U. S. Filter Wastewater Group, Inc.
U.M.E., Incorporated
U.S. Environmental Products, Inc.
U.S. Environmental Protection Agency
U.S. Filter Corporation
U.S. Filter Distribution Group, Inc.
U.S. Filter Membralox
U.S. Filter/Illinois Water Treatment, Inc.
U.S. Filter/Stranco
U.S. Hydrex, Inc.
U.S. Leisure Incorporated
U.S. Peroxide LLC
U.S. Polychemical Marine Corp.
U.T. Battelle
U.T. Battlle, LLC
U.T. Board of Regents
Uban Steve
Ubelhor Eric
Ubelhor Martin E.
UCC International Limited