| Other organizations in Iowa |
| Id | Name | Address | State | Established | Total Income |
| 1 | William O & Lucille I Wharff Charitable Remainder Tr, Wharff William O & Lucille I Ttee | 200 N 5th St, Clinton, IA 52732-7123 | IA | | $0 |
| 2 | William P Hansen Charitable | 205 Commons, Cedar Falls, IA 50614-0001 | IA | | $0 |
| 3 | William P Olson Charitable Rem Unitr, Olson William P Ttee | 1015 E 4th St, Spencer, IA 51301-5117 | IA | | $0 |
| 4 | William R Shuttleworth Charitable Remainder Unitr 122993, Coe College Ttee | 1220 1st Ave Ne, Cedar Rapids, IA 52402-5008 | IA | | $0 |
| 5 | Williamsburg Education Association | 240 Classic Car Ct Sw Suite B, Cedar Rapids, IA 52404 | IA | 1988-05 | $0 |
| 6 | Willis Fam Charitable Tr Ua 063095, Willis Gerald R & Gladys I Ttee | 3348 Sunburst Dr, Bettendorf, IA 52722-8300 | IA | | $0 |
| 7 | Wilma I Sanders Charitable Remainder Unitrust, Sanders Donald E Ttee | 1816 Churchill Dr, Dubuque, IA 52001-4023 | IA | | $0 |
| 8 | Wilton Education Association | 1035 Lincoln Road Suite 301, Bettendorf, IA 52722 | IA | 1978-05 | $0 |
| 9 | Winebago-Hancock Repeater Society | 1015 330th St, Forest City, IA 50436 | IA | 1981-08 | $0 |
| 10 | Winfield Historical Society | Po Box 69, Winfield, IA 52659 | IA | 2014-07 | $0 |
| 11 | Winfield Mt Union Education Association | 109 North Court, Ottumwa, IA 52501 | IA | 1983-02 | $0 |
| 12 | Winnie Korns | 2443 Ruby Road, Mount Pleasant, IA 52641 | IA | | $0 |
| 13 | Winnike Charitable Remainder Uni Tr Agreement, Winnike James Eugene Ttee | 2210 Ave H Apt 310, Fort Madison, IA 52627-4045 | IA | | $0 |
| 14 | Winterset Educational Support Employees Association | 777 Third Street Suite 110, Des Moines, IA 50309 | IA | | $0 |
| 15 | Woden-Crystal Lake Education Assn | 808 Us Highway 18 W, Clear Lake, IA 50428 | IA | 1990-02 | $0 |
| 16 | Women Marines Association | 1014 Virginia Ave, Des Moines, IA 50315-2248 | IA | 1973-04 | $548 |
| 17 | Woodbine Education Association | 106 W Washington Ave, Red Oak, IA 51566 | IA | 1989-04 | $0 |
| 18 | Woodbury Central Education Association | 1119 4th Street Suite 213, Sioux City, IA 51101 | IA | 1988-01 | $0 |
| 19 | Woodland Church Ministries Inc | PO BOX 83, Mondamin, IA 51557-0083 | IA | 2010-07 | $0 |
| 20 | Woodmen Of The World Assured Life Association, Kimballton-Elk Horn Lodge 341 | 4413 Main Street, Elk Horn, IA 51531-2001 | IA | 1940-08 | $0 |
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