Fortune 500 Purchasers

Abbott Laboratories,
Air Products & Chemicals
Alcoa Power
AlliedSignal Inc.
Amerada Hess Corporation
American Electric Power
Amgen Amoco Performance Products
Anheuser Busch
Applied Materials ARCO
Asarco Inc.
Ashland Chemical Company
AT&T Bell Laboratories
Baltimore Gas & Electric Co
Bethlehem Steel Corporation
Boeing Commercial
Boise Cascade Company
Borden Chemicals and Plastics
Bristol-Myers Squibb Company
Carolina Power & Light Co
Caterpillar Inc.
Central & Southwest Services
Champion International
Chevron Chemical Co.
Colgate Palmolive Company
Computer Sciences Corp
Cummins Engine Company
Dover Chemical Corporation
Dow Chemical Company
Dresser Industries
Duke Power Company
DuPont Company
Eastman Kodak Company
Eastman Chemical Company
Eaton Corporation
Echlin Engine Systems
Edison S.P.A.
Eli Lilly & Company
Enron Corporation
Entergy Operations Inc.
Estee Lauder
Exxon Chemical Company
Farmland Industries
Fluor Daniel Inc.

FMC Corporation
Foster Wheeler USA
General Dynamics
General Electric Company
General Motors Corporation
Georgia Pacific
Goodyear Tire & Rubber Co
GPU Corporation
Halliburton Industrial Services
Honeywell IBP Inc.
IMC Global Inc.
Inland Steel Intel Corporation
International Paper
James River Corporation
Johnson Controls
Kellogg USA Inc.
Kimberly Clark Corporation
Lear Romec
LG&E Power Inc.
Lockheed Martin Corporation
Long Island Lighting Company
Lyondell Petrochemical Co
MAPCO Engineering Masco Corporation
McDonnell Douglas
Mead Paper Corporation
Merck & Company Inc.
Millennium Petrochemicals
Mobil Oil Corporation
Monsanto Chemical Company
Morton International
Motorola National Semiconductor
Niagara Mohawk Power Corp
Northeast Utilities
Northern States Power Co
Northrop Grumman Corp
Nucor Steel
Occidental Chemical Corp
Olin Corporation
Pacific Enterprises EMS
PacifiCorp/Hunter Plant
Pacific Gas and Electric
Parker Hannifin Corporation
PECO Energy Company

PG&E Gas Transmission
Philip Morris USA
Phillips Petroleum Company
Pacific Gas & Electric
Pfizer Inc.
PraxAir Inc.
Procter & Gamble Co.
Quantum Chemical Company
Ralston Purina
Raytheon Engrs & Const.
Rockwell International Corp
Rohm & Haas Company
Shaw Industries Inc.
Smurfit Carton De Colombia
Stone Container Corporation
SubMicro Systems Inc.
Tenneco Packaging Inc.
Texaco Texas Instruments
Texas Utilities
Tosco Refining Company
Ultramar Inc.
Union Carbide Corporation
Union Camp Corporation
Union Pacific Resources
United Tech
Unocal 76 Products Company
USX - US Steel
Valero Energy
Walt Disney Imagineering
Warner Lambert
Western Digital
Westinghouse Electric Corp
Weyerhaeuser Company
Willamette Industries Inc.
Witco Corporation
WR Grace & Company
York International Corporation