AJ Manufacturing
Durable and attractive aluminum horizontal sliding, fixed lite and single-hung windows by AJ. The EZ Fit® self-flashing trim (available in custom colors) reduces installation costs. Transom windows and mullion kits adjoining multiple windows together create attractive architectural features. Custom painted shutters will enhance the curb appeal of your next building.
Arcadia
Arcadia has a window, sliding door, storefront, curtain wall, or entrance system for virtually every building need and requirement. Arcadia has a solution for institutional, multiple-story, custom entrance, and high traffic commercial applications. Our distinctive doors, windows, framing systems and related components are designed and manufactured according to stringent architectural requirements.
Capitol Aluminum and Glass Corporation 
Capitol’s aluminum window systems are custom engineered and designed with energy efficiency in mind. Our windows meet or exceed performance and aesthetic expectations at competitive prices. Newest selections: 250 ES-I and 325 ES-I, AW-Rated polyamide thermal break systems with Euro groove technology. Other reliable and long-proven selections: 325 ES and 325 SS, AW-Rated pour-and-debridge systems.
Goldbrecht-Systems 
We offer high-end aluminum window and door systems, including the highly unique Vitrocsa window system, featuring sliding doors or windows with ¾” sightlines, the slimmest profile in the world. Take advantage of our unparalleled experience and specialist engineering expertise to develop highly unique custom solutions for your project.
St. Cloud Window
Coastal, hurricane impact and extreme weather conditions. SCW900 Series products are well-suited to regions where the weather can create catastrophic conditions. Developed originally for the bitter winters of the northern plains, these windows have evolved for coastal conditions where high wind, heavy rain, blowing sand and flying debris push building components to the extreme.
Solar Innovations
Solar Innovations, Inc. provides custom designed and manufactured awning, casement, hopper, hung, fixed, folding, sliding, frameless corner, tilt-n-turn, and tilt-n-slide windows for residential and commercial applications. Each of these windows includes a thermally broken system and can be seamlessly incorporated into any Solar Innovations structure or directly into your home.
Thermal Windows
Thermal Windows, Inc. of Tulsa, Oklahoma, manufactures thermally broken aluminum windows and doors for projects nationwide. Our high-performance products include single hung, double hung, sliding and projected windows, as well as sliding glass doors and terrace doors. Anodized finishes and a vast selection of powder coat colors are available.
United States Aluminum
After more than half a century of manufacturing and engineering excellence, United States Aluminum has positioned itself as a leading architectural aluminum provider to the construction industry. Producing quality entrances, storefronts, curtain walls, windows, hurricane resistant, blast mitigation, and ribbon wall systems. Facilities across the United States and Canada provide regional customer support and distribution.
Wausau Window and Wall Systems 
Wausau is an industry leader in engineering window and curtainwall systems for commercial and institutional construction applications. For more than 50 years, Wausau has worked closely with architects, building owners and contractors to realize their vision for aesthetic beauty, sustainability and lasting value, while striving to maintain the highest level of customer service and satisfaction.
YKK AP America
YKK AP Commercial Windows are made for a variety of uses and job requirements. Products support casement, projected, hung, and sliding configurations for standard and heavy-duty applications. Select enerGfacade® windows for superior thermal performance and ProTek® windows for hurricane/blast-resistance.
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 5118 - Residential Aluminum Windows for windows typical of standard residences
08 8810 - Fire-Rated Glass & Framing for fire rated assemblies
AJ Manufacturing
Durable and attractive aluminum horizontal sliding, fixed lite and single-hung windows by AJ. The EZ Fit® self-flashing trim (available in custom colors) reduces installation costs. Transom windows and mullion kits adjoining multiple windows together create attractive architectural features. Custom painted shutters will enhance the curb appeal of your next building.
Arcadia
Arcadia has a window, sliding door, storefront, curtain wall, or entrance system for virtually every building need and requirement. Arcadia has a solution for institutional, multiple-story, custom entrance, and high traffic commercial applications. Our distinctive doors, windows, framing systems and related components are designed and manufactured according to stringent architectural requirements.
Capitol Aluminum and Glass Corporation
Capitol’s aluminum window systems are custom engineered and designed with energy efficiency in mind. Our windows meet or exceed performance and aesthetic expectations at competitive prices. Newest selections: 250 ES-I and 325 ES-I, AW-Rated polyamide thermal break systems with Euro groove technology. Other reliable and long-proven selections: 325 ES and 325 SS, AW-Rated pour-and-debridge systems.
Goldbrecht-Systems
We offer high-end aluminum window and door systems, including the highly unique Vitrocsa window system, featuring sliding doors or windows with ¾” sightlines, the slimmest profile in the world. Take advantage of our unparalleled experience and specialist engineering expertise to develop highly unique custom solutions for your project.
St. Cloud Window
Coastal, hurricane impact and extreme weather conditions. SCW900 Series products are well-suited to regions where the weather can create catastrophic conditions. Developed originally for the bitter winters of the northern plains, these windows have evolved for coastal conditions where high wind, heavy rain, blowing sand and flying debris push building components to the extreme.
Solar Innovations
Solar Innovations, Inc. provides custom designed and manufactured awning, casement, hopper, hung, fixed, folding, sliding, frameless corner, tilt-n-turn, and tilt-n-slide windows for residential and commercial applications. Each of these windows includes a thermally broken system and can be seamlessly incorporated into any Solar Innovations structure or directly into your home.
Thermal Windows
Thermal Windows, Inc. of Tulsa, Oklahoma, manufactures thermally broken aluminum windows and doors for projects nationwide. Our high-performance products include single hung, double hung, sliding and projected windows, as well as sliding glass doors and terrace doors. Anodized finishes and a vast selection of powder coat colors are available.
United States Aluminum
After more than half a century of manufacturing and engineering excellence, United States Aluminum has positioned itself as a leading architectural aluminum provider to the construction industry. Producing quality entrances, storefronts, curtain walls, windows, hurricane resistant, blast mitigation, and ribbon wall systems. Facilities across the United States and Canada provide regional customer support and distribution.
Wausau Window and Wall Systems
Wausau is an industry leader in engineering window and curtainwall systems for commercial and institutional construction applications. For more than 50 years, Wausau has worked closely with architects, building owners and contractors to realize their vision for aesthetic beauty, sustainability and lasting value, while striving to maintain the highest level of customer service and satisfaction.
YKK AP America
YKK AP Commercial Windows are made for a variety of uses and job requirements. Products support casement, projected, hung, and sliding configurations for standard and heavy-duty applications. Select enerGfacade® windows for superior thermal performance and ProTek® windows for hurricane/blast-resistance.