The encyclopedia represents a collaboration among the city’s major heritage and cultural organizations, with digital information shared from their repositories as appropriate. Partners include:
- Indianapolis Public Library
- The Indiana Album
- Indiana Historical Society
- Indiana State Library and Historical Bureau
- Center for Civic Leadership and Indianapolis Mayoral Archives (University of Indianapolis)
- Indiana Landmarks
- IUI University Library
- Indiana State Archives
- Butler University Archives
- Indiana Humanities
- Polis Center at IUI
Ownership & Governance
The Indianapolis Public Library holds the copyright to and maintains the Encyclopedia of Indianapolis in trust as a public resource.