San Esters is a leading supplier of methacrylate and specialty acrylate monomers produced by its parent companies, Mitsubishi Rayon Company and Osaka Organic Chemical Industries. The wide variety of monomers available provides adhesive, paint and coating industries with new opportunities for developing environmentally compliant products with significantly improved properties. San Esters welcomes inquiries on custom manufacturing and special purity requirements.

San Ester Corp. is the joint venture of three companies: MITSUBISHI CHEMICAL AMERICA INC., OSAKA ORGANIC CHEMICALS IND. LTD. and KOWA AMERICAN CORP. The Name "San Esters" was derived from the Japanese word SAN, meaning three, to represent the three owners.

San Ester has a number of Quality Awards from companies such as Union Carbide(now Dow Chemical), Eastman Chemical and Witco(now G.E. Silicones). These awards are for 100% on time delivery, superior quality product and complete coverage of all new material and/or delivery requirements.