Ro-Suco, Inc. is a family-owned Worthington, Pennsylvania manufacturer of custom window and door grids, serving the window, door, and glass industries since 1984. Its grids are fabricated to customer specifications from aluminum muntin bar for use between the panes of insulated glass units.
Viwinco, IncFounded in 1982, Viwinco is a family-owned and operated manufacturer of custom-made vinyl windows and patio doors based in Morgantown, Pennsylvania. It produces nearly all of its products in-house, including its own tempered and laminated glass, and serves residential and commercial new-construction and replacement projects.MORGANTOWN, PA
Superior Window Manufacturing, IncSuperior Window Manufacturing is a family-owned Pittsburgh-area manufacturer of custom vinyl windows, incorporated in 1992, with a history in the window and construction fields dating to the 1970s. The company builds windows locally and provides installation services for homeowners and contractors across the Pittsburgh region. It also supplies and installs residential doors, while its wholesale option provides custom windows for customer installation.PITTSBURGH, PA
Winchester IndustriesWinchester Industries is a privately owned Saltsburg, Pennsylvania manufacturer of replacement windows and doors, producing custom-made products since 1983. Its specialty is triple-pane glazing, a focus it established with its early Bristol replacement windows; the company operates Bristol and Oxford product lines and sells through an exclusive dealer network across the United States.SALTSBURG, PA
Thermo-Twin WindowsFounded in 1972 as a glass supplier, Thermo-Twin Windows is an employee-owned Pittsburgh-area manufacturer and remodeling company that crafts windows at its Oakmont facility. The company also designs and installs windows, doors and sunrooms, with its own crews handling installation across the region.GLASSPORT, PA