- MeadWestvaco (Firm)1,362
- Forest Science Laboratory (Summerville, S.C.)201
- Summerville Research Center (Summerville, S.C.)101
- West Virginia Pulp and Paper Company96
- Westvaco Experimental Forest (Georgetown, S.C.)91
- West Virginia Research Center (Rupert, W. Va.)69
- Charlottesville Research Center (Ivy, Va.)63
- Appalachian Experimental Project (Tyrone, Pa.)43
- Manteo Research Center (Manteo, N.C.)38
- Winnsboro Research Center (Winnsboro, S.C.)35
- Appalachian Forest Research Center (Rupert, W. Va.)27
- South Carolina Forest Research Center (Summerville, S.C.)21
- Hancock Research Center (Hancock, Md.)19
- Parkersburg Research Center (Parkersburg, W. Va.)15
- West Virginia Experimental Forest (Georgetown, S.C.)10
- Charlottesville Research Center (Crozet, Va.)9
- Central Forest Research Center (Wickliffe, Ky.)8
- Coudersport Research Center (Coudersport, Pa.)8
- West Virginia Pulp and Paper Company North Carolina Research Project (Manteo, N.C.)8
- Central Forest Research Center (Henderson, Tenn.)5