More than 60 years after Hayes Aikens founded it in 1963, Transwall remains a distinctly American manufacturer based in West Chester, Pennsylvania. Its long-tenured, hands-on workforce designs and builds adaptable glass wall systems for the people shaping commercial workspaces, from architects to contractors.
Environmental Product Declaration (EPD) – ONE LP
certification
Environmental Product Declaration (EPD) – ONE
certification
Environmental Product Declaration (EPD) – Transwall Doors
certification
Forest Stewardship Council Chain of Custody (FSC)
certification
Indoor Advantage™ Gold Air Quality Certificate
certification
Marchuska Glass, LLCFounded in 2007 by Bernie and Justin Marchuska as an offshoot of their construction and development company, Marchuska Glass designs and installs commercial and residential glass systems. The Vestal-based business is known for handling projects from storefronts to custom shower enclosures, with general manager Dan Wasson bringing more than 20 years of glazing experience to estimating, installation, and client service. Its team works closely with owners, builders, and architects to develop practical solutions for both new construction and older buildings.VESTAL, NY
Bryn Mawr GlassFamily-owned since 1947, Bryn Mawr Glass has served the Delaware, Montgomery, and Chester County communities for more than 75 years. The Havertown company is best known for custom frameless shower doors, providing tailored glass work for residential and commercial customers.HAVERTOWN, PA
William Penn Performance GlassFounded in 2011, William Penn Performance Glass is a York, Pennsylvania glass manufacturer known for bringing architectural designs to life through close work with customers. Its 25,000-square-foot facility handles production in-house, including tempered and laminated glass for commercial, institutional and public spaces.YORK, PA
Paul Wissmach Glass CompanyIn Paden City, West Virginia, Paul Wissmach Glass Company makes American-made art glass for artists and designers, from stained-glass sheets to COE 96 kiln glass and casting materials. The company has produced glass continuously since 1904, using hand-mixed color blends that include recipes more than a century old and rolling them through one of its 13 firebrick furnaces. Now employing more than 40 people, Wissmach ships through a worldwide distributor network and celebrated 120 years of production in 2024.PADEN CITY, WV