Umemura Tetsuya
Umezu Yoshinori
UMICORE
Underwood Timothy R.
UNIMETAL
Union Steel Corp. (of So. Africa) Ltd.
United Refractories, Inc.
University College Cardiff
University of Louisiana at Lafayette
University of Minnesota, Inc.
University of Santiago de Compostela
University of Tenessee Research Foundation
Unsworth William
Uraphos Chemie GmbH
Urasumi Hiroyoshi
Urban Daniel R.
Urban Reclamation Technologies, Inc.
Urey David S.
Urzua Gabriel Angel Riveros
Usachev Alexandr B.