See also: 08 3500 - Folding Doors and Grilles - for large opening walls
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 windows, doors, and storefronts can be fabricated from 13 domestic and exotic wood species – many from FSC-certified sources.
Dynamic Architectural Windows and Doors
Designed to replicate the crisp, clean aesthetics and narrow site lines of aluminum storefront systems, Dynamic's Common Mullion(tm) window walls also incorporate the flexibility and warmth of natural wood. The window walls share a perimeter frame, with shared or common mullions separating combinations of fixed and venting windows.
Grabill Windows & Doors
Traditional and contemporary storefronts. All wood provides a traditional, warm look for main street businesses. Aluminum or bronze cladding offer a contemporary, sleek style with minimal site lines. Shared mullion window systems incorporate both fixed and operable units, making each storefront one of a kind.
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.
Solar Innovations
Solar Innovations, Inc. provides custom designed, manufactured, and tested timber walls which can be used in vertical or sloped applications, including skylights. Each system is offered in several glu laminate options, which provides increased strength when compared to solid wood, and, with an aluminum exterior, additional durability and longevity are benefits of this system.