| Shalom Ministries International | Dublin | X21 Religion-Related | $19.9M | 5 |
| National Board of Boiler and Pressure Vessel Inspectors | Columbus | — | $19.8M | 14 |
| DARKE RURAL ELECTRIC COOPERATIVE INC | Greenville | — | $19.7M | 15 |
| GENTLEBROOK INC | Hartville | P730 Human Services | $19.7M | 6 |
| TCN BEHAVIORAL HEALTH SERVICES INC | Fairborn | F20Z Mental Health & Crisis Intervention | $19.7M | 8 |
| ALTA CARE GROUP INC | Youngstown | F600 Mental Health & Crisis Intervention | $19.7M | 4 |
| SHAWNEE MENTAL HEALTH CENTER INC | Portsmouth | — | $19.6M | 11 |
| One Person One Vote | Columbus | — | $19.6M | 0 |
| ST VINCENT DE PAUL COMMUNITY PHARMACY OF CINCINNATI | Cincinnati | P60 Human Services | $19.6M | 5 |
| COUNCIL ON RURAL SERVICE PROGRAMS INC | Piqua | — | $19.5M | 2 |
| HNHF Realty Collaborative co Luke Brown | Columbus | L25 Housing & Shelter | $19.5M | 0 |
| URBAN COMMUNITY SCHOOL | Cleveland | — | $19.5M | 1 |
| P S E CREDIT UNION INC | Parma | — | $19.5M | 3 |
| THE BROCKER FOUNDATION INC | Austintown | T22 Philanthropy, Voluntarism & Grantmaking Foundations | $19.5M | 0 |
| STATE POWER FUND | Youngstown | P20 Human Services | $19.5M | 7 |
| The Scripps Howard Foundation | Cincinnati | T22 Philanthropy, Voluntarism & Grantmaking Foundations | $19.5M | 2 |
| SIEMER INSTITUTE | Columbus | T11 Philanthropy, Voluntarism & Grantmaking Foundations | $19.4M | 3 |
| COMMUNITY HOUSING NETWORK INC | Columbus | L210 Housing & Shelter | $19.4M | 8 |
| OHIO FARM BUREAU FEDERATION | Columbus | — | $19.3M | 39 |
| METRO EARLY COLLEGE HIGH SCHOOL | Columbus | B25 Education | $19.3M | 0 |
| SPRING GROVE CEMETERY AND ARBORETUM | Cincinnati | — | $19.3M | 4 |
| THE JOSEPH AND FLORENCE MANDEL FAMILY- MICHELE M AND LAWRENCE R BEYER FAMILY FUND | Cleveland | T50 Philanthropy, Voluntarism & Grantmaking Foundations | $19.2M | 0 |
| LifeCenter Organ Donor Network | Cincinnati | — | $19.2M | 8 |
| SMILE Payee Services Inc | Euclid | P20 Human Services | $19.2M | 1 |
| PROMEDICA MONROE PHYSICIANS | Toledo | E30 Health Care | $19.1M | 12 |
| THE JOSEPH AND FLORENCE MANDEL FAMILY- PENNI M AND STEPHEN J WEINBERG FAMILY FUND | Cleveland | T50 Philanthropy, Voluntarism & Grantmaking Foundations | $19.1M | 0 |
| SOUTH COMMUNITY INC | Dayton | E22Z Health Care | $19M | 10 |
| BOYS & GIRLS CLUBS OF GREATER CINCINNATI | Cincinnati | — | $19M | 1 |
| Ohio Access to Justice Foundation | Columbus | I80 Crime & Legal-Related | $19M | 3 |
| DECA PREP INC | Dayton | B29 Education | $19M | 1 |
| CHARLES P TAFT MEMORIAL FUND | Cincinnati | B110 Education | $18.9M | 0 |
| EDUCATION ALTERNATIVES | Brookpark | B200 Education | $18.9M | 0 |
| THE OHIO STATE UNIVERSITY ALUMNI ASSOCIATION INC | Columbus | B84I Education | $18.9M | 0 |
| BUILDING LABORERS LOCAL 310 HEALTH AND WELFARE FUND | Cleveland | — | $18.8M | 0 |
| Jewish Community Center Of Cincinnati | Cincinnati | N31Z Recreation & Sports | $18.8M | 5 |
| SCIOTO COUNTRY CLUB INC | Columbus | — | $18.7M | 8 |
| OHIO LIVING | Westerville | P20 Human Services | $18.7M | 12 |
| OHIO FARM BUREAU HEALTH BENEFITS PLAN TRUST | Columbus | Y44 Mutual & Membership Benefit | $18.7M | 0 |
| ACTION FOR CHILDREN | Columbus | P34Z Human Services | $18.7M | 2 |
| YOUNG MEN'S CHRISTIAN ASSOCIATION OF AKRON INC | Akron | P27Z Human Services | $18.7M | 6 |
| DAYTON FOUNDATION PLUS INC | Dayton | T11 Philanthropy, Voluntarism & Grantmaking Foundations | $18.7M | 7 |
| COMMUNITY CARE AMBULANCE NETWORK | Ashtabula | E62Z Health Care | $18.6M | 1 |
| PROKIDS | Cincinnati | R200 Civil Rights, Social Action & Advocacy | $18.6M | 2 |
| BROTHERHOOD OF LOCOMOTIVE ENGINEERS AND TRAINMEN | Independence | J40Z Employment | $18.6M | 19 |
| CINCINNATI ARTS ASSOCIATION | Cincinnati | A610 Arts, Culture & Humanities | $18.6M | 12 |
| Boundless Strategic Resources Inc | Worthington | B28 Education | $18.5M | 10 |
| Columbus School for Girls | Columbus | B200 Education | $18.5M | 8 |
| MYUSA CREDIT UNION INC | Middletown | — | $18.5M | 11 |
| UVPC SPECIALISTS INC | Dayton | E300 Health Care | $18.4M | 11 |
| CUYAHOGA VALLEY CHRISTIAN ACADEMY | Cuyahoga Falls | B25Z Education | $18.4M | 4 |
