| Other organizations in Ohio |
| Id | Name | Address | State | Established | Total Income |
| 1 | Sigma Alpha Epsilon Fraternity, Ohio Tau Chapter | PO BOX 42338, Cincinnati, OH 45242-0338 | OH | 1940-11 | $417,521 |
| 2 | Sigma Chi Building Co | 4695 Lake Forest Dr Ste 300, Blue Ash, OH 45242-3745 | OH | | $73,554 |
| 3 | Sigma Chi Fraternity, Zeta Psi Chapter Sigma Chi Fraternity | 2617 University Court, Cincinnati, OH 45219 | OH | 1967-02 | $285,006 |
| 4 | Sigma Nu Fraternity, Epsilon Nu | 300 Tallawanda St, Oxford, OH 45056-1413 | OH | 1967-08 | $76,105 |
| 5 | Sigma Phi Epsilon Fraternity Inc, Oh Theta Chapter | 321 Joselin Ave, Cincinnati, OH 45220-2804 | OH | 1941-01 | $279,136 |
| 6 | Silver Gloves Association Of America | 10056 County Road 18 1, Wauseon, OH 43567-9743 | OH | 1989-06 | $12,074 |
| 7 | Simon Outreach Services Inc | 2600 Navarre Ave, Oregon, OH 43616-3207 | OH | 1946-03 | $231,483 |
| 8 | Simon Roofing Inc Veba Trust, Simon James Ttee | 70 Karago Ave, Youngstown, OH 44512-5949 | OH | 2001-05 | $3,000,017 |
| 9 | Sinai Retreats | 3587 Severn Rd, Cleveland, OH 44118-1900 | OH | 2005-04 | $198,072 |
| 10 | Singleton Care Inc | 12300 Zrolka Dr, Huntsburg, OH 44046-9788 | OH | 1982-12 | $37,637 |
| 11 | Sister Cities Association Of Mansfield Ohio Inc | 30 North Diamond Street, Mansfield, OH 44902 | OH | 1990-11 | $0 |
| 12 | Sisters In Christ Chorale | PO BOX 4554, Dayton, OH 45401-4554 | OH | 2002-01 | $32,773 |
| 13 | Mercy Health - Willard Hospital Llc | 250 E Federal St Ste 301, Youngstown, OH 44503-1832 | OH | 1946-03 | $29,596,181 |
| 14 | Sisters Of St Joseph Of St Mark, United States Catholic Conference | 2300 Reno Dr, Louisville, OH 44641-8754 | OH | 1946-03 | $212,909 |
| 15 | Skeggs Foundation | PO BOX 94651, Cleveland, OH 44101-4651 | OH | 1966-08 | $81,328 |
| 16 | Skeptics & Agnostics For Christian Culture | 2700 E Main St Ste 208, Columbus, OH 43209-2536 | OH | 2001-05 | $0 |
| 17 | Skestos Family Foundation | 147 E Deshler Ave, Columbus, OH 43206-2623 | OH | 2007-09 | $300,000 |
| 18 | Sleep Resource Foundation | 234 Bradley Rd, Bay Village, OH 44140-1177 | OH | 2009-03 | $100,000 |
| 19 | Slovene Home For The Aged | 18621 Neff Rd, Cleveland, OH 44119-3018 | OH | 1964-07 | $10,628,951 |
| 20 | Slovene Home For The Aged Foundation | 18621 Neff Rd, Cleveland, OH 44119-3018 | OH | 1998-07 | $2,134,015 |
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