| Name | Deductibility Code |
| 2-1-1 of Southeastern Oklahoma Inc. | -- |
| 22nd Judicial District Casa Inc. | -- |
| A C T II Inc. | -- |
| Aaj Ministries | -- |
| Ada Area Community Emergency Services Inc. | -- |
| Ada Area Council on Alcoholism Inc. | -- |
| Ada Arts & Heritage Authority | -- |
| Ada Arts and Humanities Council Inc. | -- |
| Ada Boys Club Inc. | -- |
| Ada City Schools Foundation Inc. | -- |
| Ada Jobs Foundation | -- |
| Ada Library Friends Inc. | -- |
| Ada Main Street Inc. | -- |
| Ada Recycling Coalition Incorporated | -- |
| Ada Regional United Way Inc. | -- |
| Ada Senior Care Center Inc. | -- |
| Ada Truth Ministries Inc. | -- |
| Adas Spirit of Christmas Corporation | -- |
| All Nations Annual Pow Wow of Ada Society | -- |
| Area Youth Shelter Inc. | -- |
| Around the World for Jesus Inc. | -- |
| Big Five Ada Housing Inc. | -- |
| Box X Cemetery Association | 6 |
| Bridge Builders for the Cross Inc. | -- |
| Byng Excellence in Education Foundation | -- |
| Carter Family Cemetery Fund | 6 |
| Chickasaw Foundation | -- |
| Chickasaw Nation Boys and Girls Club Inc. | -- |
| Community Strategies Inc. | -- |
| Compassion Outreach Center Inc. | -- |
| Counseling Ministries International Inc. | -- |
| Cowboy Crisis Fund | -- |
| Eagleflight Ministries | -- |
| East Central Alumni Student Loan Fund Inc. | -- |
| East Central Oklahoma Blood | -- |
| East Central University Alumni Association Inc. | -- |
| East Central University Foundation Inc. | -- |
| Family Crisis Center Inc. | -- |
| First Night Ada Inc. | -- |
| First United Methodist Church of Ada Foundation | -- |
| Freedom Center of Ada Inc. | -- |
| Happyland Volunteer Firefighters Association | -- |
| House of Hope Pregnancy Care Center | -- |
| John Boyce McKeel & Ayleene R McKeel Charitable Tr | -- |
| Kiwanis Foundation of Ada Inc. | -- |
| Langston University Agricultural Alumni Association | -- |
| Lightning Ridge Cemetery Association | 6 |
| Malawi Orphan Ministries | -- |
| Matthew 25 Mission of Ada Inc. | -- |
| McCalls Apartments Inc. | -- |
| McCalls Chapel School Endowment Trust of 1993 | -- |
| McCalls Chapel School Inc. | -- |
| McCalls Community Services Inc. | -- |
| McCalls Supportive Living Inc. | -- |
| Mid-America High School Girls Basketball Tournament Inc. | -- |
| Neighbors in Economic & Educational Development Inc. | -- |
| New Horizons Unlimited Sheltered Workshop and Work Activity Center | -- |
| Past Foundation Inc. | -- |
| Pet and Animal Care Inc. | -- |
| Pontotoc Animal Welfare Society | -- |
| Pontotoc County Literacy Coalition | -- |
| Rural Drug Courts of America Inc. | -- |
| S C Boswell Memorial Charity Tr | -- |
| Sav-M-All Horse and Mule Rescue Association | -- |
| Sciences and Natural Resources Foundation of Oklahoma | -- |
| Social Services Foundation of Southern Oklahoma Inc. | -- |
| South Central Oklahoma Christian Broadcasting Inc. | -- |
| Teaching Early American Culture & History Foundation | -- |
| Tisha Todd Ministries | -- |
| Total Learning Center | -- |
| Tri-County Indian Nations C D C | -- |
| United Campus Ministry | -- |
| Valley View Foundation Inc. | -- |
| Valley View Regional Hospital | -- |
| Vanoss Education Enrichment Foundation Inc. | -- |
| Vanoss Volunteer Fire Deptartment Association | -- |
| Walker Museum of Indian Culture Inc. | -- |
| Woodbrook Estates Homeowners Association | -- |
| Woodstone Ministries Incorporated | -- |