://www.pemko.com/

Southco, Inc
Southco is a manufacturer of fasteners, hinges, and latching systems for industrial applications
http://www.southco.com/

Omnia Industries
Manufacturer of brass hinges, cabinet and door hardware.
http://www.omniaindustries.com

Sierra Pacific
Manufactures hinges and industrial hardware and supplies. Catalog available.
http://www.spep.com/

Brookfield Industries, Inc.
Manufacturing of precision, engineered, industrial high capacity hinges and door operators, custom hinge. Lead shielded doors.
http://www.brookfieldindustries.com/

Eberhard
Manufacturer of specialty industrial hardware including latches and hinges.
http://www.eberhard.com