Glasphera

Employee size

2-10

Organization type

Privately Held

Headquarters

Media, PA

Founded

2025

Glasphera turns 100% recycled, post-consumer glass into lightweight expanded glass sands and granulates for construction and industrial applications. Its vertically integrated manufacturing and U.S.-based application lab support consistent materials and practical guidance, including a demonstrated lightweight concrete blend that reduced unit weight by 25%. The company focuses on giving discarded glass a functional role in more circular building systems.

• Remark GlassSince 2016, Philadelphia-based Remark Glass has handblown small-batch home accessories from post-consumer bottle glass, turning discarded local bottles into pieces such as drinking glasses and custom lighting. Working from the Bok Building alongside its sister nonprofit, Bottle Underground, the studio developed glassblowing techniques specifically for recycled material and has diverted more than 420,000 pounds of glass from landfill. Remark Glass is Philadelphia’s first zero-waste certified business, with silver status for diverting at least 70% of its processed material from landfill.PHILADELPHIA, PA
• Ruby Lake Glass LLCKnown for turning discarded glass into durable, vividly colored surfaces, Ruby Lake Glass is a Richfield Springs, New York manufacturer of recycled glass aggregate. Its custom-coated material has been used in public projects across the country, including New York City crosswalks and bike lanes, while its team works with customers from initial design through installation.RICHFIELD SPRINGS, NY
• SusMaXSpun out of Drexel University, Philadelphia-based SusMaX converts off-spec coal ash into lightweight aggregate for construction through a patented thermochemical process. Its SPORA material is made from recycled waste coal ash and is intended to reduce landfill diversion and reliance on quarried aggregate, with applications including lightweight concrete and masonry products.327992PHILADELPHIA, PA
• Owens Corning FOAMGLAS®Owens Corning FOAMGLAS® makes cellular glass insulation, a rigid material formed from sealed glass cells for building and industrial applications. Pittsburgh Corning introduced FOAMGLAS® in 1942; Owens Corning acquired Pittsburgh Corning in 2017, and the insulation is now produced at purpose-built factories in Belgium, the Czech Republic, China, and the United States. The company describes the insulation as made with an average of 50% post-consumer recycled glass.PITTSBURGH, PA