Nick's Building Supply
Exterior Doors, Exterior Wood Doors, Interior Wood Doors and Entry Wood Doors at Wholesale Prices
http://www.nicksbuilding.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/

Classic Doors and Mantels
Specializes in building custom doors and fireplace mantels that are available in a variety of paint and stain finishes. Product catalog online. Based in High Point, North Carolina, United States.
http://www.doorsdoorsdoors.com/

Nellis Custom Woodworks
Nellis Custom Woodworks specializes in building Timber Frame Homes, Log Homes, building custom doors, cabinets, flooring, and using recycled lumber for flooring cabinets and doors in the surrounding area of Big Sky, Montana.
http://www.nelliscustomwoodworks.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

Metal Building Distributors, LLC
Welcome to Metal Building Distributors' website, where you can learn about metal building systems from Metallic. If you can imagine a a metal building, we can provide that metal building - anywhere in the world!
http://www.go-mbd.com

Green Building Product News
A magazine about sustainable products used in the building/construction trades, including plumbing, electrical, lumber, paint, flooring, windows/doors, insulation, roofing, masonry, and HVAC.
http://www.gbproductnews.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/

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/

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/