Ulrich Richard L.
Ulrich Ronald G.
Umezawa Katsushi
Umiastowski Tomasz
Umney Michael A.
Underwood Don C.
Underwood Donald M.
Unewisse Heinz
Ungerecht Cliff
Ungerman James M.
Ungerman John P.
Uni-Flange Corporation
Uni-Mist, Inc.
Uniflex
Uniflex S.p.A.
Uniroc AB
Uniroyal Limited
Unisert Multiwall Systems, Inc.
Unisert Systems, Inc.
United Pipeline System, USA, Inc.