* United States Department of Agriculture (USDA), Forest Service, Forest Inventory and Analysis (FIA) program:

* USDA, Forest Service, Forest Health Monitoring (FHM) Program:
* USDA, Forest Service, Forest Health Protection (FHP):
* National Park Service, Inventory & Monitoring Program:
* Natural Resources Canada, National Forest Inventory:
* United Nations, Food and Agriculture Organization, North American Forest Commission, Study Group on Inventory and Monitoring:
* The Montreal Process Working Group (Santiago Declaration: criteria & indicators of sustainable forests):