| 1st Windows: Replacement window distributor. |
| All Weather Windows: Offering a full range of windows,entry and garden doors. |
| Arcadia Industries: Fabricator and distributor of sliding, entry, panel, and accordion doors. |
| Authentic Window Design: Installation dealer offering building products delivered to your home or job site. |
| Clearview Windows: Specializing in windows and doors. |
| Construction Glass Industries: Casement, outswing and fixed windows. |
| Crystal Windows and Door: Manufacturer of aluminum and vinyl windows and residential entrance doors. |
| Custom Glass Doors: Beveled and stained glass doors, windows, entryways, transoms, sidelights and decorative art. Large online selection or custom built. |
| Deceuninck Plastics: PVC/vinyl window and door systems and building profiles. |
| Decoline Windows and Doors: Advanced window and door systems technology. |
| Deerfield Builders Supply: Supplier of windows and doors. World wide supplier. |
| Ditta Door and Hardware, Inc: Distributors for a range of patio and houseboat doors. the company also supply a range of architectural products . |
| Door-Doors Directory: Manufacturers and suppliers. |
| Ducana Windows and Doors: Manufacture, and installer of window and door products. |
| Elton Manufacturing: Manufacture windows for garage doors. Includes product specifications and installation instructions. |
| Essex Openings: Group of manufacturing companies that produce doors, frames, and hardware. |
| Five Star Windows: Specialize in vinyl, wood and aluminum windows and doors. |
| FM Industries: Manufacturers and retailer of vinyl and replacement windows and doors. |
| Gerkin Windows And Doors: Aluminum and vinyl windows and doors. |
| Harvey Industries, Inc.: Manufacturer and distributor of wood and vinyl windows. |
| Hillaldam Coburn Sliding Doors: Manufacturing and supplying sliding systems to construction and building industries. |
| International Window Corporation: Manufacturer of aluminum, vinyl and wood windows and doors. |
| Internorm-Fenster AG: Offers windows made of plastic, wood, and aluminum, basement windows, roller blinds, window shutters, accessories, as well as entrance doors made of aluminum and wood. |
| JBT Enterprises, Inc: Distributor, supplier and installer of Divisions 8 and 10 architectural doors, frames and hardware, as well as bath partitions and accessories. |
| Jensen Beach Aluminum, Inc.: Manufacture custom residential and commercial aluminum and vinyl enclosures, windows, doors, awnings, storm shutters, sliding glass doors, screen doors and railings. |
| Krieger Specialty Products: Manufacturer of custom doors and windows for security purposes. |
| LME: Aluminium specialist in supplies and fabrications of aluminium windows and doors systems. |
| Masterpiece Leaded Windows: Leaded and stained glass windows in Certainteed vinyl frames, fully assembled and ready to nail in. Company history, product showcase, and ordering information. |
| Mayfair Window and Door Company: Fixed picture and specialty shaped aluminum and vinyl windows. |
| MI Home Products Inc.: Manufacturer in window and door products for replacement and new construction applications. |
| Montezuma Doors, Ltd.: Manufacturer of interior southwest style doors and front entry systems. |
| Multiver: Quebec-based company specializing in the manufacture of sealed units, tempered glasses, and spandrels. |
| P C Henderson Ltd.: Manufacturer of a range of garage doors, and sliding door gear. Includes product data, photographs, technical specifications and customer information. |
| Quaker Windows and Doors: Manufacturer of vinyl, aluminum, and wood clad windows. |
| Robert Windows: Door and window manufacturer. |
| Rochester Colonial Door and Window Manufacturing: A one source distributor and manufacturer of quality windows, doors and accessories. |
| Sections, Inc.: Manufactures custom wood doors including traditional panel and carriage-house style garage doors. |
| Senior Alumininium Systems: Supply a wide range of aluminium glazing products including doors, windows, ground floor and curtain wall systems. Technical topics including a downloadable wind load calculator . |
| Seuster Roll Fast Doors: Developed, produced and installed roll-fast doors worldwide for over 20 years. |
| Swiss Shade: Awnings, security windows and doors custom made. |
| The American Window Alliance: National network of manufacturers of vinyl window products. |
| The Door Pro's: Steel entry and replacement doors. |
| The Door Shed: Manufacturers of bespoke joinery, windows, furniture and leaded/stained glass. |
| Tianjin Meitong Lumber Industry Co.,Ltd.: Manufacturer producing and exporting solid wood doors, built-in doors and cupboard doors for construction and decoration. China. |
| Town and Country Window Systems: Double glazing, windows and doors, conservatories. |
| Vinyl Windows Direct: Product and pricing information. |
| West Window Corporation: Manufacturer and distributor of custom vinyl and aluminum windows and doors. |
| Windoor Web: Manufacturers and distributors of entrance doors. |
| Window and Door Magazine Website: Filled with industry information, links and up to date news. |
| Windsor Windows and Doors: Windsor windows and doors. |
| World Doorways: Specializing in door, frame, and hardware systems. |