| Name | Address, Zip |
| University Of Connecticut Rugby Football Club Alumni Association | 25 Staeth Rd, 06424-1349 |
| Amateur Athletic Union Of The United States Inc | 28 Whispering Woods Rd, 06424-6101 |
| National Society Of The Daughters Of The American Revolution | 12 Birchwood Dr, 06424-1312 |
| Epoch Arts Inc | 27 Skinner Street, 06424-1703 |
| The Young Peoples Center For Creative Arts Inc | 10 Eastham Bridge Rd, 06424-1372 |
| East Hampton Old Home Day Assoc Inc | Po Box 213, 06424-0213 |
| East Hampton Youth Football & Cheerleading Association Inc | Po Box 346, 06424-0346 |
| No Athlete Left Behind | 20 Cornwell Ter, 06424-1402 |
| East Hampton Volunteer Food Bank Inc | 43 W High St, 06424-1024 |
| Little League Baseball Inc | 38 Mott Hill Rd, 06424-1327 |
| Little League Baseball Inc | Po Box 46, 06424-0046 |
| Friends Of Belltown Softball Inc | 63 White Birch Rd, 06424-1331 |
| Benny Fund Inc | 83 Wopowog Rd, 06424-1674 |
| Blackledgemusic Inc | 48 White Birch Rd, 06424-1330 |
| Ehhs Music Boosters Inc | 15 N Maple St, 06424-1018 |
| East Hampton High School Boosters | Po Box 32, 06424-0032 |
| Sandy Peszynski Breast Cancer Foundation Inc | 93 E High St, 06424-1540 |
| Core Trauma Healing Center | Po Box 298, 06424-0298 |
| Richard Klett Charitable Foundation | 185 Wopowog Rd, 06424-1648 |
| East Hampton Lions Charities Inc | Po Box 153, 06424-0153 |
| Kids Of Chatham Organization Inc | 12 Long Crossing Rd, 06424-2121 |
| Federated Garden Clubs Of Connecticut Inc | 4 Tall Wood Dr, 06424-2310 |
| Helping Hands Of East Hampton Ct Co | 57 E High St, 06424-1020 |
| Commun-it Solutions | 27 Peach Farm Rd, 06424-1604 |
| Podium Players Community Theater Inc | Po Box 66, 06424-0066 |
| Texas Flyers Dog Rescue | 135 Hog Hill Rd, 06424-1867 |
| Friends Of East Hampton Football Inc | 15 N Maple St, 06424-1018 |
| East Hampton Rotary Foundation Inc | Po Box 358, 06424-0358 |
| East Hampton Parent Teacher Organization Inc | 20 Smith St, 06424-1677 |
| Friends Of The East Hampton Public Library Inc | 105 Main St, 06424-1105 |
| East Hampton Middle School Parent Teacher Organization Inc | 19 Childs Rd, 06424-1709 |
| East Hampton High School Project Graduation-ehhs | 15 N Main Street, 06424 |
| East Hampton High School Parent Teacher Organization Inc | 15 N Maple St, 06424-1018 |
| Friends Of Lake Pocotopaug Inc | 22 Mallard Cv, 06424-1033 |
| Lynde Point Lighthouse Preservation Inc | 244 Middletown Ave, 06424-2125 |
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