Architectural Components 
Quality workmanship. For more than 30 years, Architectural Components has specialized in building reproduction and custom wood windows, sash, doors, dooways, and architectural woodwork. We can build nearly any period or style of interior and exterior door imaginable. Blending traditional detailing and joinery with modern technology, our work has been approved by numerous historic commissions.
Duratherm Window Corporation
For nearly 40 years, leading architects have chosen Duratherm for unparalleled quality, performance, and commitment to projects of lasting importance. Duratherm’s superbly crafted wood doors are available in out-swing, in-swing, lift/roll, slide/fold, and our unique Windoor™. 13 domestic and exotic wood species – many from FSC-certified sources.
Dynamic Architectural Windows and Doors
Dynamic multi-panel bi-folding doors offer an alternative solution for creating wide, uninterrupted openings. Our flush sill option provides a seamless transition from interior to exterior spaces. Dynamic engineered cores create strength and stability, providing some of the largest wood doors available in the industry, under warranty, while retaining narrow stile and rail dimensions.
Goldbrecht USA
Uncompromising custom wood windows and doors since 1889. Experience highly innovative window technology and our sophisticated aluminum cladding options. We provide technical assistance covering the entire spectrum from the early planning stage through to CAD drawings and quality installation.
Grabill Windows & Doors
A critical eye for detail - serving the architectural community for over 25 years. Grabill offers an exceptional line of windows and doors. Featuring contemporary, traditional and historic preservation in all-wood, bronze and aluminum clad. Grabill Eco-Choice Windows are a perfect solution for architects and builders looking for sustainable options and meeting LEED® criteria.
Hurd Windows and Doors
Because every light commercial project is different and every architect’s vision is unique, Hurd’s Monument product line gives you four types of windows and patio doors to choose from. Hurd’s aluminum clad-wood, all-wood, H3, and Feelsafe windows and patio doors come with all the design options you can imagine and all the quality you demand.
Kolbe & Kolbe Millwork Co. 
One of the nation's leading manufacturers of premium windows and doors. After 60 years, our products are known for superior quality, custom craftsmanship, attention to detail, as well as innovative and unique designs. The extensive product line includes extruded aluminum clad, roll-formed aluminum clad, wood and vinyl windows and doors, as well as fiberglass doors. Available in a wide array of sizes and styles, with many options to choose from.
Luxbaum Windows + Doors
Luxbaum Windows + Doors - an award winning line of impact resistant windows, doors, and folding door systems. Built of merbau timber, their product line is designed for high-end residential projects, offering exceptional strength, durability, and design flexibility. In 2009, Luxbaum received a Crystal Achievement award from Window and Door magazine for their folding door series.
Millennium Door
Unique environmentally friendly solutions to any paint grade door application requirement. The Millenium Collection consists of four distinct door products that each fit a specific demand. Infinity, Ovation, Encore and Bravo Doors are all manufactured of renewable composite wood fiber materials for stability and reliability.
Pella Corporation 
Founded in 1925, Pella supplies wood and aluminum-clad wood windows and doors for commercial, institutional, and residential projects. Whether it's new construction or renovation, punched openings or window walls, Pella offers multiple product lines that allow architects to balance performance, aesthetics, and budget.
Supa Doors
Supa Doors manufactures Stile & Rail MDF Doors using a patented process of continuous lamination. Ideal for commercial and residential projects and high-end homes across the nation. Custom designs/sizes - Fire Doors rated up to 90 minutes - Glass Doors - High recycle content - Environmentally Friendly - Made in USA. Supa Doors: Inventors of the MDF Door.
Woodwork Institute
a regional Trade Association and Standards/Certification Authority serving California, Nevada, Arizona and Oregon.
4specs Discussion Forum - Great place to ask questions about specifications, products and technical data. Free - no registration required to read or post (subject to moderation).
See also:
08 1420 - Commercial Wood Doors
08 3120 - Sliding Doors and Grilles & Terrace Doors
10 5784 - Closet Doors
Architectural Components
Quality workmanship. For more than 30 years, Architectural Components has specialized in building reproduction and custom wood windows, sash, doors, dooways, and architectural woodwork. We can build nearly any period or style of interior and exterior door imaginable. Blending traditional detailing and joinery with modern technology, our work has been approved by numerous historic commissions.
Duratherm Window Corporation
For nearly 40 years, leading architects have chosen Duratherm for unparalleled quality, performance, and commitment to projects of lasting importance. Duratherm’s superbly crafted wood doors are available in out-swing, in-swing, lift/roll, slide/fold, and our unique Windoor™. 13 domestic and exotic wood species – many from FSC-certified sources.
Dynamic Architectural Windows and Doors
Dynamic multi-panel bi-folding doors offer an alternative solution for creating wide, uninterrupted openings. Our flush sill option provides a seamless transition from interior to exterior spaces. Dynamic engineered cores create strength and stability, providing some of the largest wood doors available in the industry, under warranty, while retaining narrow stile and rail dimensions.
Goldbrecht USA
Uncompromising custom wood windows and doors since 1889. Experience highly innovative window technology and our sophisticated aluminum cladding options. We provide technical assistance covering the entire spectrum from the early planning stage through to CAD drawings and quality installation.
Grabill Windows & Doors
A critical eye for detail - serving the architectural community for over 25 years. Grabill offers an exceptional line of windows and doors. Featuring contemporary, traditional and historic preservation in all-wood, bronze and aluminum clad. Grabill Eco-Choice Windows are a perfect solution for architects and builders looking for sustainable options and meeting LEED® criteria.
Hurd Windows and Doors
Because every light commercial project is different and every architect’s vision is unique, Hurd’s Monument product line gives you four types of windows and patio doors to choose from. Hurd’s aluminum clad-wood, all-wood, H3, and Feelsafe windows and patio doors come with all the design options you can imagine and all the quality you demand.
Kolbe & Kolbe Millwork Co.
One of the nation's leading manufacturers of premium windows and doors. After 60 years, our products are known for superior quality, custom craftsmanship, attention to detail, as well as innovative and unique designs. The extensive product line includes extruded aluminum clad, roll-formed aluminum clad, wood and vinyl windows and doors, as well as fiberglass doors. Available in a wide array of sizes and styles, with many options to choose from.
Millennium Door
Unique environmentally friendly solutions to any paint grade door application requirement. The Millenium Collection consists of four distinct door products that each fit a specific demand. Infinity, Ovation, Encore and Bravo Doors are all manufactured of renewable composite wood fiber materials for stability and reliability.
Pella Corporation
Founded in 1925, Pella supplies wood and aluminum-clad wood windows and doors for commercial, institutional, and residential projects. Whether it's new construction or renovation, punched openings or window walls, Pella offers multiple product lines that allow architects to balance performance, aesthetics, and budget.
Supa Doors
Supa Doors manufactures Stile & Rail MDF Doors using a patented process of continuous lamination. Ideal for commercial and residential projects and high-end homes across the nation. Custom designs/sizes - Fire Doors rated up to 90 minutes - Glass Doors - High recycle content - Environmentally Friendly - Made in USA. Supa Doors: Inventors of the MDF Door.
Woodwork Institute
a regional Trade Association and Standards/Certification Authority serving California, Nevada, Arizona and Oregon.