Main contributor
- Olympia Brewing Company1
- Opportunities Industrialization Center1
- Preakness Stakes1
- R.C.M. Productions2
- Richard Leslie Gair (1892-1970)3
- Safety Belt Task Force1
- Sam Coslow2
- Sealtest4
- See Other Contributors3
- Sergei M. Eisenstein1
- Shell1
- Sinclair Oil1
- Stern, Bill, 1907-19711
- The Office of War Information Bureau of Motion Pictures1
- The Office of War Information Bureau of Motion Pictures; Samuel Spewack1
- The Radio Rogues1
- The War Department Special Service Division; The Signal Corps1
- The Wilderness Society1
- U.S. Department of the Interior1
- U.S. Park Service Department of the Interior1