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.
Bendheim Wall Systems
The leader in channel glass wall systems and the exclusive distributor of Lamberts LINIT channel glass. Bendheim framing systems are designed to meet the demands of your application and are fully tested, meeting or exceeding strict U.S. building requirements. Let Bendheim's engineering and installation experience be the foundation for your project from concept to completion.
BP Glass Garage Doors & Entry Systems
BP glass garage and entry doors offer an attractive alternative for architectural, commercial, and residential applications. We offer unique aesthetic appeal, maximum light transmission (with privacy), and durability. All BP doors are constructed from extruded aluminum alloy frames with a tensile strength of 38 ksi – approximately double the strength of others’ products.
Capitol Aluminum and Glass Corporation 
Capitol 245T thermally broken, center-glazed storefront framing system delivers overall superior performance capabilities. Our 145 non-thermal framing system is ideal for energy efficient vestibule entryways, vacant spaces, and exterior applications in milder climates. Integrate a Capitol entrance system with the 145 or 245T Storefront system to enhance any buildings’ design and aesthetics.
Cross Aluminum Products
Security and beauty. When comparing design, structural integrity and price, you will discover that there is not a better long-term value in the industry. For instance, Cross Aluminum Products’ heavy duty stile & rail doors deliver twice the structural integrity at about the same cost as most others’ medium stile storefront doors.
Doralco - Architectural Metal Solutions 
Metal-framed and all-glass entrances. Doralco specializes in manufacturing architectural aluminum window, curtain wall, storefront and entrance cladding for commercial architectural applications. We clad virtually anything in polished or satin stainless steel, brass, bronze, aluminum, muntz, or ACM composite. Doralco offers the world’s smallest dry glaze rails and the only proven dry glazed glass door rail.
Ellison Bronze
Since 1932 has continuously manufactured custom bronze, stainless steel, and aluminum doors and entrances. Originators of the manual balanced door, we also offer overhead concealed power operation. We can provide door construction utilizing other types of swing and sliding door hardware. A variety of configurations, materials and finishes are available. With service staff for maintenance.
Leed Himmel Industries
Leed Himmel can handle all of your storefront and aluminum glazing system needs – from simple standard doors to large, intricate curtain walls. Flush glazing from 1 ¾” x 4 ½” for ¼” glass to 2” x 4 ½” for up to 1” glass. Pressure wall systems range from 5 ½” overall to 8 ¾” or larger. We also offer a 2” x 4 ½” front glazed system for 1” and ¼” glass.
O'Keeffe's
Welcome to O'Keeffe's - Since 1939, O'Keeffe's has provided the building community with high quality daylighting systems for a wide variety of applications-windows, curtain walls, skylights, canopies and awnings.
Oldcastle BuildingEnvelope™
Oldcastle BuildingEnvelope™ is the leading supplier of architectural glass and aluminum glazing systems, including custom-engineered curtain wall and window wall, architectural windows, storefront systems, doors and skylights to architects, to building developers and owners, contractors and the entire commercial glazing community.
Solar Innovations
Solar Innovations, Inc. provides custom designed and manufactured curtain walls, window walls, and storefronts for residential and commercial applications. Solar Innovations, Inc. maintains a complete line of fenestration products as well as ventilation and decorative accessories to seamlessly transition from the new wall or storefront to your home.
Special-Lite
Special-Lite custom manufactures complete heavy-duty entrance systems for new and retrofit commercial applications. Competitively-priced aluminum storefront framing is fully assembled at our factory with minimal knock-down for shipment to ensure correct fit and reliable performance. A full line of aluminum stile & rail and flush doors and also available to provide a complete package.
Stainless Doors, Incorporated
Stainless Doors, Incorporated, headquartered in Hialeah, Florida, is a manufacturer of premium stainless steel doors, frames, windows, storefronts, and entrance systems. With more than 100,000 square feet of factory space, and the latest technology in design and manufacturing, Stainless Doors, Incorporated offers products which are geared for safety, performance and longevity.
Stiles Custom Metal
Specify StileLine™ storefront, curtain wall and entrances for industrial, commercial or designer applications in steel, stainless & bronze. Long spans, integrated structural members, bullet resistant and fire rated. For immediate design assistance, contact our staff with over 40 years experience.
Tajima Corporation USA
Tajima a prominent architectural metal manufacturer, based in Los Angeles, delivers more than 20 years of design, engineering, and production services to the industry. Tajima has extensive knowledge in metal facades, entrances, storefronts, metal wall panels, column casings, housings, sheds, sun protection, railings, and custom ornamental metals.
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.
YKK AP America
Aluminum entrance doors by YKK AP offer an abundance of design, performance and protection options. Flush panel and Monumental swing doors are available, as well as narrow, medium and wide-stile institutional-grade entrances are for all levels of traffic. Select enerGfacade® doors for superior thermal performance and ProTek® for hurricane impact-resistance and blast mitigation.
