Group for the East End:
http://www.eastendenvironment.org/gee_home.html
Long Island Farm Bureau:
http://www.lifb.com/
Nature Conservancy Long Island:
http://www.nature.org/wherewework/northamerica/states/newyork/preserves/art13653.html
North Fork Audubon:
http://www.northforkaudubon.org/Gui/Home.aspx
North Fork Environmental Council:
http://www.nfec1.org/
Northeastern Organic Farmers Association:
http://nofany.org/index.html
Peconic BayKeeper:
http://www.peconicbaykeeper.org/
Peconic Land Trust:
http://www.peconiclandtrust.org/
Pine Barrens Society:
http://www.pinebarrens.org/
Renewable Energy Long Island:
http://www.renewableenergylongisland.org/
The Riverhead Foundation for Marine Research and Preservation
http://www.riverheadfoundation.org/