Sumitomo Metal industries, Ltd.
Sumitomo Metal Mining Co., Ltd
Sumitomo Metals (Kokura) Ltd.
Sumitomo Precision Products, Co.
Sumitomo Special Co., Ltd.
Sumitomo Special Metals Co, Ltd.
Sumitomo Special Metals Co., LTD
Sumitomo Speical Metals Co., Ltd.
Sumitomo Titanium Corporation
Summers David Ross
Sun Hong
Sun Kuan H.
Sun T. C.
Sun Weiping
Sundberg Mariann
Sundquist Heikki A.
Sundqvist Mikael
Sung Jin Kyung
Sung Yuh
Sunyx Surface Nanotechnologies GmbH