SCECO

Saudi Arabia

Lagoven

Venezuela

CADAFE

Venezuela

City Utilities Co.

USA

CFE

Mexico

Consol. Edison

USA

Dow Chemical Co.

USA

Emp. De Energia de Bogota

Colombia

Emp. De Electricidad de Quito

Ecuador

Exxon Singapore Ltd.

Singapore Refinery

Ghandi Electric Industries Ltd.

India

Florida Power & Light Co.

USA

High Voltage Maintenance Co.

USA

Kennecott Copper Co.

USA

Lagoven PDVSA

Venezuela

Lower Valley Power & Light Co.

USA

M & A Electric Power Co.

USA

Tucson Gas & Electric Co.

USA

Transformer Maintenance Co.

USA

U.S. Army Corps of Engineers

USA

Varian X-Ray Tube Products

USA

Wagner Electric Co.

USA

WESCOSA

Saudi Arabia

Western Light & Tel Co.

USA

West Texas Utilities Co.

USA

Puerto Rico Electric Power Auth.

Puerto Rico

Northwest Electric Power Coop.

USA

Stillwater Electric Utilities

USA

Abu Dhabi National Oil Co.

United Arab Emirates

AC Compressor Co.

USA

Amax Specialty Metals Co.

USA

Anaconda Aluminum Co.

USA

Audi ARAMCO

Saudi Arabia

ALCOA

USA

BP Oil Co.

USA

CALTEX Sumatra

Indonesia

Campbell Soup Co.

USA

Caterpillar Tractor Co.

USA

Champlin Refinery Co.

USA

GMC, Chevrolet Div.

USA

GMC, Tonawanda Plant

USA

Chrysler Corp.

USA

CITGO Refining Co.

USA

Clarke Airforce Base

Philippines

Dakota Gas Co.

USA

Kuwait National Oil Co.

Kuwait

Detroit Plastic Molding Co.

USA

Dow Chemical Co

USA

BP UK Ltd.

North Sea Platform

Statoil France Cie.

North Sea Platform

Elliott Compressor Co.

USA

Exxon Chemicals Co.

USA

Exxon Refining Co.

USA

Exxon Pvt. Ltd.

Singapore

Exxon Lithcon Refinery

China

Ford Motor Co.

USA

General Electric Turbine Div.

USA

Northrop Grumman Ingalls Shipyard

USA

Ingersoll Rand Corp.

USA

Lithcon Petroleum Co

Taiwan

Marathon Oil Co. UK Ltd.

North Sea Platform

PREPA

Puerto Rico

Mobil Oil Co. North Sea Ltd.

North Sea Platform

National Methanol Co. IBN ZAHR

Saudi Arabia

ADNOC

Abu Dhabi

Petrolink Co.

USA

Phillips Petroleum Co

USA

PUSRI Sumatra

Indonesia

Quantum Chemical Co.

USA

Shell Oil Co.

USA

Statoil France Cie.

North Sea Platform

Sonatrach Cie.

Algeria

Westinghouse Electric Co

USA

Worthington Cie.

France

U.S. Airforce Base, Wright Patterson

USA

YANPET

Saudi Arabia

Zexel Co.

USA

Refineria Isla

Curacao

Saudi Aramco Mobil Refinery

Saudi Arabia

Sulzer UK Ltd.

North Sea Platform

Qatar General Petroleum Company Ltd.

Qatar, United Arab Emirates

Tupperware Corp.

USA

Utah Martin Day

USA

Terra Intl.

USA

Texaco Inc.

USA

Texas Intl. Co

USA

Thu Duc Hydroelectric Co.

Viet Nam

N.W. Electric Cooperative

USA

Sho-Me Power Co.

USA