TOK America, Inc. is a U.S. subsidiary of Tokyo Ohka Kogyo, Ltd., specializing in manufacturing and marketing ultra high-purity Photoresists and auxiliary chemicals for the semiconductor industry. They serve as a supply hub for semiconductor photoresists and high-purity chemical agents in the United States and Europe. TOK America is committed to environmental conservation and safety in their business operations, addressing hazardousness in chemical materials through R&D activities. They aim to be recognized as an environmentally conscious company by society, focusing on product development, manufacturing, shipping, collection, and disposal processes.