Sundoor Manufacturing Pvt Ltd.
- Manufacturer of doors, door frames, and window shutters. Based in Vadodara, Gujarat, India. Technical specifications, photo gallery, and contact details.
- http://sundoorindia.com

North Star Manufacturing
- Extruder and fabricator of vinyl windows and doors. Based in St. Thomas, Ontario, Canada.
- http://www.northstarwindows.com/

Gardinia Windows
- Residential PVC-U windows, doors and conservatories. Profile, illustrated product descriptions, news and location map. [Requires Flash]
- http://www.gardiniawindows.co.uk/

Progressive Windows Inc.
- Designs and manufactures vinyl windows and doors, specializing in tilt and slide designs. Photos and descriptions of product lines and dealer information are provided. Based in Fairview, Oklahoma.
- http://www.tiltandturnwindows.com/

Mersey Replacement Windows
- Manufactures and installs uPVC windows and doors. Profile and location map.
- http://www.merseyreplacementwindows.co.uk/

Thermal Industries, Inc.
- Windows manufacturer offering vinyl windows including replacement, stained glass, bow, bay, casement, garden and double hung windows.
- http://www.thermalindustries.com/vinyl_windows_doors.html

ORAN Windows
- Manufacturer of quality PVC (vinyl) windows.
- http://www.pvcwindows.com

Columbia Glass & Window Company
- Manufacturer of aluminum and vinyl windows for both new construction and replacement applications.
- http://www.columbiawindows.com

Phoenix Door Panels
- Door panels, toughened glass, silicon sealed, bespoke glazing designs, mahogany, woodgrain, light oak finishes.
- http://www.phoenixdoorpanels.co.uk/

Compact Integrate Pte Ltd
- Manufactures uPVC windows and doors, aluminium barriers, fencing systems.
- http://www.integrate.com.sg/

Vinylbilt Shutter Systems Inc.
- Manufacturer of custom vinyl interior designer shutters , new home and custom replacement windows in casement, double-hung, slider and architectural styles and sliding and inswing patio doors.
- http://www.vinylbilt.com/

Renewal by Anderson of Northern Ohio
- Specializing in replacement windows and doors.
- http://www.windowpro.net/

Eurobuilt, Inc.
- Windows and doors made of extruded pvc.
- http://www.eurobuilt.com/

John Fredericks Plastics Co.
- UK Based manufacturer of double glazed windows. Country wide coverage.
- http://www.johnfredericksplastics.co.uk

Therma-Tru Doors
- Designs and produces energy efficient exterior doors made of advanced composite materials. Based in Maumee, Ohio.
- http://www.thermatru.com/

Plastiques Industriels
- PVC extruder for doors and windows. A member of the Royal Technologies Group.
- http://plastic-ind.com

Thai Fiberglass Doors Company
- Manufactures interior and exterior fiberglass doors.
- http://www.strongfiber.com/

Pease Industries
- The appearance and stainability of wood - the durability and affordabilty of fiberglass.
- http://www.peasedoors.com/