Founded in 2008 and based in the Washington, D.C. area, WD Advanced Materials manufactures fully traceable, U.S.-made chemical vapor deposition (CVD) diamond substrates and thin films for advanced technical applications. The company grew from pioneering laboratory-grown gemstone production into a materials specialist focused on electronic, quantum, and optical-grade diamond, supported by exclusive worldwide rights to single-crystal CVD technology secured through the Carnegie Institution for Science in 2011. Its patent-protected processes and established infrastructure support repeatable commercial production of purpose-built diamond materials.
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SCS Sustainable Diamond Certification
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CVD Equipment CorporationSince its founding in 1982, CVD Equipment Corporation has built more than four decades of expertise designing and manufacturing specialized process equipment for demanding materials research and industrial production. The Central Islip company works with universities, government laboratories, and manufacturers, helping move advanced-material processes from application-lab trials into production.CENTRAL ISLIP, NY
CVD Equipment CorporationFounded in 1982, CVD Equipment Corporation is a Central Islip, New York manufacturer with more than four decades of experience in advanced process equipment. Its work helps research institutions and industrial producers develop and scale materials, with a particular focus on the demanding silicon carbide market shaped by electric-vehicle adoption. The company also operates an application laboratory where engineers test processes and equipment before customers move from research toward production.CENTRAL ISLIP, NY
AGA9Founded in 2025 by Anil and Gargi Poddar, AGA9 Systems manufactures CVD lab-grown diamond plates and rough for demanding industrial applications. The company brings the Poddar Diamonds family’s 40-year diamond-industry heritage to the non-gem segment, with a particular focus on integrating diamond substrates with chips to manage heat and structural demands in future semiconductor technologies. Its plates are offered as customized solutions for applications ranging from advanced electronics to precision tooling.MANHATTAN, NY
SCI Engineered Materials, IncSince its founding in Columbus in 1987, SCI Engineered Materials has grown into a global manufacturer of advanced materials for PVD thin-film applications. Its 32,000-square-foot Ohio facility keeps production in-house, supporting custom work for technologies ranging from photovoltaics to semiconductors.COLUMBUS, OH