Federal

• Department of the Interior (DOI)
• U.S. Geological Survey (USGS)
• USGS Biological Resources Division (BRD)
• USGS Southwest Biological Science Center (SBSC)
• USGS Colorado Plateau Research Station
• USGS Canyonlands Research Station
• National GAP Analysis Program
• National Biological Information Infrastructure (NBII)
• Federal Geographic Data Committee (FGDC)
• FGDC Data Clearinghouse Site
• National Park Service (NPS)
• NPS Sonoran Desert Network (SDN)
• Bureau of Land Management (BLM)
• U.S. Forest Service (USFS)
• USGS Bird Banding Laboratory, Patuxent
• Cooperative Ecosystems Studies Units

State and Local

• Arizona Geographic Information Council (AGIC)
• Arizona State Land Department
• Arizona Land Resources Information Service (ALRIS)
• Pima County Sonoran Desert Conservation Plan
• City of Tucson, Arizona

University

• University of Arizona
• U.A. Advanced Resource Technology Group
• U.A. School of Renewable Natural Resources
• Arizona State University
• Northern Arizona University
• University of California, Santa Barbara - Alexandria Digital Library
• University of South Carolina - GIS

Non-Government Agencies

• National Audubon Society
• Tucson Audubon Society
• The Nature Conservancy
• The Nature Conservancy of Arizona
• Environmental Systems Research Institute (ESRI)
• ESRI User's Conference Proceedings