| Other organizations in Ohio |
| Id | Name | Address | State | Established | Total Income |
| 1 | Conotton Valley Teachers Association | 6669 Echo Lake Road, New Philadelphia, OH 44663 | OH | 1988-11 | $0 |
| 2 | Constellation Schools Foundation | 5730 Broadview Road, Parma, OH 44134 | OH | 2014-04 | $0 |
| 3 | Construction Trade Resources | 9289 Province Ln, Brecksville, OH 44141 | OH | | $0 |
| 4 | Continental Education Association | 5211 State Route 634, Continental, OH 45831 | OH | 2009-03 | $0 |
| 5 | Continental Society Daughters Of Indian Wars Inc | 4773 Jupiter Rd, Uniontown, OH 44685-9582 | OH | 1992-02 | $0 |
| 6 | Cooper Ridge Civic Association | 2725 Shady Ridge, Columbus, OH 43231 | OH | 1989-08 | $0 |
| 7 | Copley United Methodist Church | 1518 S Cleveland Massillon Rd, Copley, OH 44321-1908 | OH | 1974-10 | $0 |
| 8 | Cornerstone Housing Corporation | 1015 E Main Street, Columbus, OH 43205 | OH | 1981-12 | $0 |
| 9 | Corsica Ministries | 519 E High St, Findlay, OH 45840 | OH | | $0 |
| 10 | Corvettes Of Hamilton | Po Box 102, Hamilton, OH 45012 | OH | 1981-04 | $6,516 |
| 11 | Corvettes Of Lancaster | 222 S Broad St, Lancaster, OH 43130 | OH | | $0 |
| 12 | Cory Rawson Support Staff Union Local No 6356 | 3930 Cr 26, Rawson, OH 45881 | OH | | $0 |
| 13 | Coshocton Business And Professional Womens Club Of Coshocton Ohio | Po Box 656, Coshocton, OH 43812 | OH | 1984-12 | $0 |
| 14 | Cottrill-Lippert Charitable Remainder Tr, Lippert Leslie R Ttee | 306 Dayton St, Yellow Spgs, OH 45387-1757 | OH | | $0 |
| 15 | Council Of Friends Groups Of Akron- Summit County Public Library Inc | 1187 Copley Roacd, Akron, OH 44320-2767 | OH | 1993-07 | $0 |
| 16 | Council Of Friends Groups Of Akron- Summit County Public Library Inc | 144 S Cleveland Avenue, Mogadore, OH 44260 | OH | 1993-07 | $0 |
| 17 | Council Of Friends Groups Of Akron- Summit County Public Library Inc | 9458 Old 8 Road, Northfield, OH 44067 | OH | 1993-07 | $0 |
| 18 | Council Of Friends Groups Of Akron- Summit County Public Library Inc | 4046 Massillon Road, Uniontown, OH 44685 | OH | 1993-07 | $0 |
| 19 | Council Of Friends Groups Of Akron- Summit County Public Library Inc | 969 Kenmore Blvd, Akron, OH 44314 | OH | 1993-07 | $0 |
| 20 | Council Of Friends Groups Of Akron- Summit County Public Library Inc | 1486 Aster Ave, Akron, OH 44301 | OH | 1993-07 | $0 |
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