| 1 | Kettering College | Health Care | $1.2B | $1.5B |
| 2 | Dayton Osteopathic Hospital | Health Care | $870.4M | $877.4M |
| 3 | Beavercreek Medical Center | Health Care | $292.8M | $273.9M |
| 4 | Fort Hamilton Hospital | Health Care | $189.2M | $96.3M |
| 5 | Alliance Physicians INC | Health Care | $168.6M | $21.0M |
| 6 | Greene Memorial Hospital INC | Health Care | $39.9M | $23.7M |
| 7 | River Valley Credit Union INC | Unclassified | $28.1M | $476.3M |
| 8 | Legacy Ministries International | Philanthropy, Voluntarism & Grantmaking | $17.4M | $23.5M |
| 9 | Greater Schools | Education | $11.6M | $64.6M |
| 10 | Kettering Affiliated Health Services INC | Health Care | $8.3M | $3.9M |
| 11 | Winter Guard International INC | Recreation & Sports | $6.5M | $6.9M |
| 12 | Connor Group Foundation | Philanthropy, Voluntarism & Grantmaking | $5.5M | $56.3M |
| 13 | Kettering Medical Center Foundation | Health Care | $4.9M | $20.4M |
| 14 | Miamisburg Lodge No 1645 Loyal Order of Moose | Unclassified | $3.7M | $2.5M |
| 15 | Hannahs Treasure Chest | Human Services | $3.5M | $3.8M |
| 16 | Ulliman Schutte Construction LLC Tr | Mutual & Membership Benefit | $3.0M | $70K |
| 17 | Camp Chautauqua INC | Human Services | $2.2M | $5.5M |
| 18 | Bogg Ministries | Human Services | $1.5M | $645K |
| 19 | American Legion | Unclassified | $1.4M | $771K |
| 20 | Fort Hamilton Hospital Foundation | Health Care | $1.4M | $7.9M |
| 21 | Danis Foundation INC | Unclassified | $1.2M | $1.0M |
| 22 | Fraternal Order of Eagles | Unclassified | $1.1M | $804K |
| 23 | Greener Pastures Foundation | Philanthropy, Voluntarism & Grantmaking | $869K | $9.4M |
| 24 | Highland Memorial Cemetery Assn. | Unclassified | $579K | $2.1M |
| 25 | National Society of Accountants for Cooperatives | Unclassified | $559K | $1.9M |
| 26 | Troy Housing Opportunity United INC | Unclassified | $510K | $921K |
| 27 | Dayton Mercy Society | Religion-Related | $487K | $1.3M |
| 28 | Viking Booster Association of Miamisburg Ohio | Recreation & Sports | $487K | $278K |
| 29 | Connor Kids Academy | Education | $430K | $44K |
| 30 | Plaza Theatre Association | Arts, Culture & Humanities | $425K | $463K |
| 31 | Miami Valley Restaurant Association | Unclassified | $394K | $89K |
| 32 | His Hope Teen Challenge INC | Human Services | $384K | $1.3M |
| 33 | Shoulder to Shoulder INC | Food, Agriculture & Nutrition | $383K | $689K |
| 34 | Greene Foundation | Health Care | $375K | $3.6M |
| 35 | Colins Lodge INC | Philanthropy, Voluntarism & Grantmaking | $317K | $2.0M |
| 36 | Miamisburg Community Foundation | Environment | $308K | $390K |
| 37 | National Issues Forums Institute | Philanthropy, Voluntarism & Grantmaking | $303K | $8.8M |
| 38 | Am Paula Charitable Foundation | Philanthropy, Voluntarism & Grantmaking | $276K | $216K |
| 39 | Planting Seeds LLC | Human Services | $253K | $110K |
| 40 | Miamisburg Band and Guard Boosters INC | Arts, Culture & Humanities | $198K | $63K |
| 41 | Dayton Christian Athletic Boosters INC | Education | $176K | $158K |
| 42 | Miamisburg Soccer Association | Unclassified | $154K | $153K |
| 43 | Ripplaffect INC | Health Care | $135K | $154K |
| 44 | Tip International | Religion-Related | $133K | $7K |
| 45 | Miamisburg Wee Vikes Football Association INC | Recreation & Sports | $133K | $126K |
| 46 | Schnauzer Rescue Cincinnati | Animal-Related | $130K | $73K |
| 47 | Miamisburg Sportsmens Club INC | Recreation & Sports | $125K | $594K |
| 48 | Hieronymus Family Fund INC | Unclassified | $121K | $2.2M |
| 49 | Just a Pair of Shoes | Human Services | $103K | $8K |
