Celebrating 135 years in manufacturing, Overly Door Company is known for engineering precision barrier systems around the exact demands of architects, contractors, and government customers. The company makes custom specialty doors and fixed window units, including systems built for acoustical control and security-sensitive facilities. Overly maintains ISO 9001:2015 certification for its design and manufacturing work.
ISO 9001:2015
certification
Fleming Steel Door CompanyIn its third generation of family ownership, Fleming Steel Door Company has been a New Castle manufacturer since 1921, known for solving unusually demanding door-design problems. Its engineers and fabricators create custom systems for facilities where dependable operation matters, including aviation and military projects, and the company also supports those systems after installation.332321NEW CASTLE, PA
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
Manhattan Steel Door & Window CompanyManhattan Steel Door & Window Company designs, fabricates, and installs custom steel doors and windows, including thermally broken systems, interior and exterior doors, steel windows, shower doors, and bifold and sliding doors. The company hand-builds one-of-a-kind products in America for residential, commercial, and retail projects and ships nationwide.BROOKLYN, NY
Wolf Lumber & Millwork, IncFounded in 1982, Wolf Lumber & Millwork grew from a cabinet shop into a Pennsylvania manufacturer known for engineered door components made to exact customer specifications. Since 1995, it has served wholesale door companies and architectural millwork businesses across the United States and, at times, international markets, with custom work built for stability and reduced waste.DUNCANSVILLE, PA