- A. W. Hastings & Co., Inc.
 - Wholesale distributor of Marvin and Integrity doors and windows servicing building material retailers throughout New England and Eastern New York. - Atlantic Door Distributors
- Independently-owned garage door wholesale distributor featuring a network of dealers who install our full range of products throughout New England.
- Builders Express
- Database of wood and vinyl, custom surplus doors, windows and cabinetry for sale by dealers, builders and contractors.
- C. Fred Mangin & Associates, Inc.
- Representing manufacturers of doors, locks, hinges, and windows for architectural, commercial, consumer, and detention security applications.
- Elegant Window Door
- Manufactures and distributes custom grade wood doors and windows in a variety of finishes and species of wood.
- Hollow Metal Specialists, Inc.
- Provides prefabricated and custom doors, frames, windows, and hardware.
- Horner Millwork
- Manufacturer and distributor of doors, windows, kitchens and stairs to the residential, commercial and architectural markets. Serving New England.
- House Of Windows
- National window and door distributor selling discount products. Carries name brand replacement and new construction windows and doors.
- Luxbaum
- Custom impact resistant wood windows and doors including exterior french doors, Dade County approved windows, and solid wood folding doors.
- Magicseal
- Magnetic insect screens, as well as insulating and thermal windows.
- Marvin Window and Door Showcase
- New England distributor of Marvin doors and windows.
- MLi Products
- Offers custom wood windows and doors, including weight and chain double hung windows, inswing and outswing casement windows, French and panel doors, and screen doors.
- Radford Company, The
- Distributes a variety of doors and windows.
- SIMSA
- Offers 3D home interior design software including budget calculation, manufacturing, and stock control applications. Also manufacture aluminum windows and doors.
- United Products Corporation
- Distributor of roofing materials, siding, and doors and windows. Serving the Midwest.
- Window World
- Contracting company specializing in home improvement products including windows treatments, texture coating, vinyl siding doors, plantation shutters, and others.
- WindowRama
- Distributes windows, doors, and skylights for residential specifications. Locations in Eastern U.S.
- Woodgrain Millwork, Inc.
- Manufactures and distributes doors, vinyl and wood windows, finished and raw mouldings, and millwork for the housing industry.
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