Established in 1971, Mannix Window Products is a Brentwood, New York manufacturer known for supplying architectural windows to the high-rise construction market. Its products have been installed in mixed-use, commercial, and residential towers exceeding 50 stories, with the company supporting projects from engineering through installation.
Thermo-Roll Window CorporationFrom its Long Island base, Thermo-Roll Window Corporation custom manufactures heavy commercial aluminum windows and doors for new construction and retrofit work across the New York tri-state area. With more than 30 years of experience, the company is distinguished by a Premium product line built around more than a dozen patents held by president Frank Manzella, including concealed safety hardware and frame systems designed to simplify future replacements. Its projects include major New York City installations, from thousands of tilt-and-turn windows at 120 Broadway to historic landmark casements on the Upper East Side.FREEPORT, NY
Case Window & DoorEstablished in 1993, Case Window & Door manufactures custom windows and doors at its American-made facility in Green Island, New York. The company is known for collaborating closely with architects on highly tailored architectural fenestration, from expansive window walls to frameless sliding glass systems, and its work appears in distinctive residences and hospitality projects across North America and the Caribbean. Case moved into its 48,000-square-foot manufacturing plant in 2003, expanding from its original 17,000-square-foot Schenectady facility.GREEN ISLAND, NY
Jangho Curtain WallFounded in 1999, Jangho Curtain Wall designs and manufactures architectural façade systems for high-rise, commercial and landmark buildings, providing integrated engineering, fabrication and installation support. Its work includes more than 400 skyscrapers worldwide, including over 80 buildings taller than 300 meters, with projects such as Shanghai Tower and Marina Bay Sands. Jangho operates manufacturing and R&D facilities across China and overseas, serving more than 30 countries and regions through EPC and design-and-supply models.
Hope’s Windows, IncFounded in Jamestown, New York, in 1912, Hope’s Windows handcrafts custom steel and bronze windows and doors for demanding architectural projects. Its products are built in the United States by more than 230 employees across four manufacturing plants, with a dedicated testing and research facility on the Jamestown campus. Hope’s is especially known for historically accurate renovations, including its 1,700-window retrofit at Pearl Harbor Naval Shipyard, while its independently tested systems also address modern performance and safety requirements.URBANA, OH