Long Island Families Together (LIFT)
- Group helps families with children that are receiving mental health services. Includes organization history, list of board of directors, and events.
- http://www.lift4kids.org/

Long Island Progressive Coalition
- Community organization promoting sustainable development, community revitalization, effective democracy, and economic, social, and racial justice. About its history, campaigns, issues, and local chapters.
- http://lipc.org/

Island Harvest
- Rescues and distributes food to hungry people. Photo gallery, press releases, how to donate, information on special events, and hunger facts. Part of the America's Second Harvest network.
- http://www.islandharvest.org/

Ronald McDonald House
- Provides housing for families who have seriously ill children being treated at area hospitals and other local medical facilities.
- http://www.rmhlongisland.org/

Long Island Women's Agenda
- LIWA'S goal is to provide a balance of information in all matters pertaining to health and to address issues that affect women.
- http://www.liwa.org/

Long Island Coalition For Life
- Features pro-life literature, services, and news for the local New York community.
- http://www.prolifeli.org/

The Health & Welfare Council of Long Island
- A not for profit, health and human services planning, education and advocacy organization that serves Long Island's poor and vulnerable people.
- http://www.hwcli.com

Mommas Inc.
- A home for young mothers aged 17 to 21 years and their babies, offering education and vocational assistance. Organisation aims, newsletter, volunteer information, fundraisindg events list, and contact details included.
- http://www.mommashouse.org/

Long Island Chapter, US Lighthouse Society
- All volunteer, nonprofit organization established to assist in the restoration and preservation of the lighthouses of the Long Island, New York area.
- http://www.lilighthousesociety.org/

Long Island Greyhound Transfer
- Not for profit organization that devotes itself to the saving of ex-racing greyhounds. All donations are tax-deductable. Has online adoption forms.
- http://ligreyhound.org

Long Island Farm Bureau
- Non-profit organization that lobbys on all levels of government with regards to issues that affect the industry. Information available on Long Island agricultural industry, including a farmstand and pick-your-own guide.
- http://www.lifb.com/

Women Economic Developers of Long Island
- WEDLI is a not for profit organization whose goals are to foster economic development.
- http://www.wedli.org/

Fathers' Rights of Long Island New York
- Provides information for people facing and experiencing divorce or separation.
- http://www.fathersrightsnys.com/LongIsland/