| Other organizations in Ohio |
| Id | Name | Address | State | Established | Total Income |
| 1 | Washington County Farm Bureau Inc | 100 Colonel Dr, Barnesville, OH 43713-9143 | OH | 1961-03 | $134,505 |
| 2 | Washington Delta Gamma House Association Inc | 3250 Riverside Dr, Upper Arlngtn, OH 43221-1725 | OH | 2001-06 | $488,417 |
| 3 | Washington Electric Cooperative Inc | 440 Highland Ridge Rd, Marietta, OH 45750-5430 | OH | 1942-10 | $17,323,685 |
| 4 | Washington Elementary Pto | 151 Elmer St, Tiffin, OH 44883 | OH | 2009-02 | $0 |
| 5 | Washington Square Housing Development Corporation | 6434 E Main St Ste 203, Reynoldsburg, OH 43068-7300 | OH | 1979-09 | $958,287 |
| 6 | Washington State Community College Foundation | 710 Colegate Dr, Marietta, OH 45750-9299 | OH | 2003-05 | $353,207 |
| 7 | Washnew Development Corp | 6434 E Main St Ste 203, Reynoldsburg, OH 43068-7300 | OH | 1989-10 | $173,690 |
| 8 | Wasmver Development Corp | 6434 E Main St Ste 203, Reynoldsburg, OH 43068-7300 | OH | 1989-11 | $134,983 |
| 9 | Wassenberg Art Center Association | 214 S Washington St, Van Wert, OH 45891-1941 | OH | 1983-04 | $132,870 |
| 10 | Wasserstrom Foundation | 477 S Front St, Columbus, OH 43215-5625 | OH | 1963-11 | $731,924 |
| 11 | Watchman John 103 Inc | 2125 W 5th Ave, Columbus, OH 43212-1903 | OH | 2003-06 | $0 |
| 12 | Water For Ishmael | 3925 W Central Ave, Toledo, OH 43606-2766 | OH | 2008-01 | $210,108 |
| 13 | Water Management Association Of Ohio | 8440 East Washington Street 206, Chagrin Falls, OH 44023-4512 | OH | 1973-02 | $185,676 |
| 14 | Water Resources Foundation Of Ohio | 8440 East Washington Street 206, Chagrin Falls, OH 44023-4512 | OH | 1986-06 | $13,956 |
| 15 | Waterfire Columbus | 929 Harrison Avenue, Columbus, OH 43215-1346 | OH | 2005-12 | $224,833 |
| 16 | Waterford Water & Sewer Association Inc | PO BOX 118, Waterford, OH 45786-0118 | OH | 1972-04 | $185,863 |
| 17 | Waterview Of Mill Run Inc | 45 North 4th Street No 200, Columbus, OH 43215-3602 | OH | 1993-01 | $1,500 |
| 18 | Watkins Memorial Athletic Association Inc | 8868 Watkins Rd Sw, Pataskala, OH 43062-9053 | OH | 1995-01 | $678,465 |
| 19 | Watson U N I T E | 515 Marion Ave Nw, Massillon, OH 44646 | OH | 1976-03 | $18,435 |
| 20 | Wauseon Area Foundation | 421 Independence Dr, Napoleon, OH 43545-9678 | OH | 1998-12 | $99,278 |
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