| 1 | The Trustees of Grinnell College | Education | $1.4B | $3.2B |
| 2 | Grinnell Regional Medical Center | Health Care | $71.5M | $36.2M |
| 3 | St. Francis Manor INC | Unclassified | $11.3M | $22.5M |
| 4 | Mayflower Homes INC | Human Services | $11.1M | $23.3M |
| 5 | Greater Poweshiek Community Foundation | Philanthropy, Voluntarism & Grantmaking | $6.8M | $18.5M |
| 6 | Grinnell College Medical Benefit Plan Trust Agreement | Unclassified | $5.3M | $2.6M |
| 7 | Myrtle Cass Tr | Philanthropy, Voluntarism & Grantmaking | $3.6M | $3.0M |
| 8 | Grinnell Regional Medical Center Foundation | Health Care | $1.8M | $8.2M |
| 9 | The Claude W and Dolly Ahrens Foundation Corporation | Philanthropy, Voluntarism & Grantmaking | $1.7M | $7.7M |
| 10 | Ahrens Park Foundation | Recreation & Sports | $1.1M | $6.4M |
| 11 | Grinnell Day Care Center INC | Human Services | $1.0M | $857K |
| 12 | Grinnell Mutual Group Foundation | Unclassified | $554K | $305 |
| 13 | Poweshiek Area Housing INC | Unclassified | $511K | $1.4M |
| 14 | Iowa Parks and Recreation Association INC | Unclassified | $479K | $395K |
| 15 | Mayflower Homes Foundation | Unclassified | $429K | $4.6M |
| 16 | Midwest Conference INC | Recreation & Sports | $403K | $578K |
| 17 | Fraternal Order of Eagles | Unclassified | $391K | $88K |
| 18 | Central Iowa Christian School | Education | $374K | $197K |
| 19 | Grinnell Historical Museum Society | Arts, Culture & Humanities | $366K | $1.3M |
| 20 | Poweshiek County Fair Association | Unclassified | $344K | $529K |
| 21 | Second Mile INC | Unclassified | $328K | $501K |
| 22 | Link INC | Human Services | $289K | $202K |
| 23 | Galaxy INC | Youth Development | $284K | $160K |
| 24 | Grinnell Area Arts Council | Unclassified | $274K | $1.7M |
| 25 | Ramsey Family Foundation | Philanthropy, Voluntarism & Grantmaking | $271K | $949K |
| 26 | Diamond Trail Golf Club INC | Recreation & Sports | $260K | $395K |
| 27 | Chamber of Commerce of Grinnell | Unclassified | $253K | $307K |
| 28 | Adopt-a-family Local Foods Connection | Food, Agriculture & Nutrition | $229K | $46K |
| 29 | Keokuk County Fair | Unclassified | $195K | $481K |
| 30 | Grinnell-newburg Boosters | Education | $174K | $239K |
| 31 | Poweshiek Animal League Shelter & Human Society | Animal-Related | $150K | $436K |
| 32 | Brownell Family Foundation Rt 2 | Unclassified | $144K | $2.0M |
| 33 | Masons Light House | Health Care | $142K | $153K |
| 34 | St. Francis Manor Foundation | Health Care | $131K | $189K |
| 35 | United Fund of Grinnell Iowa INC | Unclassified | $110K | $96K |
| 36 | Grinnell Volunteer Firefighters Association | Public Safety, Disaster Preparedness & Relief | $98K | $322K |
| 37 | Benevolent & Protective Order of Elks of the USA | Unclassified | $95K | $104K |
| 38 | Midwest Economics Association | Unclassified | $92K | $129K |
| 39 | Iowa Optometric Assistance Association INC | Health Care | $53K | $10K |
| 40 | Grinnell School of Music | Arts, Culture & Humanities | $49K | $33K |
| 41 | Uncle Sams INC | Housing & Shelter | $44K | $239K |
| 42 | Car Seats for the Littles INC | Public Safety, Disaster Preparedness & Relief | $21K | $63K |
| 43 | Poweshiek County Fair Foundation | Recreation & Sports | $16K | $59K |
| 44 | Grinnell Fire Auxiliary | Public Safety, Disaster Preparedness & Relief | $5K | $1 |
| 45 | Poweshiek Iowa Development | Community Improvement & Capacity Building | $3K | $424K |
| 46 | Sittig Foundation INC | Education | $2K | $10K |
