Ameren Energy
American Electric Power
Air Products Chemical Group
AK Steel Corporation
Arkema, Inc.
Azteca Milling, LP
BASF Corporation
Bristol-Myers Squibb
Carbide Industries, LLC
Chemetall Foote Corporation
Chemtrusion, Inc.
Country Mark Refining and Logistics, LLC
Electric Energy, Inc.
Fibervisions Incorporated
GAF Materials Corporation

ISP Chemicals
Japan Steel Works, Ltd.
Kimberly-Clark Corporation
Logan Aluminum
Lubrizol Advanced Materials, Inc.
Martin Holdings
Marubeni Techno-Systems America
Newpage Corporation
Neu, Inc.
Peck Flannery Gream Warren, Inc.
Pittsburgh Glass Works, LLC
Quemetco, Inc.
R.T. Vanderbilt, Inc.
Rogers Group, Inc.

SABIC Innovative Plastics
SABIC Innovative Plastics Canada
SABIC Innovative Plastics China
SABIC Innovative Plastics Mexico
SABIC Innovative Plastics S. America
Southern Illinois Power Cooperative
Ticona Polymers, Inc.
TruVue, Inc.
Toray Resin
Toyota Motor Manufacturing of Indiana
Tyson Foods, Inc.
Universal Industrial Gases, Inc.
Vectren Power Supply
Wacker Polymer Systems
Wausau Paper Towel & Tissue
Westlake PVC Corporation
Wrigley Jr. Company
Zeller Electric