| Other organizations in Indiana |
| Id | Name | Address | State | Established | Total Income |
| 1 | Off-Main Street Players Inc | 280 Governors Lane, Zionsville, IN 46077 | IN | 2010-02 | $0 |
| 2 | Ohio County Elementary Middle Schoo L Pto | 436 S Mulberry St, Rising Sun, IN 47040 | IN | 2011-08 | $0 |
| 3 | Ohio Indiana Northern Kentucky Regional Productions Inc | 10858 Gatch Hill Road, Aurora, IN 47001 | IN | 2000-04 | $0 |
| 4 | Ohio River Valley Folk Society Inc | 1232 W Main St, Madison, IN 47250-3016 | IN | 2012-06 | $0 |
| 5 | Ohio Township Public Library Friends Inc, Otpl Friends | Po Box 723, Newburgh, IN 47629-0723 | IN | 1994-11 | $0 |
| 6 | Ohio Valley Choral Festival Association | 204 Cedar Avenue, Vevay, IN 47043 | IN | 1987-12 | $0 |
| 7 | Ohio Valley Search And Rescue Dog Association | Po Box 2486, Evansville, IN 47728 | IN | 1995-03 | $0 |
| 8 | Ol Rugged Fellowship Church Inc | 3521 East Jackson Blvd, Elkhart, IN 46516 | IN | 2013-01 | $0 |
| 9 | Old Dam Community Band | 5211 State Road 261, Newburgh, IN 47630 | IN | 2001-03 | $0 |
| 10 | Old Dillsboro Public Cemetery Inc | 13293 Sunset Drive, Dillsboro, IN 47018 | IN | 2009-03 | $0 |
| 11 | Old Evansville Historic Association | Po Box 1012, Evansville, IN 47706-1012 | IN | 2009-07 | $0 |
| 12 | Old Homestead Preservation Society Inc | Po Box 1518, Crown Point, IN 46308-1518 | IN | 2004-10 | $0 |
| 13 | Old Oaklandon Cemetery Association, Harry E Gray | 6407 Winona Dr, Indianapolis, IN 46236-7512 | IN | 2013-03 | $14,840 |
| 14 | Old Pleasant Hill Cemetary Inc | 7956 Pine Lake Road, Indianapolis, IN 46268 | IN | 2006-10 | $0 |
| 15 | Old Rockport Inc C/O Jim Hancock | 416 Main Street, Rockport, IN 47635 | IN | 1992-12 | $0 |
| 16 | Old Sheriffs House Foundation Incor | Po Box 364, Crown Point, IN 46308 | IN | 1993-07 | $0 |
| 17 | Old Tippecanoe Quilt Guild | Po Box 707, Lafayette, IN 47902 | IN | 1988-02 | $0 |
| 18 | Olympian Quarterback Club | 230 S Marr Rd, Columbus, IN 47201 | IN | 2002-03 | $0 |
| 19 | On Gods Team Ministries Inc | 4344 N 100 W, La Porte, IN 46350-8712 | IN | 2003-09 | $0 |
| 20 | One Dog At A Time Rescue | Po Box 76, Warsaw, IN 46581 | IN | 2011-09 | $0 |
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