Cornell Iron Works - Rolling Door Specialists
Cornell manufactures overhead doors, insulated doors, fire rated doors, counter shutters, hurricane doors, security grilles, and side folding accordion products.
http://www.cornelliron.com/

Acme Rolling Doors
commercial and industrial steel doors, Ridgefield, NJ.
http://www.acmedoor.com/

Rolling Door Parts
Parts for rolling doors, grilles, roll-up doors, slide and swing gate operators
http://www.rollingdoorparts.com/

The Cookson Company
Offers a line of rolling doors and grilles for industrial applications.
http://www.cooksondoor.com/

Windsor Door
Windsor Door manufactures, distributes steel-wood residential, steel-aluminum commercial, and industrial rolling steel garage doors, accessories and openers, dock surrounds & shelters. Call about contract manufacturing.
http://www.windsordoor.com/

Indupart Ltd
Indupart- The UK'S largest trade supplier of industrial door components/hardware & supplier of industrial doors to the trade. Depots at Stockport, Hemel Hempsted, Bristol Glasgow
http://www.indupart.co.uk/

All Season Rolling Shutters
Rolling shutters for energy and security for windows and patio doors.
http://www.allseasonshutters.com/

City-Gates Manufacturing Co.
CITY-GATES has designed and fabricated model CG300 overhead coiling doors, model MM10 coiling grilles, CGCS150 counter shutters and CGFD300 UL Approve
http://citygatesusa.com/

Dynaco
DYNACO, manufacturer of the safest high speed roll-up industrial doors, provides self-repairable, totally sealed, flexible high performance doors for food, pharmaceutical, industrial, freezer, cleanroom and sector's specialized applications.
http://www.dynacodoor.com

Schweiss Bi-Fold Doors
Aircraft hangar doors, commercial and agricultural doors made convenient with Schweiss Bi-Fold and Hydraulic Doors, manufacturer of custom bifold and hydraulic doors.
http://www.bifold.com/