| Name | Address, Zip |
| Combat Veterans Motorcycle Association - Chapter 39-5 | 1025 N 4th Ave, 52353-2507 |
| Changing Ourselves Actively & Productively | Po Box 368, 52353-0368 |
| Washington Special Needs Activities Inc | 520 S Avenue B, 52353-1405 |
| Independent Child & Adult Services Inc | Po Box 146, 52353 |
| Pure Water For All Foundation Inc | 403 W Main St, 52353-1726 |
| Amateur Athletic Union Of The United States Inc | 806 S 2nd Ave, 52353-1108 |
| Washington Area Amateur Radio Club | 802 N 2nd Ave, 52353-2404 |
| National Society Of The Daughters Of The American Revolution | 609 N 2nd Ave, 52353-2305 |
| Lets Center For The Healing And Creative Arts | 120 S Iowa Ave, 52353-2011 |
| Washington Area Softball Association Inc | 3080 Coppock Rd, 52353-9461 |
| Washington Area Soccer Program | Po Box 663, 52353-0663 |
| Washington Area Performing Arts & Events Center | 831 S 13th Ave, 52353-1300 |
| Washington Area Youth Supporters Inc | Po Box 311, 52353-0311 |
| Washington County Veterans Memorial Association | 210 N Iowa Ave, 52353-1913 |
| Washington County Fair Association | Po Box 485, 52353-0485 |
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| Iowa Choral Directors Association Inc | 220 North H Ave Unit B, 52353-1977 |
| Iowa Choral Directors Association Endowment Fund Inc | 220 North H Ave Unit B, 52353-1977 |
| Washington County Ems Association | 215 E Washington St, 52353-2024 |
| Young Womens Christian Association | 2345 265th St, 52353-9313 |
| Washington Athletic Booster Club Inc | 3002 Quince Ave, 52353-9324 |
| Better Health For Iowans Foundation Inc | Po Box 453, 52353-0453 |
| Washington Iowa Betterment Foundation | Po Box 462, 52353-0462 |
| Blair House Nonprofit Corp | Po Box 308, 52353-0308 |
| Stewart Boosters Inc | 821 N 4th Ave, 52353-2407 |
| Washington Music Boosters Inc | 1111 S Avenue B, 52353-1004 |
| United States Bowling Congress Inc | 2695 Airport Rd, 52353-9336 |
| Washington County Mini Bus Inc | 1010 W 5th St, 52353-2358 |
| Camp R E E C E | 620 N Avenue C, 52353-2344 |
| Hawkeye Cans For Cancer Inc | 2170 Stewart Dr, 52353-9604 |
| Hamakua Youth Center | 604 S Iowa Ave, 52353-1452 |
| Lake Darling Youth Center Inc | Po Box 867, 52353-0867 |
| Community Chest Of Washington Iowa | Po Box 86, 52353-0086 |
| Washington Choral Society Inc | 633 W Monroe St, 52353-1633 |
| Demon Gridiron Club | 1111 S Avenue B, 52353-1004 |
| Coalition For Senior Or Community Services | 107 W Washington St, 52353-2035 |
| Riverside Community Foundation Incorporated | Po Box 929, 52353-0929 |
| Wedg Community Foundation Inc | Po Box 908, 52353-0908 |
| Washington Community Theater Inc | Po Box 347, 52353-0347 |
| New Day Community Outreach | 727 N Avenue C, 52353-2447 |
| Community Foundation Of Washington County Inc | 831 S 13th Ave, 52353-1300 |
| Washington Community School District Foundation | Po Box 308, 52353-0308 |
| Winfield Community Wellness Corporation | 2190 Waters Way, 52353-9396 |
| Duo Compassion | Po Box 522, 52353-0522 |
| Washington County Conservation Foundation | 1506 N Marion Ave, 52353-2830 |
| Kids Corral Inc | 1509 E Washington St Ste 3, 52353-2138 |
| Southeast Iowa Emergency Medical Services Council | Po Box 24, 52353-0024 |
| Hospice Of Washington County Inc | 948 E 11th St, 52353-2633 |
| Washington County Enrichmentfoundation Inc | 1314 Woodland Ct, 52353-9392 |
| Redeeming Hope Crusades | 717 S 9th Ave, 52353-1541 |
| Iowa P E O Project Fund Inc | 2879 Wayland Rd, 52353-9329 |
| Farm To Film Fest Inc | 205 W Main St, 52353-1722 |
| Gospel Film Project | 717 S 9th Ave, 52353-1541 |
| Fluffybutts Rescue Resort Incorporated | 1002 E Jefferson St, 52353-1831 |
| Habitat For Humanity International Inc | Po Box 513, 52353-0513 |
| Latinos For Washington | Po Box 695, 52353-0695 |
| Washington For Justice | 2480 Robbins Ct, 52353-9602 |
| Society For Youth Inc | 711 S 4th Ave, 52353-1512 |
| Handicap Housing Foundation Inc | 2747 E Trio Ln, 52353-9334 |
| Washington Free Public Library Foundation | 115 W Washington St, 52353-2035 |
| Saint James Foundation Inc | Po Box 867, 52353-0867 |
| Lincoln Parent Teacher Group | 606 S 4th Ave, 52353-1511 |
| House Of Heros | 1601 N 4th Ave, 52353-2809 |
| Washington High School Pto | 1111 S Avenue B, 52353-1004 |
| Washington Railroad Historical Society Inc | 2010 W Main St, 52353-2949 |
| United Presbyterian Home | 1203 E Washington Street, 52353-2168 |
| Music Inc | 2480 Robbins Ct, 52353-9602 |
| Wcdc Inc | Po Box 61, 52353-0061 |
| Tribulation & Trust Ministry Inc | 604 S Iowa Ave, 52353-1452 |
| Main Street Washington Inc | 120 E Main St Ste 6a, 52353-2057 |
| Love Our Kids | Po Box 371, 52353-0371 |
| Rock N Ride | 1314 Woodland Ct, 52353-9392 |
| Sonshine Outreach | 704 W Main St, 52353-1630 |
| Washington Wellness Park | 401 Westview Ct, 52353-2907 |
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