- American Forest & Paper Association
- Defenders of Property Rights
- Dovetail Partners Inc.
- Evergreen Magazine
- Forest Inventory & Analysis
- Forest Service – Forest Products Lab
- Forest Service Home Page
- Forest Service Research
- North American Forest Foundation
- National Wild Turkey Federation
- National Wilderness Institute
- Project Learning Tree
- Save America’s Forests
- Sustainable Hardwoods (AHEC)
- Temperate Forest Foundation
