| Other organizations in Kentucky |
| Id | Name | Address | State | Established | Total Income |
| 1 | Ohio River Basin Water Resources Association | 600 Mohegan Trail, Georgetown, KY 40324 | KY | 1989-10 | $69,287 |
| 2 | Ohio Valley Art League Inc | PO BOX 1043, Henderson, KY 42419-1043 | KY | 1992-03 | $55,575 |
| 3 | Ohio Valley Educational Foundation Inc | PO BOX 1249, Shelbyville, KY 40066-1249 | KY | 1997-01 | $165,744 |
| 4 | Ohio Valley Farm Analysis Group Inc | 3099 Zion Rd, Henderson, KY 42420-9204 | KY | 1966-03 | $113,937 |
| 5 | Ohio Valley Railroad Historical Foundation Inc | 412 East Main St, Lagrange, KY 40031 | KY | 2004-10 | $0 |
| 6 | Ohio Valley United Charities Inc | PO BOX 528, Carrollton, KY 41008-0528 | KY | 1998-10 | $158,990 |
| 7 | Oikia Usa Inc | PO BOX 263, Russelville, KY 42276-0263 | KY | 2001-07 | $1 |
| 8 | Okolona Baseball Inc, Underwood Ronnie | PO BOX 19010, Louisville, KY 40259-0010 | KY | 2002-09 | $374,570 |
| 9 | Okolona Girls Fast Pitch Softball Inc | 9311 Preston Hwy, Louisville, KY 40229-1108 | KY | 2004-03 | $113,663 |
| 10 | Okolona Soccer Club Inc | 5668 West Indian Trail, Louisville, KY 40214 | KY | 2014-01 | $32,946 |
| 11 | Okolona Womans Club | 9017 Preston Highway, Louisville, KY 40219 | KY | 1998-11 | $0 |
| 12 | Old Friends Inc | 411 Mill Rd, Midway, KY 40347-1009 | KY | 2004-03 | $1,048,944 |
| 13 | Old Kentucky Home Board Of Realtors Inc | 1058 East Flaget Avenue, Bardstown, KY 40004 | KY | 1977-11 | $86,013 |
| 14 | Old Ladies Home, Ashland Terrace | 475 South Ashland Avenue, Lexington, KY 40502-2131 | KY | 1941-01 | $2,493,081 |
| 15 | The Old Louisville Neighborhood Council Inc | 1340 South 4th St In Central Park, Louisville, KY 40208 | KY | 1984-10 | $15,068 |
| 16 | Old Louisville Neighborhood Council Inc | 1340 South 4th St In Central Park, Louisville, KY 40208 | KY | 1979-11 | $110,517 |
| 17 | Old Mill Elementary Pto | 11540 Hwy 44e, Mt Washington, KY 40047 | KY | 2006-12 | $13,349 |
| 18 | Old Pleasant Hill Cemetery Association Inc | 201 Robin Road, Princeton, KY 42445 | KY | 1972-10 | $5,616 |
| 19 | Oldenburg Housing Council Inc | 3277 Carriage Ln, Lexington, KY 40517-3802 | KY | 1980-07 | $72,354 |
| 20 | Oldham Co Historical Society Inc | 106 N 2nd St, Lagrange, KY 40031-1102 | KY | 1991-08 | $424,304 |
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