| 50 | Baum Opera House Association | Unclassified | $100K | $529K |
| 51 | Canes Baseball Corporation | Recreation & Sports | $95K | $0 |
| 52 | Miamisburg Visual Ensemble Booster Association | Education | $81K | $21K |
| 53 | Beta of Epsilon Psi Epsilon Alumni Assn INC | Education | $79K | $108K |
| 54 | Miamisburg Merchants Association | Community Improvement & Capacity Building | $72K | $23K |
| 55 | International Association of Fire Fighters | Unclassified | $71K | $80K |
| 56 | Childrens Performing Arts of Miamisburg | Arts, Culture & Humanities | $57K | $22K |
| 57 | Antioch Shrine Foundation | Human Services | $50K | $381K |
| 58 | Wright B Flyer Incorporated | Arts, Culture & Humanities | $47K | $376K |
| 59 | Miami Township Communityimprovement Corporation | Community Improvement & Capacity Building | $46K | $1.1M |
| 60 | Hoofprints | Youth Development | $29K | $9K |
| 61 | Miamisburg Basketball Association | Recreation & Sports | $28K | $8K |
| 62 | Medlar View Elementary Parent Teacher Organization | Education | $17K | $20K |
| 63 | Radiant Relief Foundation | Philanthropy, Voluntarism & Grantmaking | $9K | $9 |
| 64 | Hope 29-11 INC | Religion-Related | $1K | $2K |
| 65 | Corbus Cares Foundation | Community Improvement & Capacity Building | $532 | $3K |
| 66 | Miami Valley Squash Foundation | Recreation & Sports | $446 | $14K |
| 67 | James L and Joan W McCoy Foundation | Philanthropy, Voluntarism & Grantmaking | $1 | $1 |
| 68 | Miamisburg Wrestling Boosters Club INC | Education | $0 | $0 |
| 69 | Centerville Wrestling Alumni Association INC | Education | $0 | $0 |
| 70 | Repair & Restore Ministries | Education | $0 | $0 |
| 71 | Mag Racing INC | Religion-Related | $0 | $0 |
| 72 | Restoration at Hillside | Unclassified | $0 | $0 |
| 73 | Royal Arch Masons of Ohio | Unclassified | $0 | $0 |
| 74 | Fraternal Order of Eagles | Unclassified | $0 | $0 |
| 75 | Tri-state Shiba Inu Rescue INC | Animal-Related | $0 | $0 |
| 76 | Legacy Extreme Boosters INC | Youth Development | $0 | $0 |
| 77 | Marine Corps League | Public & Societal Benefit | $0 | $0 |
| 78 | Miamisburg Lacrosse | Recreation & Sports | $0 | $0 |
| 79 | Kinder Elementary PTO | Education | $0 | $0 |
| 80 | Miamisburg High School Swimming & Diving Boosters | Education | $0 | $0 |
| 81 | Viking Soccer Parents | Recreation & Sports | $0 | $0 |
| 82 | Samaritan Relief International Network | International, Foreign Affairs & National Security | $0 | $0 |
| 83 | Knights of Columbus | Unclassified | $0 | $0 |
| 84 | Baptist Bible Fellowship Foundation of the State of Michigan INC | Unclassified | $0 | $0 |
| 85 | First Baptist Church Miamisburg | Unclassified | $0 | $0 |
| 86 | Miamisburg Christian Church | Religion-Related | $0 | $0 |
| 87 | United Steelworkers | Unclassified | $0 | $0 |
| 88 | Assembly of God | Unclassified | $0 | $0 |
| 89 | Family Motor Coach Association | Unclassified | $0 | $0 |
| 90 | Greenhouse Miamisburg | Unclassified | $0 | $0 |
| 91 | The Ark Church | Unclassified | $0 | $0 |
| 92 | Fraternal Order of Police Frederick J Beard Lodge 117 | Unclassified | $0 | $0 |
| 93 | St. Johns Evangelical Lutheran Church INC | Unclassified | $0 | $0 |
| 94 | H V Bear PTO | Unclassified | $0 | $0 |
| 95 | Miamisburg First Church of the Nazarene | Unclassified | $0 | $0 |
| 96 | Miamisburg Alumni Association | Education | $0 | $0 |
| 97 | Miamisburg Helping Hands | Philanthropy, Voluntarism & Grantmaking | $0 | $0 |
| 98 | Southbrook Christian Church | Unclassified | $0 | $0 |
| 99 | Marine Corps League | Unclassified | $0 | $0 |
| 100 | Miamisburg Classroom Teachers | Employment | $0 | $0 |