| Name | Address, Zip |
| Breast Cancer Alternatives Inc | Po Box 1567, 11930-1567 |
| Amagansett Life-saving And Coast Guard Station | Po Box 51, 11930-0051 |
| Amagansett Free Library | Po Box 2550, 11930-2550 |
| Amber Waves Farm Inc | Po Box 2623, 11930-2623 |
| Champions For Ms And Parkinsons Inc | Po Box 2190, 11930-2190 |
| Jack And Jane Rivkin Foundation | Po Box 2249, 11930-2249 |
| Friends Of San Andres Inc | Po Box 2724, 11930-2724 |
| Anna Mirabai Lytton Foundation | Po Box 625, 11930-0625 |
| Jim Steinmans Rockman Philharmonic Society For The Arts Inc | 2 Shore Rd, 11930-2169 |
| East Hampton Baymens Emergency Medical Fund Inc | Po Box 498, 11930-0498 |
| Janice Blair Whalen Children For Life Foundation Inc | Po Box 2677, 11930-2677 |
| Bradhering Kalouria Foundation | Po Box 1889, 11930-1889 |
| Hamptons First Responder Hockey Charitable Fund | Po Box 2756, 11930-2756 |
| Fred W Piderit Jr & Mary Piderit Memorial Scholarship Fund Holy Chi | Po Box 830, 11930-0830 |
| Donald T Sharkey Memorial Community Fund Inc | Po Box 2196, 11930-2196 |
| Comunidad Cristiana Renacer | Po Box 2765, 11930-2765 |
| East Hampton Trails Preservation Society Inc | Po Box 2144, 11930-2144 |
| Stable Environment Equine Rehabilitation Inc | Po Box 2315, 11930-2315 |
| Hamptons Shakespeare Festival Inc | Po Box 63, 11930-0063 |
| Stony Hill Stables Foundation | Po Box 283, 11930-0283 |
| The Ryan Perry Foundation Inc | Po Box 385, 11930-0385 |
| Riprap Friends Inc | Po Box 466, 11930-0466 |
| Gpo Project Inc | Po Box 774, 11930-0774 |
| Uncommon Org Inc | 5 Hamlin Ln, 11930-2750 |
| Pitch Your Peers Inc | Po Box 719, 11930-0719 |
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