| Other organizations in Connecticut |
| Id | Name | Address | State | Established | Total Income |
| 1 | Windham Historical Society Incorporated | P O Box 105, Willimantic, CT 06226 | CT | 1968-02 | $0 |
| 2 | Windham Ski Team Association Inc | 120 Leeuwarden Rd, Darien, CT 06820 | CT | 2004-03 | $0 |
| 3 | Windsor Dispensary Clinic Inc | 180 Poquonock Avenue, Windsor, CT 06095 | CT | 2007-05 | $0 |
| 4 | Windsor Jaycees Foundation Inc | Po Box 67, Windsor, CT 06095 | CT | 1977-12 | $0 |
| 5 | Windsor Land Trust Inc | Po Box 213, Windsor, CT 06095 | CT | 2003-04 | $0 |
| 6 | Windsor Locks Scout Foundation Inc | 7 Middle Drive, Windsor Locks, CT 06096-1317 | CT | 1991-09 | $0 |
| 7 | Winsted Congregation Of Jehovahs Witnesses | PO BOX 71, Riverton, CT 06065-0071 | CT | 1970-11 | $0 |
| 8 | Winsted Youth Baseball Association Inc | 170 Holabird Ave, Winsted, CT 06098 | CT | 2012-08 | $0 |
| 9 | Winsted Youth Soccer Assoc | P O Box 527, Winsted, CT 06098 | CT | 2010-04 | $0 |
| 10 | Winter Grove Inc | 235 Grand Ave, New Haven, CT 06513 | CT | 2013-02 | $3,441,626 |
| 11 | Wishes For Horses Inc | 40 Oak Hill Ave, Norwalk, CT 06854 | CT | 2013-01 | $0 |
| 12 | Wmp Concert Hall Corp | 50 Sylvan Rd North, Westport, CT 06880 | CT | 2009-06 | $0 |
| 13 | Wo-Iyopastake Ministry | 57 School House Road, Wallingford, CT 06492 | CT | 2013-05 | $0 |
| 14 | Wolcott Education Foundation Inc | Po Box 6365, Wolcott, CT 06716 | CT | 1997-01 | $0 |
| 15 | Wolcott Historical Society Inc | Po Box 6410, Wolcott, CT 06716 | CT | 1962-03 | $0 |
| 16 | Womans Association Of The United Church Inc | 323 Temple St, New Haven, CT 06511-6602 | CT | 1941-10 | $0 |
| 17 | Womans City Club Of Norwich Incorporated | 543 New London Turnpike, Norwich, CT 06360 | CT | 2013-04 | $0 |
| 18 | Women In India Incorporated | 158 Westway Road, Southport, CT 06890 | CT | 2011-03 | $0 |
| 19 | Womens Caucus For Art-Connecticut | 54 Rockwell Road, Bethel, CT 06801 | CT | 1995-07 | $0 |
| 20 | Womens Intercultural National Group Support, Wings | 48 Hawkins Road, Putnam, CT 06260 | CT | 2004-12 | $0 |
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