| 1 | North Iowa Area Community College Foundation | Education | $53.1M | $48.6M |
| 2 | Good Shepherd Geriatric Center INC | Diseases, Disorders & Medical Disciplines | $22.0M | $52.9M |
| 3 | Prairie Ridge Integrated Behavioral Healthcare | Mental Health & Crisis Intervention | $14.3M | $27.8M |
| 4 | North Iowa Community Action Organization | Unclassified | $11.9M | $6.4M |
| 5 | North Iowa Vocational Center INC | Unclassified | $10.7M | $10.4M |
| 6 | Iowa Odd Fellows and Orphans Home | Human Services | $7.4M | $11.3M |
| 7 | Elderbridge Agency on Aging | Human Services | $5.9M | $3.4M |
| 8 | Hospice of North Iowa | Human Services | $4.3M | $25.2M |
| 9 | Charlie Brown Community Day Care Center | Unclassified | $4.2M | $4.7M |
| 10 | Cft Foundation | Philanthropy, Voluntarism & Grantmaking | $4.0M | $7.3M |
| 11 | Newman High School Foundation | Unclassified | $2.9M | $27.6M |
| 12 | Humane Society of North Iowa | Animal-Related | $2.5M | $4.8M |
| 13 | Collaborative Summer Library Program | Human Services | $2.4M | $2.5M |
| 14 | Mason City Clinic P C Trust | Unclassified | $2.1M | $497K |
| 15 | David & Phyllis Murphy Charitable Foundation | Philanthropy, Voluntarism & Grantmaking | $2.1M | $10.1M |
| 16 | Young Mens Christian Association | Human Services | $1.8M | $707K |
| 17 | Niad Center for Human Development | Unclassified | $1.8M | $609K |
| 18 | Youth for Christ USA INC | Unclassified | $1.6M | $820K |
| 19 | Tomson Fam Foundation Tr | Philanthropy, Voluntarism & Grantmaking | $1.6M | $12.6M |
| 20 | First Citizens Charitable Foundation INC | Philanthropy, Voluntarism & Grantmaking | $1.6M | $1.3M |
| 21 | Hawkeye Harvest Food Bank Corporation | Food, Agriculture & Nutrition | $1.6M | $2.7M |
| 22 | Kinney-lindstrom Foundation INC | Unclassified | $1.3M | $8.8M |
| 23 | YMCA and Rehabilitation Center | Human Services | $1.3M | $2.5M |
| 24 | Niacog Housing Trust Fund INC | Housing & Shelter | $1.2M | $531K |
| 25 | Mercy Medical Center Foundation North Iowa | Health Care | $1.1M | $4.6M |
| 26 | Community Kitchen of North Iowa | Food, Agriculture & Nutrition | $1.0M | $895K |
| 27 | North Iowa Christian School INC | Unclassified | $988K | $2.4M |
| 28 | Habitat for Humanity International INC | Unclassified | $957K | $3.6M |
| 29 | Mason City Foundation | Environment | $945K | $5.7M |
| 30 | North Iowa Fair Association | Recreation & Sports | $823K | $1.6M |
| 31 | Mason City Chamber of Commerce | Unclassified | $794K | $1.4M |
| 32 | Education Foundation of the Mason City Public Schools | Philanthropy, Voluntarism & Grantmaking | $785K | $3.4M |
| 33 | North East Iowa Local Workforce Development Board | Employment | $763K | $252K |
| 34 | United Way of North Central Iowa | Philanthropy, Voluntarism & Grantmaking | $747K | $1.3M |
| 35 | North Iowa Corridor Economic Development Corporation | Community Improvement & Capacity Building | $659K | $2.3M |
| 36 | Mason City Chamber of Commerce Foundation | Community Improvement & Capacity Building | $614K | $122K |
| 37 | Iowa Farm Bureau Federation | Unclassified | $569K | $2.2M |
| 38 | Donald J Beck Trust | Philanthropy, Voluntarism & Grantmaking | $560K | $2.1M |
| 39 | Mason City Youth Hockey Association INC | Recreation & Sports | $550K | $399K |
| 40 | Beth E Reinhart Charitable Trust | Philanthropy, Voluntarism & Grantmaking | $534K | $4.1M |
| 41 | Farrer Endowment Foundation | Unclassified | $527K | $5.7M |
| 42 | Macnider Art Museum Foundation | Arts, Culture & Humanities | $492K | $1.5M |
| 43 | Friends of Seoul Foreign School INC | International, Foreign Affairs & National Security | $464K | $4.7M |
| 44 | T L C Broadcasting Corporation | Unclassified | $450K | $448K |
| 45 | Masonic Temple Association of Mason City | Unclassified | $353K | $548K |
| 46 | Northern Lights Alliance for the Homeless INC | Housing & Shelter | $331K | $1.1M |
| 47 | Mason City Mohawk Booster Club | Education | $330K | $315K |
| 48 | Visit Mason City INC | Community Improvement & Capacity Building | $329K | $329K |
| 49 | Shalom Tower Two INC | Unclassified | $314K | $1.0M |