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 3500 - Folding Doors and Grilles - for large opening walls
08 4410 - Metal Framed Curtain Walls
08 5110 - Aluminum Windows
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.
Bendheim Wall Systems
The leader in channel glass wall systems and the exclusive distributor of Lamberts LINIT channel glass. Bendheim framing systems are designed to meet the demands of your application and are fully tested, meeting or exceeding strict U.S. building requirements. Let Bendheim's engineering and installation experience be the foundation for your project from concept to completion.
BP Glass Garage Doors & Entry Systems
BP glass garage and entry doors offer an attractive alternative for architectural, commercial, and residential applications. We offer unique aesthetic appeal, maximum light transmission (with privacy), and durability. All BP doors are constructed from extruded aluminum alloy frames with a tensile strength of 38 ksi – approximately double the strength of others’ products.
Capitol Aluminum and Glass Corporation
Capitol 245T thermally broken, center-glazed storefront framing system delivers overall superior performance capabilities. Our 145 non-thermal framing system is ideal for energy efficient vestibule entryways, vacant spaces, and exterior applications in milder climates. Integrate a Capitol entrance system with the 145 or 245T Storefront system to enhance any buildings’ design and aesthetics.
Cross Aluminum Products
Security and beauty. When comparing design, structural integrity and price, you will discover that there is not a better long-term value in the industry. For instance, Cross Aluminum Products’ heavy duty stile & rail doors deliver twice the structural integrity at about the same cost as most others’ medium stile storefront doors.
Doralco - Architectural Metal Solutions Metal-framed and all-glass entrances. Doralco specializes in manufacturing architectural aluminum window, curtain wall, storefront and entrance cladding for commercial architectural applications. We clad virtually anything in polished or satin stainless steel, brass, bronze, aluminum, muntz, or ACM composite. Doralco offers the world’s smallest dry glaze rails and the only proven dry glazed glass door rail.
Ellison Bronze
Since 1932 has continuously manufactured custom bronze, stainless steel, and aluminum doors and entrances. Originators of the manual balanced door, we also offer overhead concealed power operation. We can provide door construction utilizing other types of swing and sliding door hardware. A variety of configurations, materials and finishes are available. With service staff for maintenance.
Leed Himmel Industries
Leed Himmel can handle all of your storefront and aluminum glazing system needs – from simple standard doors to large, intricate curtain walls. Flush glazing from 1 ¾” x 4 ½” for ¼” glass to 2” x 4 ½” for up to 1” glass. Pressure wall systems range from 5 ½” overall to 8 ¾” or larger. We also offer a 2” x 4 ½” front glazed system for 1” and ¼” glass.
O'Keeffe's
Welcome to O'Keeffe's - Since 1939, O'Keeffe's has provided the building community with high quality daylighting systems for a wide variety of applications-windows, curtain walls, skylights, canopies and awnings.
Oldcastle BuildingEnvelope™
Oldcastle BuildingEnvelope™ is the leading supplier of architectural glass and aluminum glazing systems, including custom-engineered curtain wall and window wall, architectural windows, storefront systems, doors and skylights to architects, to building developers and owners, contractors and the entire commercial glazing community.
Solar Innovations
Solar Innovations, Inc. provides custom designed and manufactured curtain walls, window walls, and storefronts for residential and commercial applications. Solar Innovations, Inc. maintains a complete line of fenestration products as well as ventilation and decorative accessories to seamlessly transition from the new wall or storefront to your home.
Special-Lite
Special-Lite custom manufactures complete heavy-duty entrance systems for new and retrofit commercial applications. Competitively-priced aluminum storefront framing is fully assembled at our factory with minimal knock-down for shipment to ensure correct fit and reliable performance. A full line of aluminum stile & rail and flush doors and also available to provide a complete package.
Stainless Doors, Incorporated
Stainless Doors, Incorporated, headquartered in Hialeah, Florida, is a manufacturer of premium stainless steel doors, frames, windows, storefronts, and entrance systems. With more than 100,000 square feet of factory space, and the latest technology in design and manufacturing, Stainless Doors, Incorporated offers products which are geared for safety, performance and longevity.
Stiles Custom Metal
Specify StileLine™ storefront, curtain wall and entrances for industrial, commercial or designer applications in steel, stainless & bronze. Long spans, integrated structural members, bullet resistant and fire rated. For immediate design assistance, contact our staff with over 40 years experience.
Tajima Corporation USA
Tajima a prominent architectural metal manufacturer, based in Los Angeles, delivers more than 20 years of design, engineering, and production services to the industry. Tajima has extensive knowledge in metal facades, entrances, storefronts, metal wall panels, column casings, housings, sheds, sun protection, railings, and custom ornamental metals.
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.
YKK AP America
Aluminum entrance doors by YKK AP offer an abundance of design, performance and protection options. Flush panel and Monumental swing doors are available, as well as narrow, medium and wide-stile institutional-grade entrances are for all levels of traffic. Select enerGfacade® doors for superior thermal performance and ProTek® for hurricane impact-resistance and blast mitigation.