Kyma Technologies, Inc., is a materials science company manufacturing and supplying crystalline and polycrystalline nitride semiconductor materials. The firm offers template products that include thin crystalline layers of gallium nitride (GaN), aluminum nitride (AlN), and aluminum gallium nitride (AlGaN); bulk products, including c-plane bulk GaN substrates, non-polar and semi-polar bulk GaN substrates, polycrystalline GaN, and AlN and AlGaN substrates; epitaxial device wafers; diamond wire; and accessories such as sapphire place-holders and comparison geometry wafers, as well as precision wafer processing services and characterization services.