Current external research partnerships
- USGS Water Science Center
- Indiana Silverjackets
- Indiana Office of Community and Rural Affairs
- Citizens Energy Group*
- Patoka Water District
- Veolia Environment Research Centers – Paris, Adelaide, and Berlin
Non-profits
- Central Indiana Land Trust Incorporated (CILTI)
- Sycamore Land Trust
- Science Education Foundation of Indiana
- Indiana State Fair
- Keep Indianapolis Beautiful (KIB)
- WFYI Public Television
- Life Science Education Center at Marian College (LSEC)
- Indiana Audubon Society
- Indiana Wildlife Federation
- Friends of White River (FOWR)
- Rotary Club of Indianapolis
Foundations
- Dr. Laura Hare Charitable Trust*
- Nina Mason Pulliam Charitable Trust*
- Eli Lilly and Company Foundation*
- Duke Energy Foundation*
- Hoover Family Foundation*
- Nicholas H. Noyes, Jr., Memorial Foundation*
- Efroymson Fund of the Central Indiana Community Foundation*
- UPS Foundation*
State and local government
- United States Geological Survey – Indiana Water Science Center
- Indiana Silverjackets
- Indiana Department of Environmental Management
- Indiana Department of Natural Resources
- Indiana State Department of Agriculture
- IDNR – Natural Resources Education Center
- Indiana State Department of Health
- Natural Resources Conservation Service
- Indiana State Museum
- City of Indianapolis - Department of Public Works – Office of Environmental Services
- City of Indianapolis, Office of Sustainability
- Indy Parks and Greenways
- Environmental Education Outreach Program
- Office of Land Stewardship
- Division of Resource Development - Park Planning and Design
- Earth Discovery Center of Eagle Creek Park
- Hamilton County Parks
- Noblesville Parks Department
- Zionsville Parks Department
- Marion, Hamilton, Boone, Hendricks County SWCD
- Marion and Boone County Health Departments
Corporations
- Dow AgroSciences*
- Eli Lilly and Company*
- IPL*
- Veolia Water Indianapolis and North America*
Universities
- Butler University
- Marian University - Nina Mason Pulliam EcoLab
- University of Wisconsin – Madison Arboretum
- Purdue University
- Indiana University
- Indiana University School of Medicine – Center for Environmental Health
- University of Indianapolis – Center for Excellence in Leadership and Learning
Schools
- Numerous IPS and Township Schools
- Indiana Charter Schools
- Indiana School for the Blind
* Denotes major past and present donor
