John & Anna Newton Porter Foundation

A summer camp for boys since 1924 on Lake Winnipesaukee in Alton Bay, New Hampshire.

• Recreational, Pleasure, or Social Club

• 974.

Apple Country Snowmobile Club

Celebrating 50 years keeping the trails smooth and the gates open.

• History Museums

• 975.

Old Trail Museum

PRESERVE, RESEARCH AND INTERPRET TO THE PUBLIC THROUGH ITS COLLECTIONS, EXHIBITS AND PROGRAMS; THE PHYSICAL AND CULTURAL HERITAGE OF THE ROCKY MOUNTAIN FRONT REGION IN THE STATE OF MONTANA.

• Winter Sports (Snow and Ice)

• 976.

Tiroler Ski Club

The Tiroler Ski Club is a Philadelphia area group with over 50 years of quality ski experiences and lasting friendships.

• Amateur Sports Clubs, Leagues

• 977.

Road Runners Club of America

Home of the HURL Elkhorn Endurance Runs Elkhorn Endurance Runs Brought to you by the Helena Ultra Runners League HURL Main menu Elkhorn Endurance Runs SATURDAY AUGUST 2 2025 50M 5am 50k 7am 13.

• Leadership Development

• 978.

Midcoast Outdoor Leadership Initiative

Sundog Outdoor Leadership Initiative builds character and outdoor skills by connecting youth with nature, peers, and community.

• Parks and Playgrounds

• 979.

Madeline Island Trails

Home Trails and Maps Projects Get InvolvedEvents About Us More An allvolunteer nonprofit dedicated to stewardship of Madeline Island trails for everyone to enjoy For trail updates and more follow us on X Twitter madelinetrails Click Yellow Button To Donate Keep close to Natures heart and break clear away once in awhile and climb a mountain or spend a week in the woods.

• Natural Resource Conservation and Protection

• 980.

ANCHORAGE PARK FOUNDATION

Working together to improve the parks and trails you love.

• Public Foundations

• 981.

Boy Scouts of America Longhorn Council Properties Foundation Inc

With fun, adventure, and discovery at every turn, Scouting makes the most of right now.