Founded in Gorham, New York, in 2011, Flint Creek Resources upcycles spent rare-earth and zirconia glass-polishing compounds into clean, custom-formulated polishing media. Its proprietary process removes glass, pad fragments, and other contamination from slurry or dry powder, helping manufacturers reduce waste while maintaining polishing performance. The company also draws on more than 35 years of surface-finishing experience for specialized consulting projects.
Koch Crystal FinishingSince 1988, Koch Crystal Finishing has specialized in grinding, polishing, and restoring delicate infrared and laser optics, including spectrophotometer windows and custom optical components. Its anhydrous polishing process is designed for moisture-sensitive crystals, while custom HIPS packaging protects finished surfaces from contamination and damage during shipment. The Elyria company also offers repolishing for clouded or scratched windows and custom far-infrared work, supported by staff with more than 65 years of combined experience.ELYRIA, OH
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
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
North Shore RubberNorth Shore Rubber re-engineers waste streams into elastomers and custom polymer compounds for industrial applications. Its Closed Loop Management Service takes customer waste, develops a suitable scrap-derived polymer, and returns it for use in new products, while North Shore Technologies develops compounds designed to preserve performance while incorporating waste material.AKRON, OH