| Amagansett Teachers Association | | Middle Country Teachers Association |
| Assn of Educational Staff Developers of Eastern Suffolk BOCES | | Middle Island Teachers Association |
| Bellport Teachers Association | | Miller Place Teachers Association |
| BOCES Educators of Eastern Suffolk | | Montauk Teachers Association |
| Bridgehampton Teachers Association | | Mount Sinai Teachers Association |
| Brookhaven Health Professionals | | Oysterponds Faculty Association |
| Center Moriches Paraprofessionals | | Patchogue Medford Congress of Teachers |
| Center Moriches Public Schools Office Staff Association | | Quoque Teachers Association |
| Center Moriches Teachers |
