BILCO, celebrating its 100th anniversary in 2026, is a trusted leader among building professionals and provides specialty access solutions to support residential and commercial construction projects. Over the years, the company has continued to develop new products while staying true to its core values of innovation, quality and customer satisfaction. As part of Quanex Corporation, a global manufacturer of a variety of building products, BILCO continues to lean into its widely recognized engineering and technical capabilities. BILCO’s headquarters are located in New Haven, Conn.