Mid-South Automatic Door
Supplier for automatic doors, revolving doors and door hardware.
http://www.msad.biz/

Automatic Home Co
Offering entrance doors, automatic gates, shutters for windows, and rolling door.
http://www.automatic-home.com/

Specialty Doors
Interior doors, glass doors, sliding glass doors, acoustical doors, traffic doors, frameless glass doors, frosted glass doors, exterior folding doors, and door hardware.
http://www.specialtydoors.com/

B.E.A., Inc.
Sensors for automatic doors.
http://www.beainc.com/

Pella Doors and Windows
Premium Grade windows, patio doors, entry doors, storm doors and skylights. Available in the U.S. and Canada.
http://www.pella.com

Horton Automatics
Designing, manufacturing and selling automatic doors.
http://www.hortondoors.com/

Grizzly Electrodynamic Coporation
Grizzly Electrodynamic Corporation - Taiwan, Asia, Automatic Door Manufacturer, Automatic Sliding Door, Sliding Door, Automatic Doors, Automatic Door, Automatic Door Operators, Automatic Door Operator, Automatic Door System, Manufacturer.
http://www.grizzly.com.tw/

Garaga overhead garage doors manufacturer
Garaga Garage Door Manufacturer
http://www.garaga.com/

Bilco
Roof scuttles, automatic fire vents, floor, vault and sidewalk doors.
http://www.bilco.com/

Tianjin Meitong Lumber Industry Co.,Ltd.
Manufacturer producing and exporting solid wood doors, built-in doors and cupboard doors for construction and decoration. China.
http://www.meitongdoor.com/