| Other organizations in North Carolina |
| Id | Name | Address | State | Established | Total Income |
| 1 | Oak Ridge Foundation Incorporated | 2309 Oak Ridge Rd, Oak Ridge, NC 27310-9701 | NC | 1965-05 | $3,533,141 |
| 2 | Oak Ridge Military Academy Inc | PO BOX 498, Oak Ridge, NC 27310-0498 | NC | 1999-12 | $2,577,132 |
| 3 | Oak Ridge Swim Club Inc | PO BOX 442, Oak Ridge, NC 27310-0442 | NC | 1972-10 | $293,249 |
| 4 | Oak Ridge Youth Association | PO BOX 370, Oak Ridge, NC 27310-0370 | NC | 1990-05 | $112,770 |
| 5 | Oakboro 4th Of July Celebration Inc | PO BOX 550, Oakboro, NC 28129-0550 | NC | 2008-06 | $100,046 |
| 6 | Oakboro Regional Historical Foundation Inc | Po Box 565, Oakboro, NC 28129 | NC | 1999-08 | $0 |
| 7 | Oakboro Swim Club Inc | PO BOX 93, Oakboro, NC 28129-0093 | NC | 1976-11 | $24,868 |
| 8 | Oakboro Youth Athletic Club Inc | PO BOX 201, Oakboro, NC 28129-0201 | NC | 1977-05 | $18,983 |
| 9 | Oakdale Cemetery Company | 520 N 15th St, Wilmington, NC 28401-3817 | NC | 1947-06 | $1,258,442 |
| 10 | Oakland Volunteer Fire Department Inc | 680 Oakland Church Rd, Princeton, NC 27569-7165 | NC | 1994-02 | $227,706 |
| 11 | Oakview Estates Recreation Club Inc | 3519 Imperial Dr, High Point, NC 27265-1827 | NC | 1966-08 | $41,118 |
| 12 | Oakwoods Country Club | PO BOX 994, Wilkesboro, NC 28697-0994 | NC | 1955-01 | $1,009,784 |
| 13 | Oar Foundation Inc | PO BOX 1147, Mocksville, NC 27028-1147 | NC | 2014-04 | $71,143 |
| 14 | Oasis Ministry | 6420 Rea Rd 301, Charlotte, NC 28277-2528 | NC | 2003-01 | $352,352 |
| 15 | Oasis Total Development | PO BOX 2686, Matthews, NC 28106-2686 | NC | 2001-05 | $13,052 |
| 16 | Obed Project Inc | 225 Wood Lake Dr, Monroe, NC 28110-7155 | NC | 2000-11 | $213,169 |
| 17 | Obedient Connected Ministry | 1709 Chapel Hill Rd, Durham, NC 27707-1103 | NC | 2006-09 | $2,000 |
| 18 | Obx Aquatics Inc | PO BOX 1028, Nags Head, NC 27959-1028 | NC | 2005-10 | $53,278 |
| 19 | Obx Storm Inc | P O Box 2229, Kitty Hawk, NC 27949 | NC | 2002-08 | $76,607 |
| 20 | Occaneechi Band Of The Saponi Nation | PO BOX 356, Mebane, NC 27302 | NC | 1996-08 | $0 |
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