| Other organizations in Ohio |
| Id | Name | Address | State | Established | Total Income |
| 1 | Cleveland Njrotc Boosters | 5100 Biddulph Ave, Cleveland, OH 44144 | OH | 2005-12 | $0 |
| 2 | Cleveland Produce Project | 24915 Lakeview Dr, Bay Village, OH 44140 | OH | 1997-09 | $0 |
| 3 | Cliff Brilla Memorial Fund | 17365 Mumford Road, Burton, OH 44021 | OH | | $0 |
| 4 | Colerain Community Playground Commission | 6341 Springdale Rd, Cincinnati, OH 45247 | OH | 1997-05 | $0 |
| 5 | Columbia Township Volunteer Fire Department Bucket Brigade | 29690 St Rt 143, Albany, OH 45710 | OH | 1986-07 | $0 |
| 6 | Columbus Braves Baseball | 1860 North Star Road 39, Columbus, OH 43212 | OH | 2000-04 | $0 |
| 7 | Columbus Symphony Orchestra | 2242 Otter Ln, Dublin, OH 43016 | OH | 1984-10 | $0 |
| 8 | Communication Workers Of America | PO BOX 1051, Mentor, OH 44061 | OH | 1950-11 | $0 |
| 9 | Communication Workers Of America, Sandusky Typographical Union Local #237 - Cwa 14532 | 1206 Vine Street, Sandusky, OH 44870 | OH | 1940-06 | $0 |
| 10 | Community Cares Council Inc, Deer Park Police Activities League | 7777 Blue Ash Road, Cincinnati, OH 45236 | OH | 1997-08 | $0 |
| 11 | Community Outreach Program Effort | 353 Knollwood Court, Lancaster, OH 43130 | OH | 2000-08 | $0 |
| 12 | Community Youth Support | 306 Grant Street, Dennison, OH 44621 | OH | 2004-08 | $0 |
| 13 | Concerned Citizens For The Handicapped Inc | 193 E Main Street Box 220, Chillicothe, OH 45601 | OH | 1990-04 | $0 |
| 14 | Conneaut Schools Academic Boosters | 381 Mill St, Conneaut, OH 44030 | OH | 1986-12 | $0 |
| 15 | Conservative Legacy Foundation Inc | 7595 Montgomery Rd, Cincinnati, OH 45236 | OH | 2005-06 | $0 |
| 16 | Continental Society Daughters Of Indian Wars Inc | 3582 Greenwich Road, Norton, OH 44203 | OH | 1992-02 | $0 |
| 17 | Copley-Fairlawn Support Staff Association | 3797 Ridgewood Road, Copley, OH 44321 | OH | 2009-07 | $0 |
| 18 | Cougar Youth Football Association | Po Box 173, Newport, OH 45768 | OH | 2008-09 | $0 |
| 19 | Council On Health Information | 431 East Broad St, Columbus, OH 43215 | OH | 1998-12 | $0 |
| 20 | Creative Volunteer Solutions, Raskals | Po Box 686, Lebanon, OH 45036 | OH | 2006-07 | $0 |
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