Mitsubishi Chemical Group Corporation Japan carbon fiber, carbon tow, cfrtp, dialead, epoxy resin, prepreg, pyrofil, and rapid cure prepreg
Teijin Limited Japan carbon fiber tow, carbon fiber, cfrp, epoxy resin, prepreg, tenax, and thermoplastic tape
Toray Industries, Inc. Japan advanced composites, carbon fiber tow, carbon fiber, cfrp, epoxy resin, prepreg, torayca, and towpreg