- Friends of LIMSAT
 - Melville - - The Long Island Museum of Science and Technology. - Kindertransport Association, The (KTA)
- Hicksville - Not-for-profit organisation of child Holocaust survivors who were sent, without their parents, from Austria, Germany, Poland, and Czechoslovakia to Great Britain.
- Long Island Citizens for Community Values
- Huntington - Strives to reduce sexual violence and victimization by educating about the harmful effects and crimes associated with pornography.
- Long Island Neighborhood Network
- Massapequa - Not-for-profit, non-partisan public interest lobby group which engages in public education, research, legal action, and advocacy on environmental, taxpayer, and good government issues.
- Long Island Wine Council
- Guide to local wine country with links to vineyards, events and more.
- Sportsmen's Association for Firearms Education (SAFE)
- Commack - Long Island (NY) based grassroots organisation that educates the public and government about the right to keep and bear firearms.
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