Founded by the Chen family in Queens in 1990 with $100, Crystal Window & Door Systems manufactures custom windows and doors for residential and commercial projects. The family-run company now employs roughly 700 people across six plants, with a 215,000-square-foot headquarters and manufacturing facility in Queens and products distributed across more than 40 states. Its in-house, vertically integrated production includes a luxury Opus line fabricated with Belgian Reynaers Aluminum at the company’s Scranton, Pennsylvania facility.
ENERGY STAR Certified
Comfort Windows & DoorsFounded in 1979 as a Syracuse window business, family-owned and locally operated Comfort Windows & Doors manufactures custom windows and doors and provides home remodeling and installation services across Upstate New York. The company opened its own window-manufacturing operation in Liverpool, New York, in 1983 and today reports more than 300 employees and over 90 trucks statewide.LIVERPOOL, NY
Crystal Pacific Window & Door SystemsFounded in 2012 by Thomas Chen, the founder of Crystal Window & Door Systems, Crystal Pacific is the Riverside-based West Coast member of the Crystal family of manufacturing companies. Its 116,000-square-foot facility serves residential and commercial customers throughout Southern California and beyond, producing energy-efficient vinyl windows and doors with automated manufacturing for large-scale projects.COLLEGE POINT, 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
Optimum Window MFG CorpFounded in 1985 as a family-owned business in Ellenville, New York, Optimum Window MFG Corp. manufactures custom steel windows and doors and describes itself as one of the largest and most diversified U.S. manufacturers of fire-rated and architectural steel windows. It makes products in-house at its Upstate New York facility, combining decades of fenestration experience with custom fabrication for residential, commercial, institutional, historic, governmental, and correctional projects.ELLENVILLE, NY