| Name | Address, Zip |
| Ronkonkoma Lodge 2706 Loyal Order Of Moose | 115 Church St, 11779-4161 |
| Kneeling Ambassadors Of Worship Temple | 299 Avenue B, 11779-1915 |
| Order Sons Of Italy In America | 300 Hawkins Ave, 11779-4238 |
| American Rhododendron Society | 272 Avenue C, 11779-1922 |
| American Federation Of Government Employees | 264 Avenue B, 11779-1916 |
| Amvets | 660 Hawkins Ave, 11779-2324 |
| Amvets | 660 Hawkins Ave, 11779-2324 |
| Amvets | 660 Hawkins Ave, 11779-2324 |
| Master Bakers Association Of Nassau & Suffolk Counties Inc | 15 Grand St, 11779-1737 |
| New York State Association Of Manufacturing Retail Bakers Inc | 15 Grand St, 11779-1737 |
| Lake Ronkonkoma Heritage Association | 4 Cherry St, 11779-4338 |
| Uss Donner Memorial Association Inc | 67 Dorchester Rd, 11779-1616 |
| Lake Ronkonkoma Veterans Association Inc | 4 Cherry St, 11779-4338 |
| Rocky Point Revitalization & Beautification Committee Inc | 15 Grand St, 11779-1737 |
| Blue Knights Motorcycle Club | Po Box 170, 11779-0170 |
| Sachem Flag Football Booster Club | 212 Smith Rd, 11779-2229 |
| Friends Of Campbell Town Inc | 9 Dorchester Rd, 11779-1664 |
| Ronkonkoma Jewish Center | 543 Hawkins Ave, 11779-2325 |
| Chogen | 2314 Mill Rd, 11779-1406 |
| St Marys Church | 315 Lake Shore Rd, 11779-3180 |
| Lake Ronkonkoma Civic Organization Inc | Po Box 2916, 11779-0416 |
| Knights Of Columbus | 800 Portion Rd, 11779-1997 |
| Lake Ronkonkoma Historical Commission | 4 Cherry St, 11779-4338 |
| Pta New York Congress | 51 School St, 11779-2231 |
| Pta New York Congress | 212 Smith Rd, 11779-2299 |
| Pta New York Congress | 51 School St, 11779-2231 |
| Pitter Patter Paws Corp | 160 Church St, 11779-4240 |
| Turtle Rescue Of Long Island Corp | 55 Ozark St, 11779-1845 |
| Marine Corps Veterans Long Island Ny Inc | 25 Saint Joseph Ave, 11779-5624 |
| Suffolk County Police Officers Emerald Society Inc | Po Box 1174, 11779-0580 |
| Louis V Digregorio Memorial Foundation Inc | 7 Wedgewood Ct, 11779-2764 |
| Friends Of Flax Pond Inc | 107 Brunswick Rd, 11779-1645 |
| Gentle Shepherd | 17 Barbara Rd, 11779-4301 |
| Locke Society Inc | 76 Warren Ave, 11779-1954 |
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