- United States. Forest Service109
- United States. Forest Service. Northern Region. State & Private Forestry83
- Oregon State University. Extension Service54
- United States. Forest Service. Northern Region40
- United States. Forest Service. Pacific Northwest Region. Thirty Year Club31
- Mcgregor, Mark D.25
- Forest Products Laboratory (U.S.)23
- Cross, Timothy L.22
- James, Robert L.21
- Oregon. Employment Division20
- Betts, Harold S. (Harold Scofield)19
- Gibson, Kenneth E.19
- Pacific Marine Fisheries Commission17
- Dooling, Oscar J.16
- Seavert, Clark F.15
- Bousfield, Wayne E.14
- Oakes, Robert D.14
- Tunnock, Scott13
- Cordero, Johnny C.12
- Hamel, Dennis R.12