Global Performance Windows (GPW), the U.S. Counterpart of Epsylon, is a full service company specializing in design, engineering, fabrication and installation of architectural aluminum products. GPW/Epsylon manufactures and installs insulated and hurricane tested curtain wall, fixed and operable windows, doors, sliding glass doors, paneling, and cladding. The owners of GPW/Epsylon have over 38 years of fenestration experience, and are the former owners of Gamma Industries Inc. & Gamma USA. As owners of Gamma USA, they have executed such projects as: Mandarin Oriental Hotel, One City Plaza, Two City Plaza, Bellamare, W Hotel, The Gables Club, Las Olas River House, Setai, Marquis, Villa di Mare, Bentley Beach, Bentley Bay, The Courts at Brickell, Jade Residence, Blue Condo, Tequesta Towers, and Marina Blue.