Steel Window Institute

The Steel Window Institute (SWI) is an association of leading manufacturers of windows and doors made from hot-rolled purpose-made steel sections. Founded in 1920, our organization represents over 300 collective years of industry experience and is committed to promoting excellence in the design, manufacture, and application of steel windows and doors. Our members represent the best in the industry, offering a wide range of products that meet the highest standards of quality, durability, and performance.

Products and Services

At SWI, we take pride in offering a diverse range of products and services that cater to the needs of architects, specifiers, homeowners, and developers. Our members manufacture and provide steel windows and doors that are designed to meet the specific requirements of various settings, from traditional and historical structures to contemporary homes and commercial buildings. We offer products that are available in various styles, including fixed, ventilated, hot-rolled, cold-formed, fire-rated, or blast-and-hurricane-resistant options.

Detention and Security Features

We also offer detention and security features that cater to the needs of institutions, government agencies, and other organizations that require secure and controlled environments. Our products are designed to meet the specific requirements of various settings, including commercial, industrial, and institutional buildings.

Member Companies

At SWI, we have a network of reputable member companies that are leaders in the industry. These companies have a combined experience of over 300 years in the production of steel windows and doors. We encourage you to explore our member companies' websites to learn more about their products and services.

A&S Window Associates, Inc. is a leading manufacturer of hand-made steel frames for commercial, residential, and institutional applications. With years of experience in the industry, A&S Window Associates, Inc. offers custom fabrication and combines high-performance strength and aesthetics to meet design requirements. The company has worked closely with historical and landmark preservation groups to maintain the design integrity of existing buildings.

Arcadia, Inc. is a leading single-source supplier of architectural building products, including curtain walls, storefronts, entrance ways, windows, cold-rolled steel, hot-rolled steel, and interior framing. The company offers a range of products that comply with the Leadership in Energy and Environmental Design (LEED) for Core & Shell Rated System. Arcadia, Inc. also provides Building Information Modeling (BIM) technology to support building design and construction teams.

Reasons to Choose SWI

Choosing SWI means choosing a partner that is dedicated to promoting excellence in the design, manufacture, and application of steel windows and doors. Our members are committed to providing high-quality products that meet the highest standards of quality, durability, and performance. When you choose SWI, you can trust that you are working with a reputable organization that is committed to excellence in every aspect of its operations.

Media Center

For more information on SWI and its member companies, please visit our Media Center, where you will find press releases, articles, videos, and other resources that showcase the latest developments and trends in the industry.