| Other organizations in Iowa |
| Id | Name | Address | State | Established | Total Income |
| 1 | Blakesburg Sunset Manor Inc | PO BOX 476, Algona, IA 50511-0476 | IA | 1985-03 | $65,687 |
| 2 | Blanchard Cemetery Perpetual Care Trust | PO BOX 237, Clarinda, IA 51632-0237 | IA | 1984-10 | $2,318 |
| 3 | Blanche Carey Martin Charitablr Tr | PO BOX 8, Clear Lake, IA 50428-0008 | IA | 1977-09 | $54,880 |
| 4 | Blanden Charitable Foundation | 920 3rd Ave S, Fort Dodge, IA 50501-4723 | IA | 1973-01 | $144,194 |
| 5 | Blank Park Zoo Foundation Inc | 7401 Sw 9th St, Des Moines, IA 50315-6667 | IA | 1981-12 | $13,057,482 |
| 6 | Blessed Oaks Youth Christian Center | PO BOX 134, Kellerton, IA 50133-0134 | IA | 2002-11 | $65,325 |
| 7 | Blessman Medical Ministries Inc | 2557 106th St, Urbandale, IA 50322-3766 | IA | 2002-04 | $832,622 |
| 8 | Blin Family Foundation Of Independence Iowa Inc | 2300 Swan Lake Blvd Ste 303, Independence, IA 50644-9708 | IA | 2000-08 | $270,514 |
| 9 | Bloomfield Community Housing | PO BOX 215, Stanwood, IA 52337-0215 | IA | 1978-02 | $276,404 |
| 10 | Bloomfield Country Club | 1205 E Franklin St, Bloomfield, IA 52537-1742 | IA | 2002-01 | $203,854 |
| 11 | Bloomfield Main Street Inc | 101 E Jefferson St, Bloomfield, IA 52537-1606 | IA | 2001-05 | $137,843 |
| 12 | Blue Grass Community Club | PO BOX 122, Blue Grass, IA 52726-0122 | IA | 1983-07 | $112,398 |
| 13 | Bluff Harbor Yacht Club | PO BOX 22, Burlington, IA 52601-0022 | IA | 1997-01 | $1,560 |
| 14 | Bluffs Arts Council | 209 Pearl Suite 106b, Council Bluffs, IA 51503-0826 | IA | 1983-02 | $117,959 |
| 15 | Bluffs Arts Foundation | 209 Pearl St, Council Blfs, IA 51503-0826 | IA | 1999-01 | $1,080 |
| 16 | Blumenthal Family Foundation | 951 S 35th St, W Des Moines, IA 50265-5309 | IA | 1988-01 | $161 |
| 17 | Bmw Car Club Of America Inc, Iowa Chapter Bmw Cca | Po Box 42113, Urbandale, IA 50323-0981 | IA | 2007-02 | $0 |
| 18 | Board Of Trustees Grand Charity Fund Grand Lodge Of Iowa A F & A M, Iowa Masonic Nursing Home | 2500 Grant Street, Bettendorf, IA 52722-5092 | IA | 1946-12 | $6,769,073 |
| 19 | Boat Foundation Inc | 915 Elm St, Pella, IA 50219-1022 | IA | 1984-09 | $12,500 |
| 20 | Bob Feller Museum Inc | PO BOX 95, Van Meter, IA 50261-0095 | IA | 1990-12 | $323,296 |
| 21 | Bobcat Capital Support Foundation | Po Box 421, Epworth, IA 52045 | IA | 2001-05 | $0 |
| 22 | Bobcat Choral Music Parents | PO BOX 379, Epworth, IA 52045-0379 | IA | 2007-06 | $7,114 |
| 23 | Bock Family Foundation Inc | PO BOX 602, Perry, IA 50220-0602 | IA | 2003-02 | $216,406 |
| 24 | Bolin Foundation | PO BOX 912, Sioux City, IA 51102-0912 | IA | 2002-11 | $3,040 |
| 25 | Bonaparte Development Inc | PO BOX 96, North English, IA 52316-0096 | IA | 1980-10 | $82,640 |
| 26 | Bondurant Community Library Foundation | Po Box 36 105 Main St Se, Bondurant, IA 50035 | IA | 2008-07 | $0 |
| 27 | Bondurant Soccer Club | PO BOX 5, Bondurant, IA 50035-0005 | IA | 2000-10 | $46,916 |
| 28 | Bondurant-Farrar Education Foundation | PO BOX 212, Bondurant, IA 50035-0212 | IA | 2009-04 | $30,468 |
| 29 | Boone Area Chamber Of Commerce | 903 Story St, Boone, IA 50036-2714 | IA | 1949-03 | $236,525 |
| 30 | Boone City Parks Foundation | 724 Lincoln Ave, Boone, IA 50036-4731 | IA | 1997-11 | $33,320 |
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