Viscofan USA, Inc   IRO Specialty Chemicals USA, LLC   XSL USA, Inc   Invercenter USA, Inc   Pica USA, Inc.,   Koster Keunen, Inc   Koster Keunen, Inc.,   Asahi Glass Fluoropolymers USA, Inc   Ausimont USA, Inc.   Ligno Tech USA, Inc.   Sunkyong USA, Inc.   Takeda Vitamin & Food USA, Inc.   Alchemie USA, Inc.   Bio Rem USA, Inc.   Poly Systems USA, Inc.   Waiora USA, Inc.   Cosmetic Supplies USA, Inc.   Atotech USA, Inc.   Tosoh USA, Inc.   Buckton Scott USA, Inc.