| CENTRAL STATE COMMUNITY SERVICES | Tulsa | P73Z Human Services | $19.8M | 3 |
| KIRKPATRICK FAMILY AFFILIATED FUND OF | Oklahoma City | T11 Philanthropy, Voluntarism & Grantmaking Foundations | $19.4M | 2 |
| CROSSROADS YOUTH & FAMILY | Norman | P30 Human Services | $19.4M | 1 |
| THE PHILBROOK MUSEUM OF ART INC | Tulsa | A510 Arts, Culture & Humanities | $19.4M | 4 |
| OKLAHOMA PROPERTY AND CASUALTY INSURANCE | Oklahoma City | — | $19.4M | 0 |
| United Way of Central Oklahoma Inc | Oklahoma City | T70Z Philanthropy, Voluntarism & Grantmaking Foundations | $19.2M | 5 |
| OSMA HEALTH - HEALTH PLAN | Oklahoma City | Y43 Mutual & Membership Benefit | $18.6M | 12 |
| FAMILY HEALTH CENTER OF SOUTHERN | Tishomingo | E30 Health Care | $18.6M | 10 |
| NATIONAL LIVESTOCK CREDIT | Oklahoma City | — | $18.4M | 5 |
| GREAT SALT PLAINS | Cherokee | E32 Health Care | $18.3M | 11 |
| Catholic Charities of the Archdiocese of | Oklahoma City | — | $18.2M | 2 |
| OKLAHOMA EDUCATORS CREDIT UNION | Oklahoma City | — | $17.9M | 3 |
| BANCFIRST CORPORATION EMPLOYEES BENEFIT TRUST | Oklahoma City | — | $17.7M | 0 |
| PLUMBERS AND PIPEFITTERS LOCAL UNION NO | Oklahoma City | — | $17.4M | 3 |
| OKLAHOMA BAPTIST HOMES FOR CHILDREN INC | Oklahoma City | P730 Human Services | $17.2M | 6 |
| TULSA HONOR ACADEMY INC | Tulsa | B29 Education | $17.1M | 1 |
| Hearts for Hearing Foundation | Oklahoma City | P87 Human Services | $16.8M | 7 |
| GREATER OKLAHOMA CITY CHAMBER OF | Oklahoma City | — | $16.8M | 9 |
| GLENN FOUNDATION FOR MEDICAL | Edmond | H99Z Medical Research | $16.8M | 1 |
| HOME OF HOPE INC | Vinita | P820 Human Services | $16.6M | 0 |
| TULSA CHRISTIAN EDUCATION CORPORATION | Tulsa | B21Z Education | $16.4M | 2 |
| Laureate Institute for Brain Research Inc | Tulsa | V23Z Social Science | $16.1M | 8 |
| TULSA FIREFIGHTERS HEALTH & WELFARE | Jay | Y44 Mutual & Membership Benefit | $16.1M | 0 |
| OKLAHOMA CHRISTIAN SCHOOLS INC | Edmond | — | $16M | 1 |
| THE HOMELESS ALLIANCE INC | Oklahoma City | L41 Housing & Shelter | $15.7M | 1 |
| ST SIMEON'S EPISCOPAL HOME INC | Tulsa | P750 Human Services | $15.6M | 7 |
| COMMUNITY HIGHERED INSTITUTE | Tulsa | B42 Education | $15.3M | 3 |
| Center of Family Love | Okarche | P82Z Human Services | $15.3M | 2 |
| McCall's Community Homes Inc | Ada | L20 Housing & Shelter | $15.2M | 3 |
| AMERICAN ASSOCIATION OF PETROLEUM | Tulsa | — | $15.1M | 4 |
| MERCY HOSPITAL KINGFISHER INC | Kingfisher | — | $15M | 16 |
| PIPELINERS LOCAL UNION 798 | Tulsa | — | $14.9M | 37 |
| GOOD SHEPHERD COMMUNITY CLINICINC | Ardmore | E32 Health Care | $14.9M | 7 |
| COMMUNITY HEALTH CONNECTION INC | Tulsa | E60 Health Care | $14.8M | 11 |
| COMMUNITY ACTION RESOURCE AND DEVELOPMEN | Claremore | — | $14.8M | 2 |
| COMMUNITY ACTION DEVELOPMENT CORPORATION | Frederick | — | $14.7M | 2 |
| TULSA HABITAT FOR HUMANITY INC | Tulsa | L20Z Housing & Shelter | $14.5M | 3 |
| CIRCLE OF CARE INC | Oklahoma City | P30 Human Services | $14.5M | 2 |
| PEOPLE INC OF SEQUOYAH COUNTY | Sallisaw | P82Z Human Services | $14.4M | 0 |
| EAST CENTRAL UNIVERSITY FOUNDATION INC | Ada | — | $14.4M | 4 |
| OSTEOPATHIC MEDICAL EDUCATION CONSORTIUM | Tulsa | B122 Education | $14.3M | 0 |
| TULSA ECONOMIC DEVELOPMENT CORPORATION | Tulsa | S430 Community Improvement & Capacity Building | $14.3M | 1 |
| THE ALLIANCE FOR ECONOMIC DEVELOPMENT | Oklahoma City | S20 Community Improvement & Capacity Building | $14.1M | 5 |
| NATIONAL REINING HORSE ASSOCIATION | Oklahoma City | K26 Food, Agriculture & Nutrition | $13.9M | 4 |
| Tulsa Psychiatric Center | Tulsa | — | $13.9M | 0 |
| BUTTERFIELD MEMORIAL FOUNDATION | Oklahoma City | E220 Health Care | $13.9M | 3 |
| Lutheran Senior Citizens Inc | Oklahoma City | L22 Housing & Shelter | $13.9M | 4 |
| CENTRAL OKLAHOMA WORKFORCE INVESTMENT BOARD INC | Oklahoma City | S30 Community Improvement & Capacity Building | $13.6M | 1 |
| Land Legacy Inc | Tulsa | C34 Environment | $13.5M | 1 |
| Tulsa Library Trust | Tulsa | B117 Education | $13.4M | 1 |
