Founded 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.
NFRC 100
NFRC 200
NFRC 400
NFRC 500
Florida Building Code TAS 201, TAS 202, and TAS 203
Miami-Dade hurricane and impact certification
Florida Building Code certification
UL 752
UL 10C
ASTM E1996 and ASTM E1886
ASTM F1642
GSA TS01 Level C and Level D
ISO 12944-6 C5-M
Steel Window Institute membership
LEED support
Compliance program
Clean Air Act of 1990 compliance
Compliance program
FLORIDABUILDINGCODETAS202
Quality certification
FLORIDABUILDINGCODETAS203
Quality certification
GSATS01LEVELD
Quality certification
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
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
U.S. Vinyl Windows and DoorsSince 1967, U.S. Vinyl Windows and Doors has manufactured custom windows and doors for residential and commercial customers in the Northern Virginia, Washington, D.C., and Maryland suburbs. Based in Upper Marlboro, the company combines hands-on craftsmanship and extra inspection with experienced customer service, supplying projects ranging from replacement work to commercial developments of more than 3,000 openings. Its historic-window work includes National Park Service-sanctioned certified rehabilitation, while its products are backed by lifetime warranty coverage.UPPER MARLBORO, MD