| Other organizations in Ohio |
| Id | Name | Address | State | Established | Total Income |
| 1 | International Order Of The Rainbow Girls, Ohio Valley Rainbow Assembly #209 | 712 Boyd Ave, West Union, OH 45693 | OH | 1942-07 | $0 |
| 2 | International Reading Association Inc | 1615 Troy Urbana Road, Troy, OH 45373 | OH | 1965-05 | $0 |
| 3 | International Reading Association Inc | 863 Meadowood Boulevard, Madison, OH 44057 | OH | 1965-05 | $0 |
| 4 | International Reading Association Inc | Po Box 625, Troy, OH 45373 | OH | 1965-05 | $0 |
| 5 | International Reading Association Inc, International Reading Association Inc Euclid Council Euclid Council International Reading Associatoin | 24401 Effingham Blvd, Euclid, OH 44117 | OH | 1965-05 | $0 |
| 6 | International Union Of Bricklayers & Allied Craftworkers | 69400 Williams Rd, St Clairsville, OH 43950 | OH | 1940-09 | $2,487 |
| 7 | International Union United Auto Aerospace & Agric Workers Of Amer, Decatur Bartholomew Shelby County Cap | 1691 Woodlands Drive, Maumee, OH 43537 | OH | 1941-06 | $0 |
| 8 | International Union United Auto Aerospace & Agricultural Workers | P O Box 369, Neapolis, OH 43547 | OH | 1941-01 | $0 |
| 9 | International Union United Auto Aerospace & Agricultural Workers, Starke Marshall Kosciusko Joint County Cap Council None | 1691 Woodlands Drive, Maumee, OH 43537 | OH | 1941-06 | $0 |
| 10 | International Union United Auto Aerospace & Agriculture Workers | 1691 Woodlands Drive, Maumee, OH 43537 | OH | 1941-06 | $0 |
| 11 | Interstate River Consortium | 1981 Gadwell Dr, Springdale, OH 45246 | OH | 2004-11 | $0 |
| 12 | Iota Phi Lambda Sorority Inc | 522 W Midlothian, Youngstown, OH 44511 | OH | 1974-08 | $0 |
| 13 | Iota Sigma Pi, Fluorine Chapter | 56 W Case Drive, Hudson, OH 44236 | OH | 1952-08 | $0 |
| 14 | Iota Sigma Pi, Members At Large | 401 College Ave, Ashland, OH 44805 | OH | 1952-08 | $0 |
| 15 | Iota Sigma Pi, Radium Chapter | 9555 Plainfield Road, Blue Ash, OH 45236 | OH | 1952-08 | $0 |
| 16 | Iron Workers Labor Management Cooperation Committee Inc | 1845 Collingwood Blvd, Toledo, OH 43604 | OH | 1993-12 | $0 |
| 17 | Ironton Education Association | 333 County Road 1a, Ironton, OH 45638 | OH | 2009-02 | $0 |
| 18 | Ironton Garden Club | 1206 Penobscot Trail, Ironton, OH 45638 | OH | | $0 |
| 19 | Ironton Support Staff Association | 2623 S 8th St, Ironton, OH 45638 | OH | 2009-05 | $0 |
| 20 | Isa-The Instrumentation Systems And Automation Society, Isa International Society Of Automation | 998 Timber Trail, Cincinnati, OH 45224 | OH | 1982-09 | $0 |
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