| 1 | Knoxville Community Hospital INC | Health Care | $57.0M | $69.4M |
| 2 | National Sprint Car Hall of Fame & Museum Foundation INC | Arts, Culture & Humanities | $4.8M | $10.7M |
| 3 | Weiler Foundation | Philanthropy, Voluntarism & Grantmaking | $3.9M | $13.9M |
| 4 | Stepping Stones Early Learning Center INC | Human Services | $1.4M | $1.5M |
| 5 | Kfyi Knoxville Food Youth Initiative | Food, Agriculture & Nutrition | $438K | $205K |
| 6 | Knoxville Panther Scholarship Foundation | Education | $430K | $1.8M |
| 7 | Pine Knolls Company | Unclassified | $359K | $323K |
| 8 | Marion County Humane Society | Animal-Related | $345K | $340K |
| 9 | Knoxville Racing Charitable Organization INC | Health Care | $317K | $75K |
| 10 | Knoxville Senior Center | Human Services | $238K | $146K |
| 11 | Knoxville Area Community Hospital Foundation | Philanthropy, Voluntarism & Grantmaking | $232K | $7.4M |
| 12 | Knoxville Economic Development Corporation | Community Improvement & Capacity Building | $218K | $1.1M |
| 13 | Grand Chapter of Iowa Oes | Unclassified | $214K | $693K |
| 14 | Assessment Action Alliance INC | Public & Societal Benefit | $162K | $308K |
| 15 | Iowa Farm Bureau Federation | Unclassified | $124K | $1.3M |
| 16 | Marion County Sportsmens Club | Unclassified | $87K | $197K |
| 17 | Knoxville Chamber of Commerce INC | Unclassified | $77K | $147K |
| 18 | The Federated Garden Clubs of Iowa INC | Environment | $64K | $58K |
| 19 | Helping Hands Food Pantry | Unclassified | $54K | $325K |
| 20 | Professional Photographers of Iowa | Unclassified | $33K | $115K |
| 21 | Esther H Browne Scholarship Trust | Education | $16K | $383K |
| 22 | Friends of Elk Rock | Recreation & Sports | $0 | $0 |
| 23 | Little League Baseball INC | Unclassified | $0 | $0 |
| 24 | Daughters of Union Veterans of the Civil War 1861-1865 | Arts, Culture & Humanities | $0 | $0 |
| 25 | Order of the Eastern Star of Iowa | Unclassified | $0 | $0 |
| 26 | Order of the Eastern Star of Iowa | Unclassified | $0 | $0 |
| 27 | Order of the Eastern Star of Iowa | Unclassified | $0 | $0 |
| 28 | Iowa Street Rod Association INC | Unclassified | $0 | $0 |
| 29 | Order of the Eastern Star of Iowa | Unclassified | $0 | $0 |
| 30 | Order of the Easter Star of Iowa | Unclassified | $0 | $0 |
| 31 | Order of the Eastern Star of Iowa | Unclassified | $0 | $0 |
| 32 | Order of the Eastern Star of Iowa | Unclassified | $0 | $0 |
| 33 | Order of the Eastern Star of Iowa | Unclassified | $0 | $0 |
| 34 | Order of the Eastern Star of Iowa | Unclassified | $0 | $0 |
| 35 | Order of the Eastern Star of Iowa | Unclassified | $0 | $0 |
| 36 | Order of the Eastern Star of Iowa | Unclassified | $0 | $0 |
| 37 | Order of the Eastern Star of Iowa | Unclassified | $0 | $0 |
| 38 | Order of the Eastern Star of Iowa | Unclassified | $0 | $0 |
| 39 | Order of the Eastern Star of Iowa | Unclassified | $0 | $0 |
| 40 | Order of the Eastern Star of Iowa | Unclassified | $0 | $0 |
| 41 | Order of the Eastern Star of Iowa | Unclassified | $0 | $0 |
| 42 | Order of the Eastern Star of Iowa | Unclassified | $0 | $0 |
| 43 | Order of the Eastern Star of Iowa | Unclassified | $0 | $0 |
| 44 | Order of the Eastern Star of Iowa | Unclassified | $0 | $0 |
| 45 | Order of the Eastern Star of Iowa | Unclassified | $0 | $0 |
| 46 | Order of the Eastern Star of Iowa | Unclassified | $0 | $0 |
| 47 | Order of the Eastern Star of Iowa | Unclassified | $0 | $0 |
| 48 | Order of the Eastern Star of Iowa | Unclassified | $0 | $0 |
| 49 | Order of the Eastern Star of Iowa | Unclassified | $0 | $0 |
