Dayton Audubon Society
- Introduction to the society with membership details and birding guide.
- http://www.dayton.net/audubon/

ERAtech Environmental Inc.
- A full service environmental, health and safety consulting firm.
- http://www.eratech.com/EEI/

Miami Valley Astronomical Society
- Dedicated to furthering the knowledge and enjoyment of Astronomy in the Dayton area.
- http://www.mvas.org/

Tecumseh Group of Sierra Club
- Club formed to protect the natural heritage for this and future generations covers nine counties in western Ohio.
- http://www.ohio.sierraclub.org/tecumseh/

Aullwood Audubon Center & Farm
- An environmental education center promoting the protection of birds and other wildlife.
- http://aullwood.center.audubon.org/