- MeadWestvaco (Firm)28
- North Carolina Agricultural Experiment Station16
- West Virginia Pulp and Paper Company5
- Westvaco Experimental Forest (Georgetown, S.C.)4
- Appalachian Forest Research Center (Rupert, W. Va.)2
- E. I. du Pont de Nemours & Company2
- Forest Science Laboratory (Summerville, S.C.)2
- North Carolina Cooperative Extension Service2
- Union Carbide and Carbon Corporation2
- Upchurch, Robert Phillip2
- Winnsboro Research Center (Winnsboro, S.C.)2
- Ansul Company1
- California Chemical Company1
- Central Forest Research Center (Wickliffe, Ky.)1
- Chemagro Corporation1
- Gulf Oil Corporation. Spencer Chemical Division1
- Hancock Research Center (Hancock, Md.)1
- Hercules Powder Company1
- Klingman, Glenn C.1
- Lewis, William M. (William Madison), 1921-1