Main contributor
- Citizens for Clean Air1
- Clio Awards Collection1
- Constable, J. M.1
- Coronet Productions1
- Crawley Films Limited1
- David N. Baker1
- Dick, Sheldon1
- ERPI Classroom Films, Inc.1
- Encyclopaedia Britannica1
- Erpi Classroom Films Inc.1
- Erpi Classroom Films, Inc.1
- Foremost1
- GT&E1
- Gene Krupa and His Orchestra1
- General Motors1
- George Feil1
- Glass Container Manufacturers Institute1
- Glass Container Manufacturers Institute 1
- Howard W. Odum1
- Illinois Department of Public Health1