- SARTOMER Company and European Sister Company, Cray Valley are the premier global suppliers of acrylate/methacrylate monomers, oligomers, photoinitiators, hydrocarbon resins, and other specialty chemicals. These products are used in ultraviolet, electron beam, peroxide, cationic, amine and hybrid cure technologies. Every aspect of Sartomer Company and Cray Valley operations is uniquely structured ...www.sartomer.com