| Name | Address, Zip |
| Amvets Number 1 | 800 Chestnut St Apt 402, 50022-1666 |
| 309 Club Inc | 309 Elm St, 50022-1120 |
| Corn For A Cause | 3408 Eagle Ave, 50022-7505 |
| His Acres Foundation | 1300 E 19th St, 50022-2887 |
| Community Leadership Efforts Acting Now | 600 Pine St, 50022-1533 |
| Center For The Advancement Of Self Sufficiency Inc | 2307 S Olive Street, 50022-9768 |
| Cass County Agricultural And Educational Assn | 805 W 10th St, 50022-2030 |
| Senior Alumni Scholarship Foundation | 2103 Pine Ridge Dr, 50022-3104 |
| Avery Andersen Foundation | 55717 Olive St, 50022-8366 |
| Cass County Morman Trails Association | 1200 Brookridge Cir Ste 302, 50022-2304 |
| Walnut Fire & Rescue Association | Po Box 496, 50022-0496 |
| Iowa Municipal Finance Officers Association | 1610 Aspen Dr, 50022-2473 |
| Atlantic Junior Sports Association Inc | Po Box 293, 50022-0293 |
| Atlantic Soccer Association | Po Box 232, 50022-0232 |
| Cass County Fair Association | 805 W 10th St, 50022-2030 |
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| Shift Atl | Po Box 331, 50022-0331 |
| Atlantic Community Senior Citizens Center | 411 Walnut St, 50022-1366 |
| Atlantic Trades Education Foundation | 714 W 7th St, 50022-1432 |
| Evangelical Free Church Of Atlantic Iowa | 1 E 22nd St, 50022-2806 |
| Atlantic Elementary Pto | 1406 Sw 7th St, 50022-2260 |
| Atlantic Community School Foundation | 1100 Linn St, 50022-2352 |
| Atlantic Food Pantry Inc | Po Box 285, 50022-0285 |
| Atlantic Rock Island Society | Po Box 1, 50022-0001 |
| Atlantic Youth Sports Organization | Po Box 294, 50022-0294 |
| Vision Atlantic Inc | Po Box 344, 50022-0344 |
| Kiwanis Club Of Atlantic | Po Box 13, 50022-0013 |
| Atlantic Right To Life | 1100 Brookridge Cir Apt 4g, 50022-2361 |
| Atlantic Police Community Charitable Organization Inc | 23 E 4th Street, 50022-1377 |
| Senior Citizens Of Cass County Atlantic C S C C | 411 Walnut St, 50022-1366 |
| Cass County Memorial Hospital Auxiliary | 1501 E 10th St, 50022-1936 |
| Zion Integrated Behavioral Health Services Inc | Po Box 34, 50022-0034 |
| Swat Valkyrie Wrestling Booster Club | 707 Poplar St, 50022-1672 |
| United States Bowling Congress Inc | 405 Spruce St, 50022-1570 |
| Camdens Cause | 2701 Palm St, 50022-2596 |
| Cass County Medical Clinics Inc | Po Box 429, 50022-0429 |
| Cass County Shooting Sports | Po Box 496, 50022-0496 |
| Cats Of Cass County | 908 E 7th St, 50022-1806 |
| Cass County Housing Corporation | 501 E 5th Street, 50022-1367 |
| Cass County Meals On Wheels | 51039 Olive St, 50022-8386 |
| Cass County Helath System Foundation | 1501 E 10th St, 50022-1936 |
| Cass County Cats | 1404 E 17th St, 50022-2405 |
| Cass County Genealogical Society | 507 Poplar St, 50022-1241 |
| Southwest Iowa Family Services Center Inc | Po Box 524, 50022-0524 |
| Southwest Iowa Mental Health Center | 2307 South Olive Street, 50022-9768 |
| Hit City | 1106 Roosevelt Dr, 50022-2316 |
| Friends Of The Outdoor Classroom | Po Box 496, 50022-0496 |
| Family Crisis Support Network | Po Box 11, 50022-0011 |
| Progressive Rural Iowa Developmententerprise | 1413 Chestnut Strett, 50022 |
| Faiths Friends | 301 W 29th St, 50022-2505 |
| Southwest Iowa Fishing Team Inc | 63586 Galveston Rd, 50022-8305 |
| Partnership For Progress Inc | 1207 Sunnyside Ln Ste D, 50022-2229 |
| The Smalley Foundation | Po Box 271, 50022-0271 |
| Helen Welter Foundation Inc | 1006 Sw 7th St-suite 100, 50022-1655 |
| Southwest Iowa Housing Trust Fund Inc | 1501 Sw 7th St, 50022-2206 |
| Sunshine Homes Inc | 1307 Sunnyside Ln, 50022-2205 |
| Produce In The Park Inc | 102 Chestnut St, 50022-1059 |
| Nishna Valley Trails Inc | 2824 Country Club Dr, 50022-2537 |
| Leona Thiele Mckenney Trust | Po Box 496, 50022-0496 |
| Whale Town Properties | Po Box 496, 50022-0496 |
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