| 50 | Order of the Eastern Star of Iowa | Unclassified | $0 | $0 |
| 51 | Order of the Eastern Star of Iowa | Unclassified | $0 | $0 |
| 52 | Order of the Eastern Star of Iowa | Unclassified | $0 | $0 |
| 53 | Order of the Eastern Star of Iowa | Unclassified | $0 | $0 |
| 54 | Order of the Eastern Star of Iowa | Unclassified | $0 | $0 |
| 55 | Order of the Eastern Star of Iowa | Unclassified | $0 | $0 |
| 56 | Order of the Eastern Star of Iowa | Unclassified | $0 | $0 |
| 57 | Order of the Eastern Star of Iowa | Unclassified | $0 | $0 |
| 58 | Order of the Eastern Star of Iowa | Unclassified | $0 | $0 |
| 59 | Order of the Eastern Star of Iowa | Unclassified | $0 | $0 |
| 60 | Order of the Eastern Star of Iowa | Unclassified | $0 | $0 |
| 61 | Knights Templar of the United States of America | Unclassified | $0 | $0 |
| 62 | Omega Life Christian Ministries | Religion-Related | $0 | $0 |
| 63 | Riverside Community Church | Religion-Related | $0 | $0 |
| 64 | America Brittany Club INC | Unclassified | $0 | $0 |
| 65 | Department of Iowa Auxiliary to the Veterans of Foreign Wars | Public & Societal Benefit | $0 | $0 |
| 66 | Paws and Pals Dog Park Knoxville | Animal-Related | $0 | $0 |
| 67 | Fire-rescue Association of Knoxville Iowa | Public Safety, Disaster Preparedness & Relief | $0 | $0 |
| 68 | Twin Cedars Youth Football | Recreation & Sports | $0 | $0 |
| 69 | Knoxville Preservation Foundation | Arts, Culture & Humanities | $0 | $0 |
| 70 | Knoxville Alumni Association | Education | $0 | $0 |
| 71 | Red Rock Riders Equestrial Drill Team | Recreation & Sports | $0 | $0 |
| 72 | Order of the Eastern Star of Iowa | Unclassified | $0 | $0 |
| 73 | Order of the Eastern Star of Iowa | Unclassified | $0 | $0 |
| 74 | Order of the Eastern Star of Iowa | Unclassified | $0 | $0 |
| 75 | Order of the Eastern Star of Iowa | Unclassified | $0 | $0 |
| 76 | Marion County United Way | Philanthropy, Voluntarism & Grantmaking | $0 | $0 |
| 77 | Trinity Lutheran Church | Unclassified | $0 | $0 |
| 78 | Order of the Eastern Star of Iowa | Unclassified | $0 | $0 |
| 79 | Order of the Eastern Star of Iowa | Unclassified | $0 | $0 |
| 80 | Order of the Eastern Star of Iowa | Unclassified | $0 | $0 |
| 81 | Order of the Eastern Star of Iowa | Unclassified | $0 | $0 |
| 82 | Order of the Eastern Star of Iowa | Unclassified | $0 | $0 |
| 83 | Marion County Historical Society | Education | $0 | $0 |
| 84 | Order of the Eastern Star of Iowa | Unclassified | $0 | $0 |
| 85 | Order of the Eastern Star of Iowa | Unclassified | $0 | $0 |
| 86 | Order of the Eastern Star of Iowa | Unclassified | $0 | $0 |
| 87 | Order of the Eastern Star of Iowa | Unclassified | $0 | $0 |
| 88 | Order of the Eastern Star of Iowa | Unclassified | $0 | $0 |
| 89 | First Assembly of God | Unclassified | $0 | $0 |
| 90 | Order of the Eastern Star of Iowa | Unclassified | $0 | $0 |
| 91 | Order of the Eastern Star of Iowa | Unclassified | $0 | $0 |
| 92 | Order of the Eastern Star of Iowa | Unclassified | $0 | $0 |
| 93 | Order of the Eastern Star of Iowa | Unclassified | $0 | $0 |
| 94 | Order of the Eastern Star of Iowa | Unclassified | $0 | $0 |
| 95 | Marion County Genealogical Society | Arts, Culture & Humanities | $0 | $0 |
| 96 | Order of the Eastern Star of Iowa | Unclassified | $0 | $0 |
| 97 | Order of the Eastern Star of Iowa | Unclassified | $0 | $0 |
| 98 | Order of the Eastern Star of Iowa | Unclassified | $0 | $0 |
| 99 | Christs Church of Knoxville Iowa | Unclassified | $0 | $0 |
| 100 | Knights of Columbus | Unclassified | $0 | $0 |