| 47 | Rock Creek Lake Alliance | Environment | $0 | $0 |
| 48 | Optimist International | Unclassified | $0 | $0 |
| 49 | Foch-tennant Post 53 of the American Legion | Public & Societal Benefit | $0 | $0 |
| 50 | National Society of the Daughters of the American Revolution | Unclassified | $0 | $0 |
| 51 | Society for Italian Historical Studies | Unclassified | $0 | $0 |
| 52 | American Postal Workers Union | Unclassified | $0 | $0 |
| 53 | Knights of Columbus | Unclassified | $0 | $0 |
| 54 | Fraternal Order of Eagles | Unclassified | $0 | $0 |
| 55 | Social Entrepreneurs of Grinnell | International, Foreign Affairs & National Security | $0 | $0 |
| 56 | Foundations for Glory | Religion-Related | $0 | $0 |
| 57 | Tiger Elite Vbc | Recreation & Sports | $0 | $0 |
| 58 | Mayas Spark of Courage Foundation | Education | $0 | $0 |
| 59 | Pflag INC | Unclassified | $0 | $0 |
| 60 | Poweshiek Housing Development Corp. | Community Improvement & Capacity Building | $0 | $0 |
| 61 | Grace Community Church of the Christian and Missionary Alliance | Unclassified | $0 | $0 |
| 62 | Ladies Malcom Cemetery Association | Unclassified | $0 | $0 |
| 63 | First Baptist Church | Unclassified | $0 | $0 |
| 64 | Ancient Free & Accepted Masons of Iowa | Unclassified | $0 | $0 |
| 65 | Iowa Yearly Meeting of Friends | Unclassified | $0 | $0 |
| 66 | Gilman Saddle Club INC of Gilman Iowa | Recreation & Sports | $0 | $0 |
| 67 | Immanuel Lutheran Church | Unclassified | $0 | $0 |
| 68 | Poweshiek County Council on Aging INC | Food, Agriculture & Nutrition | $0 | $0 |
| 69 | Izaak Walton League of America INC | Unclassified | $0 | $0 |
| 70 | Church of Christ | Unclassified | $0 | $0 |
| 71 | Grinnell Lady Elks | Unclassified | $0 | $0 |
| 72 | Friends of Drake Community Library INC | Unclassified | $0 | $0 |
| 73 | Tallgrass Prairie Audubon Society | Environment | $0 | $0 |
| 74 | Sully Health Foundation INC | Health Care | $0 | $0 |
| 75 | Poweshiek County Heritage Park | Arts, Culture & Humanities | $0 | $0 |
| 76 | Independent Order of Odd Fellows | Mutual & Membership Benefit | $0 | $0 |
| 77 | Veterans of Foreign Wars of the United States Dept of Iowa | Unclassified | $0 | $0 |
| 78 | American Legion | Unclassified | $0 | $0 |
| 79 | American Chemical Society | Unclassified | $0 | $0 |
| 80 | Rotary International | Unclassified | $0 | $0 |
| 81 | International Association of Lions Clubs | Unclassified | $0 | $0 |
| 82 | Mt Pleasant Primitive Baptist Church | Unclassified | $0 | $0 |
| 83 | Poweshiek Cares INC | Community Improvement & Capacity Building | $0 | $0 |
| 84 | First Presbyterian Church | Unclassified | $0 | $0 |
| 85 | National Association of Letter Carriers | Unclassified | $0 | $0 |
| 86 | Knight of Columbus | Mutual & Membership Benefit | $0 | $0 |
| 87 | Security des Moines INC | Education | $0 | $0 |
| 88 | Green Linden Press | Arts, Culture & Humanities | $0 | $0 |
| 89 | Psi Chi the National Honor Society in Psychology | Unclassified | $0 | $0 |
| 90 | Future Farmers of America State Associations & Local Chapter | Unclassified | $0 | $0 |
| 91 | Read 2 Lead | Education | $0 | $0 |
| 92 | Iowa Kitchen INC | Education | $0 | $0 |
| 93 | Into the Light Movement | Public & Societal Benefit | $0 | $0 |
| 94 | Beth Loomis Ministries | Unclassified | $0 | $0 |
| 95 | Grinnell Sure Shots INC | Recreation & Sports | $0 | $0 |
| 96 | Kiwanis Club of Greater Grinnell | Unclassified | $0 | $0 |
| 97 | Cohen Juvenile Practice Series | Education | $0 | $0 |