Lockheed Engineering & Sciences Co., Burbank, CA

Metro 25 Korea, Seoul, Korea

New England Power Co., Westborough, MA

U. S West Communications, Des Moines, Iowa

Central Illinois Power Co., Peoria, Ill

USX Corp., Pittsburgh, PA

International Paper Co., Erie, PA

Dow Chemical, Midland, MI

Barclays' Bank, New York City, NY

General Motors, Los Angeles, CA

AMAX Corp., Climax, Colorado

Tampa Electric Co., Tampa, Fl.

Wisconsin Electric, Milwaukee, WI

Azcon, Inc., Stone Mountain, GA

Algonquin Gas Transmission Co., Boston, MA

CNA Insurance Co., Brea, CA

Frontier Insurance Co., San Diego, CA

Caterpillar, Denver, Colorado

Washington Public Power Supply System, Richland, Washington

District Energy Services, Minneapolis, MN

Agway Corporation, Albany, NY

St. Paul Fire and Marine Insurance Co., Brentwood, TN

American Insurance Group (AIG), New York City

Athens Generating Plant, Athens, New York

International Paper Co., Erie, PA

Millennium Power Partners, Charlton, MA

OCI Chemical Corp., Green River, Wyoming