| 1 | Vision Atlantic INC | Housing & Shelter | $9.9M | $11.3M |
| 2 | Zion Integrated Behavioral Health Services INC | Mental Health & Crisis Intervention | $5.1M | $3.4M |
| 3 | Nishna Valley Family Young Mens Christian Association | Human Services | $3.1M | $5.9M |
| 4 | Sunshine Homes INC | Unclassified | $2.5M | $1.9M |
| 5 | Partnership for Progress INC | Human Services | $1.9M | $741K |
| 6 | Atlantic Golf & Country Club | Unclassified | $1.2M | $1.0M |
| 7 | Southwest Iowa Housing Trust Fund INC | Unclassified | $763K | $586K |
| 8 | Atlantic Community School Foundation | Philanthropy, Voluntarism & Grantmaking | $390K | $3.5M |
| 9 | Shift Atl | Community Improvement & Capacity Building | $351K | $530K |
| 10 | Atlantic Area Chamber of Commerce | Unclassified | $291K | $29K |
| 11 | Cass-atlantic Development Corp. | Unclassified | $288K | $1.1M |
| 12 | Cass County Fair Association | Recreation & Sports | $269K | $213K |
| 13 | Iowa Municipal Finance Officers Association | Public & Societal Benefit | $217K | $182K |
| 14 | Cass County Housing Corporation | Housing & Shelter | $210K | $639K |
| 15 | Atlantic Schools Booster Club | Education | $204K | $178K |
| 16 | Cass County Agricultural and Educational Assn. | Recreation & Sports | $187K | $1.7M |
| 17 | Cass County Health System Foundation | Unclassified | $150K | $1.3M |
| 18 | Atlantic Cemetery Association | Mutual & Membership Benefit | $113K | $381K |
| 19 | Leona Thiele McKenney Trust | Unclassified | $100K | $263K |
| 20 | Cass County Memorial Hospital Auxiliary | Philanthropy, Voluntarism & Grantmaking | $96K | $35K |
| 21 | Benevolent & Protective Order of Elks of the USA | Unclassified | $93K | $174K |
| 22 | Atlantic Rock Island Society | Arts, Culture & Humanities | $89K | $194K |
| 23 | Nishna Valley Trails INC | Recreation & Sports | $86K | $1.6M |
| 24 | Iowa Farm Bureau Federation | Unclassified | $84K | $1.1M |
| 25 | Atlantic Food Pantry INC | Human Services | $77K | $162K |
| 26 | Rotary International | Unclassified | $74K | $62K |
| 27 | Faiths Friends | Human Services | $61K | $98K |
| 28 | Cass County Meals on Wheels | Food, Agriculture & Nutrition | $50K | $24K |
| 29 | Atlantic Police Community Charitable Organization INC | Public & Societal Benefit | $49K | $71K |
| 30 | Camdens Cause | Public & Societal Benefit | $25K | $11K |
| 31 | Atlantic Junior Sports Association INC | Recreation & Sports | $0 | $0 |
| 32 | United States Bowling Congress INC | Recreation & Sports | $0 | $0 |
| 33 | 309 Club INC | Mental Health & Crisis Intervention | $0 | $0 |
| 34 | Ancient Free & Accepted Masons of Iowa | Unclassified | $0 | $0 |
| 35 | Ancient Free & Accepted Masons of Iowa | Unclassified | $0 | $0 |
| 36 | Knights of Columbus | Unclassified | $0 | $0 |
| 37 | Benevolent Patriotic Order of Does of the United States of America | Unclassified | $0 | $0 |
| 38 | Helen Welter Foundation INC | Education | $0 | $0 |
| 39 | Nishnabotna Water Defenderss | Environment | $0 | $0 |
| 40 | Valley Mutual Insurance Associaiton | Unclassified | $0 | $0 |
| 41 | First United Presbyterian Church of Atlantic | Unclassified | $0 | $0 |
| 42 | Zion Lutheran Church | Unclassified | $0 | $0 |
| 43 | First United Methodist Church of Atlantic | Unclassified | $0 | $0 |
| 44 | United Church of Christ | Unclassified | $0 | $0 |
| 45 | Atlantic Church of the Nazarene | Unclassified | $0 | $0 |
| 46 | Sunnyside Bible Chapel | Unclassified | $0 | $0 |
| 47 | Senior Citizens of Cass County Atlantic C S C C | Unclassified | $0 | $0 |
| 48 | First Baptist Church | Unclassified | $0 | $0 |
| 49 | Cass County Genealogical Society | Education | $0 | $0 |
| 50 | Atlantic Right to Life | Unclassified | $0 | $0 |
| 51 | First Church of Christ | Unclassified | $0 | $0 |
| 52 | Atlantic School District Employees Association | Unclassified | $0 | $0 |
| 53 | Family Crisis Support Network | Housing & Shelter | $0 | $0 |
| 54 | Evangelical Free Church of Atlantic Iowa | Unclassified | $0 | $0 |
| 55 | Church of God of Prophecy | Unclassified | $0 | $0 |
| 56 | Modern Woodmen of America | Unclassified | $0 | $0 |
| 57 | American Federation of State County & Municipal Employees | Unclassified | $0 | $0 |
| 58 | Modern Woodmen of America | Unclassified | $0 | $0 |
| 59 | Southwest Iowa Honor Marching Band Foundation | Arts, Culture & Humanities | $0 | $0 |
| 60 | Modern Woodmen of America | Unclassified | $0 | $0 |
| 61 | Veterans of Foreign Wars of the United States Dept of Iowa | Unclassified | $0 | $0 |
| 62 | American Legion | Unclassified | $0 | $0 |
| 63 | International Association of Lions Clubs | Unclassified | $0 | $0 |
| 64 | Kiwanis Club of Atlantic | Unclassified | $0 | $0 |
| 65 | Atlantic Youth Sports Organization | Recreation & Sports | $0 | $0 |
| 66 | Trevor Frederickson Memorial Fund | Education | $0 | $0 |
| 67 | Embroiderers Guild of America INC | Unclassified | $0 | $0 |
| 68 | Future Farmers of America State Associations & Local Chapter | Unclassified | $0 | $0 |
| 69 | Atlantic Soccer Association | Recreation & Sports | $0 | $0 |
| 70 | Amvets Number 1 | Public & Societal Benefit | $0 | $0 |
| 71 | First Assembly of God | Unclassified | $0 | $0 |
| 72 | Senior Alumni Scholarship Foundation | Education | $0 | $0 |
| 73 | Grace Cornerstone Fellowship | Religion-Related | $0 | $0 |
| 74 | Corn for a Cause | Unclassified | $0 | $0 |
| 75 | Produce in the Park INC | Community Improvement & Capacity Building | $0 | $0 |
| 76 | Southwest Iowa Fishing Team INC | Recreation & Sports | $0 | $0 |
| 77 | Cats of Cass County | Animal-Related | $0 | $0 |
| 78 | Avery Andersen Foundation | Education | $0 | $0 |
| 79 | Swat Valkyrie Wrestling Booster Club | Recreation & Sports | $0 | $0 |
| 80 | Whale Town Properties | Community Improvement & Capacity Building | $0 | $0 |
| 81 | Hit City | Recreation & Sports | $0 | $0 |