| Name | Deductibility Code |
| A J Magnus Home | 4 |
| A R E A Community Foundation | 4 |
| Aldean Chaplin Memorial Trust | -- |
| Andy Ogrady Memorial Fund | 4 |
| Autonet Foundation of Iowa | -- |
| Beitz Foundation | 4 |
| Benjamin Hershey Memorial Convalescent Home | -- |
| Birthright of Muscatine Iowa Inc. | -- |
| Central Bancshares Charitable Foundation | 4 |
| Colorado Parent-Teacher Organization of Muscatine Iowa | -- |
| Colorado School Parent Teacher Organization | -- |
| Community Christian Church Independent | -- |
| Community Foundation of Greater Muscatine | -- |
| Community Nursing Foundation | -- |
| Crossroads Foundation | -- |
| Crossroads Inc. of Muscatine | -- |
| Diversity Service Center of Iowa | -- |
| Emmert Christian Foundation Inc. | 4 |
| Erika Kate Foundation | 4 |
| Evangelical Christian Support Fund | 4 |
| Faith Baptist Church | -- |
| Family YMCA of Muscatine Endowment Foundation | 4 |
| Firefighters Association of Muscatine | -- |
| Frank C & Mary Esther Bishop Educational Tr | 4 |
| Friends of Muscatine Art Center Inc. | -- |
| Friends of Muscatine Historic Preservation | -- |
| Friends of the Muscatine FFA | -- |
| Friends of the Musser Public Library | -- |
| Great River Tennis Association | -- |
| Greater Quad Cities Cyclone Club | -- |
| Happy Time Preschool of Muscatine | -- |
| Helen M Little Trust | -- |
| Hni Charitable Foundation | 4 |
| Holthues Tr | 4 |
| House of the Lord | -- |
| Howe Foundation | 4 |
| Independent Assembly of God & Bible Seminary International | -- |
| Katherine B Hahn Trust | -- |
| Kinderhaven Early Childhood Educational Center | -- |
| Marek Trust Fund | 4 |
| Martin G and Ruth A Carver Foundation | 4 |
| Mary M Nietzel Trust | -- |
| Michels Fam Educational Tr | 4 |
| Mulberry School Parent Teacher Organization Inc. | -- |
| Muscatine Arboretum Association | -- |
| Muscatine Area Heritage Association Inc. | -- |
| Muscatine Art Center Support Foundation | 4 |
| Muscatine Baseball Academy | -- |
| Muscatine Branching Out | -- |
| Muscatine Chamber of Commerce Foundation | -- |
| Muscatine Charities Inc. | -- |
| Muscatine Choral Boosters | -- |
| Muscatine Civic Chorale Inc. | -- |
| Muscatine Civic Improvement Foundation | 3 |
| Muscatine Community College Foundation | -- |
| Muscatine Community Food Pantry Inc. | -- |
| Muscatine Community Health Association Inc. | -- |
| Muscatine Community School Foundation | -- |
| Muscatine Community Y | -- |
| Muscatine Community Y Endowment Foundation | -- |
| Muscatine Connected | -- |
| Muscatine County Arts Council | -- |
| Muscatine County Arts Endowment | -- |
| Muscatine County Conservation Foundation | -- |
| Muscatine Emergency and Rescue Unit | -- |
| Muscatine Foods Corporation Charitable Foundation | 4 |
| Muscatine Girls Softball Association | -- |
| Muscatine Gop Scholarship Foundation | -- |
| Muscatine Humane Society Inc. | -- |
| Muscatine Humane Society Inc. Endowment Trust | -- |
| Muscatine Legal Services | -- |
| Muscatine Melon Patchers Quilt Guild | -- |
| Muscatine Mission Church | -- |
| Muscatine Orchestra Boosters | -- |
| Muscatine Prairie Endowment | -- |
| Muscatine Productions Boosters | -- |
| Muscatine Quarterback Club Inc. | -- |
| Muscatine Safe Streets Inc. | -- |
| Muscatine Soccer Club | -- |
| Muscatine Symphony Orchestra Assoc | -- |
| Muscatine Welfare Assoc | -- |
| Muscatine-Beyond 2000 | -- |
| Muscatines Center for Strategic Action | -- |
| Museatine Sister Cities Assn | -- |
| Muskie Booster Club | -- |
| Muskie Football Club Inc. | -- |
| Mwa II Inc. | -- |
| Mwa III Inc. | -- |
| National Civility Center | 4 |
| New Evangelization Ministries | -- |
| New Hope Foundation | 4 |
| Pearl City Outreach | -- |
| Pearl City Power Volleyball Associa Tion | -- |
| Pearl City Rugby Club | -- |
| Performing Arts Muscatine | -- |
| Public Interest Institute | -- |
| Rebuilding Together-Muscatine | -- |
| Robert S Jackson Trust Central State Bank Ttee | -- |
| Roger L and Sarah D Lande Foundation | 4 |
| Rotary Club of Muscatine Foundation Inc. | -- |
| Roy J Carver Charitable Tr | 4 |
| Rural Housing Institute | -- |
| Senior Resources Inc. | -- |
| Spirit Harvest Muscatine | -- |
| Stanley Group Charitable Foundation | 4 |
| Stanley Scholarship Trust | -- |
| Tax Education Foundation | -- |
| Temple of the Flowing Waters | -- |
| The Stanley Foundation | 4 |
| Theresa Tullo Gift Foundation | -- |
| Trinity House | -- |
| Triumph of the Heart Radio | -- |
| Truth About Gambling Foundation | -- |
| United Marriage Encounter | -- |
| United Way of Muscatine Iowa Incorporated | -- |
| Unity Healthcare | -- |
| Unity Healthcare Auxiliary | -- |
| Unity Healthcare Foundation | -- |
| Volunteers & Information | -- |
| Youth Sports Foundation | -- |