| Name | Address, Zip |
| Ancient Free & Accepted Masons Of Iowa | 527 Main St, 50461-1216 |
| Ancient Free & Accepted Masons Of Iowa | 17 Maple Ln, 50461-1544 |
| Osage Aces Volleyball Club | 219 S 10th St, 50461-1554 |
| Osage Alano Society | 621 Main St, 50461-1307 |
| Christian And Missionary Alliance Church Of Osage Iowa | 726 State St, 50461-1440 |
| Future Farmers Of America State Associations & Local Chapter | 3469 Shadow Ave, 50461-8549 |
| American Legion Auxiliary | 504 Main St, 50461-1217 |
| American Legion Auxiliary | 504 Main St, 50461-1217 |
| American Legion Auxiliary | 3719 Kirkwood Ave, 50461-8234 |
| American Legion | 504 Main St, 50461-1217 |
| Fine Arts Council Of Mitchell County | 418 S 8th St, 50461-1442 |
| Cedar River Recreation & Fine Arts | 809 Sawyer Dr, 50461-1402 |
| Iowa Cattlemens Association | 3748 Indigo Ave, 50461-8006 |
| Mitchell County Historic Preservation Association | Po Box 193, 50461-0193 |
| Iowa Shorthorn Breeders Association | 1291 400th St, 50461-8078 |
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| Iowa Association Of County Conservation Boards | Po Box 330, 50461-0330 |
| Mitchell County Concert Association | 309 S 8th St, 50461-1410 |
| Osage Fire Fighters Association | Po Box 161, 50461-0161 |
| International Association Of Lions Clubs | 17 Maple Ln, 50461-1544 |
| Department Of Iowa Auxiliary To The Veterans Of Foreign Wars | 218 N 6th St, 50461-1203 |
| Mitchell County Food Bank Corporation | Po Box 150, 50461-0150 |
| First Baptist Church | 218 N 7th St, 50461-1348 |
| Wayne Baptist Church | 1105 N 7th St, 50461-1363 |
| Feekes Veteran Benefit Fund | 2310 340th St, 50461-8504 |
| Osage Economic Betterment | 1429 Main St, 50461-1822 |
| Osage Booster Club | Po Box 213, 50461-0213 |
| New Haven Booster Club | 3032 380th St, 50461-8528 |
| United States Bowling Congress Inc | 302 Main St, 50461-1123 |
| United States Bowling Congress Inc | 210 Lyndale Ave, 50461-2031 |
| Sunny Brae Golf & Country Club Inc | Po Box 177, 50461-0177 |
| Iowa Farm Bureau Federation | 709 Main St, 50461-1446 |
| Osage Community Day Care | 510 Mechanic St, 50461-1134 |
| Green Devils Care | 1479 380th St, 50461-8060 |
| Catholic Education Foundation Inc | 810 Lime Kiln Rd, 50461-8342 |
| Cedar Valley Seminary Foundation Inc | Po Box 334, 50461-0334 |
| Mighty Rock Worship Center | 521 Maple St, 50461-1218 |
| Osage Chamber Of Commerce Incorporated | 704 Main St, 50461-1447 |
| Osage Rotary Charities | 621 Main St, 50461-1307 |
| Osage Community Chest | 628 Main St, 50461-1308 |
| Rural Childrens Opportunity Foundation | 1105 N 7th St, 50461-1363 |
| Our Saviors Lutheran Church | 833 Ash St, 50461-1414 |
| Rock Creek Evangelical Lutheran Church | 3269 Foothill Ave, 50461-8143 |
| St John Lutheran Church Of Rock Township | 1202 390th St, 50461-8074 |
| Saint John Lutheran Church | Po Box 153, 50461-0153 |
| Sacred Heart Church Osage Ia | 218 S 12th St, 50461-1725 |
| Visitation Church Stacyville Ia | 218 S 12th St, 50461-1725 |
| Osage Senior Citizens | Po Box 334, 50461-0334 |
| Community Sister City Organization Inc | 933 Chase St, 50461-1540 |
| Osage Conservation Club | 1209 Mechanic St, 50461-1831 |
| Tops Club Inc | 3714 Kirkwood Ave, 50461-8234 |
| Little Devil Mat Club Inc | 2112 332nd St, 50461-8583 |
| Knights Of Columbus | 451 Kirkwood Ave, 50461-8345 |
| Education Foundation Of The Osage Community Schools | 628 Main St, 50461-1308 |
| Iowa Trust For Local Conservation | Po Box 330, 50461-0330 |
| Iowa Trails Council Inc | 3662 River Rd, 50461-8005 |
| Mitchell County Memorial Hospital | 616 N 8th St, 50461-1456 |
| Mitchell County Mountain Goats | 1531 Main Street, 50461 |
| Mitchell County Economic | Po Box 306, 50461-0306 |
| Mitchell County Environmental Education Foundation | 18793 Highway 9, 50461-8161 |
| Miracle Tree Of Mitchell County Inc | 810 Lime Kiln Rd, 50461-8342 |
| Mitchell County Historical Society | Po Box 51, 50461-0051 |
| Mitchell County Memorial Foundation Inc | 616 N 8th St, 50461-1456 |
| Mitchell County E-z Riders Inc | 915 Poplar St, 50461-1512 |
| Veterans Of Foreign Wars Of The United States Dept Of Iowa | 3693 Highway 218, 50461-8236 |
| Diamond Devils | 219 S 10th St, 50461-1554 |
| Dyscalculia Training & Research Institute | 403 Chase St, 50461-1120 |
| Faith Lutheran Home | 914 Davidson Dr, 50461-1475 |
| Habitat For Humanity International Inc | Po Box 102, 50461-0102 |
| Room For Me | Po Box 14, 50461-0014 |
| Warmth For Humanity Project | 2313 385th St, 50461-8385 |
| Mary Lou Salisbury Foundation | Po Box 360, 50461-0360 |
| Precisionnaires Foundation | 3507 Golf Course Rd, 50461-8584 |
| Mcs Foundation Inc | 621 Chestnut St, 50461-1333 |
| Midwest Gospel Ministries | 1103 Main St, 50461-1730 |
| Myteam Triumph Inc | 614 Main St, 50461-1308 |
| Running With Ryan Inc | 729 Main St, 50461-1446 |
| Kiwanis International Inc | 628 Main St, 50461-1308 |
| Shop On State Inc | Po Box 27, 50461-0027 |
| Safe Ride Of Osage Inc | 1227 Chase St, 50461-1814 |
| Rotary International | 621 Main St, 50461-1307 |
| Osage Parent Teacher Organization | 515 Chase St, 50461-1214 |
| Our Saviours Squadron | 218 W Main St, 50461-1043 |
| Shared Table | 621 Main St, 50461-1307 |
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