Founded in 1989, Signature Door, Inc. is an Altoona, Pennsylvania manufacturer of custom wood entryways, a business that began with the Nixon family managing the company and has continued into a second generation of Nixon leadership. Starting as an assembly plant, it brought door-slab, molding-frame, and decorative-glass production in-house by the mid-1990s and later added CNC machinery and other formerly outsourced processes. Its work centers on made-to-order entryways, including hurricane-rated designs.
Florida Hurricane Product Approvals
Compliance program
FLORIDAPRODUCTAPPROVAL
Quality certification
Bonelli's Custom Wood Products (BCWP)Bonelli’s Custom Wood Products makes solid hardwood interior and exterior doors, turning architects’ and homeowners’ sketches—or even verbal ideas—into fully custom designs in Avonmore, Pennsylvania. Lance Bonelli began the business as a side venture in 2007 after years of woodworking as a hobby, and his son Anthony joined in 2019, making BCWP a family enterprise. The company combines Victorian-era joinery with modern engineering, offering in-house drawings, custom finishing, and doors made entirely in America.AVONMORE, PA
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
Mountainside Wood ProductsMountainside Wood Products manufactures custom cabinet doors and related wood components for cabinet shops from its shop in Belleville, Pennsylvania. Leon Zook started the business in 2001, and it grew by adapting production to cabinet shops’ custom needs, with personal customer service and high-quality products at its center. The company describes its team as rooted in the Kish Valley woodworking community and uses high-tech equipment including a CNC machine.BELLEVILLE, PA
Signature CompaniesFounded in 1980, family-owned Signature Companies manufactures and supplies products for the home-building industry, with a long-standing focus on stairways and cabinetry. It operates manufacturing facilities in Pennsylvania and serves builders across the Mid-Atlantic, pairing custom design and production with installation services.CHAMBERSBURG, PA