| Other organizations in Ohio |
| Id | Name | Address | State | Established | Total Income |
| 1 | Ohio Valley Section Of The American Association For Clinical Chemistry | 825 N 4th Street Unit 406, Columbus, OH 43215 | OH | 1994-06 | $0 |
| 2 | Ohio Valley Vipers Inc | 110 Pinecrest Dr, St Clairsville, OH 43950 | OH | 2012-04 | $0 |
| 3 | Ohio Warrior Basketball | 901 Taurus Avenue, Gahanna, OH 43230 | OH | 2009-12 | $0 |
| 4 | Ohio Wetlands Association Inc | Po Box 3, Amherst, OH 44001 | OH | 2012-12 | $0 |
| 5 | Ohio World Organization Of China Painters | 2395 Willowside Lane, Grove City, OH 43123 | OH | 2013-02 | $0 |
| 6 | Ohio Xstreme Softball Inc | 724 Edgewood Ave Sw, Massillon, OH 44646 | OH | 2010-08 | $0 |
| 7 | Ohio Youth Connection | 3956 Brown Park Drive Suite B, Hilliard, OH 43026 | OH | 2013-01 | $0 |
| 8 | Ohio Youth Sports Association Inc | 1846 Parkhill Dr, Dayton, OH 45406 | OH | 2002-01 | $0 |
| 9 | Old Millstream Ringers Inc | 200 Tecumseh Drive, Findlay, OH 45840 | OH | 2001-12 | $0 |
| 10 | Olentangy Area Seniors Club | 519 Commons Drive, Powell, OH 43065-7118 | OH | 2005-05 | $0 |
| 11 | Olentangy River Valley Association Inc | PO BOX 411, Delaware, OH 43015 | OH | 1992-03 | $0 |
| 12 | Olin Covered Bridge Museum Inc | 1918 Dewey Road, Ashtabula, OH 44004 | OH | 2003-02 | $0 |
| 13 | Olive Branch Land Company | 2523 Leetonia Road, Leetonia, OH 44431 | OH | 2013-02 | $0 |
| 14 | Ollie Schmitt Foundation For Scholarships And Assistance For | 3621 Glenway Avenue, Cincinnati, OH 45211 | OH | 2006-05 | $0 |
| 15 | Olmsted Falls Kiwanis Student Loan And Scholarship Fund Inc | PO BOX 38191, Olmsted Falls, OH 44138 | OH | 1986-12 | $0 |
| 16 | Olympic Soccer Club Inc | 30700 Center Ridge Road, Westlake, OH 44145 | OH | 2012-03 | $0 |
| 17 | Omega Psi Phi Fraternity Inc Toledo Chapter Xi Tau | PO BOX 864, Maumee, OH 43537 | OH | 2010-06 | $0 |
| 18 | Omega Xi Of Kappa Delta Education Fund | 4188 Ashley Oaks Drive, Cincinnati, OH 45227 | OH | 1977-05 | $0 |
| 19 | One In Christ Church Of Cleveland Inc | 4070 Stilmore Rd, South Euclid, OH 44121-2615 | OH | 2012-02 | $0 |
| 20 | One Journey | 2805 Copland Blvd, Toledo, OH 43614 | OH | 2006-10 | $0 |
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