Indiana Association of Rehabilitation Services - A statewide trade association and membership organization for community-based rehabilitation programs which provide services to people with disabilities.
http://www.inarf.org/

Make-A-Wish Foundation of Indiana - The Indiana chapter of wish-granting organization for children. Donation guide, volunteer information, and schedule of events.
http://www.makeawishindiana.org/

Indiana Astronomical Society - Information on the organization, events, light pollution, photo album and membership.
http://www.iasindy.org

Indiana University Political Science Organizations and Associations - Comprehensive list of political science organizations and associations
http://www.indiana.edu/~iupolsci/paddres/orgs.htm

19th Indiana - Company A - An organization dedicated to preserving the memories of all men who served in Company A, 19th Indiana Volunteer Infantry.
http://www.19thindiana.com/

Indiana Search and Rescue Association - Non-profit organization dedicated to Search and Rescue in Indiana. Includes membership information, calendar, news, donations, photos, and documents.
http://www.insara.org

Indiana Association of Building Officials, Inc. - A not-for-profit organization committed to the development of those charged with the life safety provision of building related codes.
http://www.iabo.com

Indiana Lions Speech and Hearing, Inc. - Organization provides evaluation services, loaner hearing aids, scholarship programs for hearing impaired students, leadership camps, and public information.
http://www.indylionsspeechhearing.com/

Indiana Organ Procurement Organization - Assists individuals and families in making the decision to donate organs and tissue to individuals in need of transplants.
http://www.iopo.org

Indiana Architectural Foundation - A non-profit organization supporting architectural education, public awareness of architecture, and preservation of Indiana's architectural heritage.
http://www.indianaarchitecturalfoundation.org

Italian Heritage Society of Indiana - Non-profit organization which welcomes all who are interested in the Italian culture. Along with many yearly activities, the Society also provides scholarships through essay competition to those who are of Italian ancestry.
http://www.italianheritage.org/

Indiana Captains Council - A player-run paintball organization committed to promoting the sport of paintball in the state of Indiana. The ICC is one of the largest paintball organizations in the country.
http://iccpaintball.com/