California
CTB McGraw/Hill

Colorado
No Magic

Florida
CTB McGraw/Hill

Georgia
National Association of Broadcasters - Broadcast Engineers Division

Illinois
Chicago Title and Trust
Ford Motor Company
Funk Forging
International Union of Operating Engineers
LaSalle Bank
METRA
St. Paul Bank
International PowerWashers Association

Indiana
Acutus Gladwin
AMOCO
Bethlehem Steel Corporation
City of Gary
City of Hammond
EDS
Ford Motor Company
Georgia Pacific
HUD
Inland Steel
International Union of Operating Engineers
International Paper
Lura Brothers
National Steel
Voest Alpine

Kentucky
Newport Steel

Louisiana
National Association of Broadcasters - Broadcast Engineers Division

Maryland
Bethlehem Steel Corporation
Association of Iron and Steel Engineers

Massachusetts
National Association of Broadcasters - Broadcast Engineers Division
International Union of Operating Engineers
CTB McGraw/Hill

Michigan
Ford Motor Company
National Steel
Michigan Broadcast Association

Mississippi
Double G Coating

Missouri
Ford Motor Company
Broadcast Engineering Magazine
CTB McGraw/Hill

Nevada
National Association of Broadcasters

New Mexico
Sandi National Laboratories

New York
Bethlehem Steel Corporation
International Union of Operating Engineers
Knight Ridder Broadcasting

Ohio
Ford Motor Company

Pennsylvania
Bethlehem Steel Corporation

Rhode Island
Knight Ridder Broadcasting

Texas
International Union of Operating Engineers

Washington
International Union of Operating Engineers

Washington DC
International Union of Operating Engineers
Department of Labor

Wisconsin
Gwyaine Computers
Johnson Timber

International
Canada
International Union of Operating Engineers

Korea
U.S. Army

Lithuania
Business Training Center
Kaunas University of Technology
Lietuvos Tara
Vytautas Magnus University
No Magic