American Water Works Association
(3)
Association of American Railroads
(3)
Axis Comics / Hero Illustrated
(1)
Brotherhood of Railroad Trainmen
(2)
Captain Clockwork Comics
(1)
Comic-Con International
(2)
Daily Mirror Newspapers
(1)
Dark Horse / Cartoon Network
(1)
Exxon / Walt Disney Educational Media
(1)
Federal Reserve Bank of New York
(8)
Frontier Communications
(1)
Harvey / American Airlines
(1)
International Shoe Company
(11)
King Features Syndicate
(5)
Marvel / American Cancer Society
(3)
Minneapolis Science Fiction
(1)
National Fire Protection Association
(1)
New York State Department Oof Mental Hygiene
(4)
Parke, Davis and Company
(1)
Soil and Water Conservation Society of America
(6)
Superhero Entertainment
(1)
Texas Bankers Association
(1)
U.S. Department of Health and Human Services
(1)
U.S. Department of Health, Education and Welfare
(1)
United States Forest Service
(5)
Webs Adventure Corporation
(36)
Welsh Publishing Group
(1)
