• Natural Resource Conservation and Protection

• 1936.

Friends of Alaskan Nationalwildlife Refuges

The Friends of Alaska National Wildlife Refuges promote the conservation of all 16 National Wildlife Refuges in Alaska through education and outreach, advocacy, and direct support - volunteering and financial.

• Water Resource, Wetlands Conservation & Management

• 1937.

Wissahickon Waterfowl Preserve

Wissahickon Trails is a non-profit that connects land, water, and people in the Montgomery County portion of the Wissahickon Valley.

• International Development, Relief Services

• 1938.

Rivers of the World Row Foundationinc

Rivers of the World Foundation stemmed from the persuasion to revive the Yamuna River for decades.

• Recreational, Pleasure, or Social Club

• 1939.

Great Lakes Cruising Club

Celebrating 80 years enhancing cruising on the Great Lakes.

• Water Resource, Wetlands Conservation & Management

• 1940.

Cyc Lake Association

The Cobbosseecontee Lake Association operates as a vital lake association dedicated to the preservation of Lake Cobbosseecontee.

MARINE RESOURCES COUNCIL OF EAST FLORIDA INC

A charitable nonprofit dedicated to protecting and restoring the Indian River Lagoon through Science, Education, & Advocacy.

• Parks and Playgrounds

• 1942.

Recreational Trails Inc

Montana's Premier Urban Trail Network - The Official River's Edge Trail fan page managed by the Rive DEVELOP AND MAINTAIN RECREATIONAL TRAILS ABOUT the trail foundation Stretching almost 60 miles along both sides of the Missouri River Rivers Edge Trail provides the perfect opportunity for walking hiking jogging skating cycling and mountain biking.

COLORADO RIVER WATER USERS

The Colorado River Water Users Association is a non-profit, non-partisan organization providing a forum for exchanging ideas and perspectives on Colorado River Colorado River Water Users Association CRWUA Mission The Colorado River Water Users Association is a nonprofit nonpartisan organization providing a forum for exchanging ideas and perspectives on Colorado River use and management with the intent of developing and advocating common objectives initiatives and solutions.

RIVER BEND NATURE CENTER INC

River Bend Nature Center is a 501(c)3 non-profit, funded by generous donations and memberships from citizens and corporations and programs that support our mission to "Inspiring curiosity, respect and care for nature.