| 50 | Stebens Childrens Theatre | Unclassified | $307K | $363K |
| 51 | Field Memorial Scholarship Trust | Education | $306K | $488K |
| 52 | Veterans of Foreign Wars of the United States Dept of Iowa | Unclassified | $302K | $476K |
| 53 | Caring Pregnancy Center | Health Care | $297K | $506K |
| 54 | Prairie Place on 1ST INC | Housing & Shelter | $270K | $6.0M |
| 55 | Mason City Lodge 1328 Loyal Order of Moose | Unclassified | $248K | $499K |
| 56 | Wright on the Park INC | Arts, Culture & Humanities | $236K | $18.8M |
| 57 | E R Keig and Alice Keig Scholarship Trust | Unclassified | $218K | $614K |
| 58 | Gas & Electric Employees Credit Union | Unclassified | $217K | $4.4M |
| 59 | River City Sculptures on Parade INC | Arts, Culture & Humanities | $178K | $249K |
| 60 | Senior Citizens Center | Unclassified | $174K | $91K |
| 61 | My Happy Place INC | Unclassified | $172K | $124K |
| 62 | Meals on Wheels of Mason City INC | Unclassified | $145K | $134K |
| 63 | International Brotherhd - Boilrmkrs Ir Shp Bldrs Blcksmth Frgrs & Hlpr | Unclassified | $136K | $53K |
| 64 | Pioneer Museum & Historical Society of North Iowa | Unclassified | $129K | $145K |
| 65 | Christmas Cheer Fund INC | Human Services | $127K | $335K |
| 66 | Mason City Schools Instrumental Music Boosters Foundation | Education | $116K | $202K |
| 67 | Rifle & Pistol Club River City | Unclassified | $113K | $649K |
| 68 | Freedom Inn His Grace Ministry | Human Services | $109K | $283K |
| 69 | Central Services 2 5 12 INC | Community Improvement & Capacity Building | $101K | $683K |
| 70 | River City Society for Historic Preservation | Unclassified | $98K | $741K |
| 71 | Laverna M Smedley Charitable Foundation | Philanthropy, Voluntarism & Grantmaking | $98K | $1.6M |
| 72 | North Iowa Volleyball Association | Recreation & Sports | $84K | $59K |
| 73 | Stuart D Nevermann Charitable Trust | Philanthropy, Voluntarism & Grantmaking | $80K | $629K |
| 74 | Mason City Little League INC D B a Mason City Youth Baseball | Youth Development | $80K | $203K |
| 75 | Mason City Downtown Association | Education | $80K | $90K |
| 76 | Beasley Family Foundation INC | Unclassified | $71K | $469K |
| 77 | Mason City Soccer Club | Recreation & Sports | $65K | $90K |
| 78 | Stratford Foundation Tr | Philanthropy, Voluntarism & Grantmaking | $61K | $287K |
| 79 | Rotary International | Unclassified | $58K | $8K |
| 80 | Good Shepherd Telephone Reassurance INC | Mental Health & Crisis Intervention | $56K | $245K |
| 81 | Iowa Operation Lifesaver | Public Safety, Disaster Preparedness & Relief | $55K | $17K |
| 82 | North Iowa Band Festival Foundation | Housing & Shelter | $53K | $100K |
| 83 | Mason City Community Theatre INC | Arts, Culture & Humanities | $52K | $77K |
| 84 | Living Free Ministries | Religion-Related | $50K | $60K |
| 85 | Agva Foundation | Food, Agriculture & Nutrition | $50K | $194K |
| 86 | North Iowa Figure Skating Club | Recreation & Sports | $44K | $17K |
| 87 | Strand North Central Foundation | Education | $38K | $1.3M |
| 88 | Mohawk Danzers Mason City | Arts, Culture & Humanities | $34K | $12K |
| 89 | Mason City Public Library Foundation INC | Unclassified | $27K | $649K |
| 90 | Al a Lake T W 3CB537000 Norwest Bank of des Moines NA Ttee | Unclassified | $26K | $135K |
| 91 | Harding Elementary Parent Teacher Organization | Education | $24K | $52K |
| 92 | Jefferson Parent-teacher Organization | Education | $24K | $34K |
| 93 | Lee Endowment Foundation | Unclassified | $18K | $591K |
| 94 | My Happy Place | Health Care | $12K | $70K |
| 95 | Future Farmers of America Ia14081 Tall Corn Ffa Alumni Association | Youth Development | $5K | $45K |
| 96 | Community Education Foundation | Philanthropy, Voluntarism & Grantmaking | $2K | $105K |
| 97 | Rhythm Church | Unclassified | $0 | $0 |
| 98 | Praise Community Church | Religion-Related | $0 | $0 |
| 99 | American Womens Self Defense Association | Crime & Legal-Related | $0 | $0 |
| 100 | Mason City Youth Football Association | Recreation & Sports | $0 | $0 |