| WESTMINSTER SCHOOL INC | Oklahoma City | — | $10.9M | 4 |
| MERCY HOSPITAL TISHOMINGO | Tishomingo | E22 Health Care | $10.9M | 19 |
| MERCY HOSPITAL HEALDTON | Healdton | — | $10.8M | 13 |
| INCA COMMUNITY SERVICES INC | Tishomingo | P20Z Human Services | $10.7M | 5 |
| THE ACADEMY OF CLASSICAL CHRISTIAN STUDIES INC | Oklahoma City | B240 Education | $10.7M | 2 |
| THINK ABILITY INC | Duncan | — | $10.7M | 0 |
| RESTORE HOPE MINISTRIES INC | Tulsa | — | $10.6M | 1 |
| MERCY HOSPITAL WATONGA INC | Watonga | — | $10.6M | 19 |
| Green Shoe Foundation | Guthrie | F30 Mental Health & Crisis Intervention | $10.4M | 2 |
| SANFORD P & IRENE F BURNSTEIN FOUNDATION IRENE F BURNSTEIN CO-TRUSTEE | Tulsa | T20 Philanthropy, Voluntarism & Grantmaking Foundations | $10.4M | 0 |
| INSIGHT SCHOOL OF OKLAHOMA INC | Midwest City | B25 Education | $10.4M | 0 |
| PIVOT INC | Oklahoma City | P300 Human Services | $10.3M | 1 |
| Gatesway Foundation Inc | Broken Arrow | P820 Human Services | $10.3M | 0 |
| Southeast Oklahoma Library System | McAlester | B71Z Education | $10.2M | 0 |
| YWCA TULSA INC | Tulsa | P27Z Human Services | $10.2M | 4 |
| Heartway Corporation | Idabel | — | $10.2M | 10 |
| RIVERSPORT FOUNDATION | Oklahoma City | P20 Human Services | $10.1M | 4 |
| HARDING INDEPENDENCE CHARTER DISTRICT INC | Oklahoma City | B20 Education | $10M | 1 |
| CENTRAL OKLAHOMA HABITAT FOR HUMANITY INC | Oklahoma City | L80 Housing & Shelter | $9.9M | 5 |
| SOUTHERN OKLAHOMA MEMORIAL FOUNDATION INC | Ardmore | X99Z Religion-Related | $9.9M | 1 |
| IMPACT PRODUCTIONS INC | Tulsa | X21Z Religion-Related | $9.9M | 3 |
| FRIENDS OF OETA INC | Oklahoma City | A11 Arts, Culture & Humanities | $9.8M | 1 |
| NEW LIFE RANCH INC | Colcord | — | $9.7M | 3 |
| LIFESHARE TISSUE SERVICES INC | Oklahoma City | E65 Health Care | $9.7M | 8 |
| EL AND THELMA GAYLORD FOUNDATION | Oklahoma City | T20Z Philanthropy, Voluntarism & Grantmaking Foundations | $9.7M | 4 |
| UNIVERSITY OF CENTRAL OKLAHOMA FOUNDATION | Edmond | B43 Education | $9.6M | 0 |
| CIVIC CENTER FOUNDATION | Oklahoma City | A12 Arts, Culture & Humanities | $9.6M | 3 |
| Southwest Intermediary Finance Team Inc | Weatherford | T99 Philanthropy, Voluntarism & Grantmaking Foundations | $9.6M | 0 |
| FIRST AMERICANS MUSEUM FOUNDATION | Oklahoma City | P40 Human Services | $9.5M | 1 |
| SOUTH CENTRAL INDUSTRIES INC | Shawnee | J300 Employment | $9.5M | 1 |
| Oklahoma Secondary School Activities Association | Oklahoma City | — | $9.5M | 16 |
| TULSA COUNTRY CLUB | Tulsa | — | $9.5M | 2 |
| REACH NOW INTERNATIONAL INC | Tulsa | Q30 International, Foreign Affairs & National Security | $9.4M | 1 |
| SEASON'S HOSPICE INC (SPRINGFIELD) | Tulsa | P74 Human Services | $9.4M | 9 |
| CITY RESCUE MISSION INC | Oklahoma City | P280 Human Services | $9.3M | 2 |
| MUNICIPAL EMPLOYEES CREDIT UNION OF OKC | Oklahoma City | — | $9.2M | 3 |
| PROFESSIONAL FIREFIGHTERS OF OKLAHOMA HEALTH AND WELFARE TRUST | Oklahoma City | Y43 Mutual & Membership Benefit | $9.2M | 0 |
| OKLAHOMA BAR FOUNDATION | Oklahoma City | I80 Crime & Legal-Related | $9.1M | 1 |
| GOODWILL INDUSTRIES OF SW OK AND NTXINC | Lawton | J32Z Employment | $9M | 1 |
| Southwest Covenant Schools Inc | Yukon | B99Z Education | $8.9M | 1 |
| WILLIAMS COMPANIES FOUNDATION INC | Tulsa | T20 Philanthropy, Voluntarism & Grantmaking Foundations | $8.9M | 0 |
| CROSS TIMBERS HOSPICE INC | Ardmore | P740 Human Services | $8.9M | 5 |
| ONE Gas Inc NBU VEBA Master Trust | Tulsa | — | $8.8M | 1 |
| RIVER PARKS AUTHORITY | Tulsa | N023 Recreation & Sports | $8.8M | 1 |
| THE PROVISION GROUP INC | Tulsa | X21Z Religion-Related | $8.7M | 2 |
| J A Leta M Chapman TR 10267 486001AC4 | Tulsa | T900 Philanthropy, Voluntarism & Grantmaking Foundations | $8.7M | 1 |
| Tulsa Ballet Theatre Inc | Tulsa | A630 Arts, Culture & Humanities | $8.7M | 3 |
| THE SPERO PROJECT INC | Oklahoma City | J20 Employment | $8.6M | 2 |
| JEROME WESTHEIMER FAMILY FOUNDATION | Ardmore | T20 Philanthropy, Voluntarism & Grantmaking Foundations | $8.6M | 0 |
| PRESBYTERIAN HEALTH FOUNDATION | Oklahoma City | T20 Philanthropy, Voluntarism & Grantmaking Foundations | $8.6M | 3 |
