• Swimming, Water Recreation

• 550.

Wooden Canoe Heritage Association Ltd

A non-profit membership organization devoted to preserving, studying, building, restoring, and using wooden and bark canoes, and to disseminating information about canoeing heritage throughout the world.

• Professional Societies & Associations

• 551.

United States Trotting Association

Official breed registry and record-keeper for the Standardbred horse and the sport of harness racing.

MYTEAM TRIUMPH INC

myTEAM TRIUMPH is an athletic ride along for children, teens, adults and veterans with disabilities who would normally not be able to experience endurance events such as triathlons or road races.

• Olympics Committees and Related International Competitions

• 553.

ATHLETES WITHOUT LIMITS

Empowering athletes with intellectual impairments to reach their highest level in sport and life.

• Sports Training Facilities

• 554.

Wyandotte Boat Club

Celebrating 150 years of Rowing in 2025.

• Swimming, Water Recreation

• 555.

Davis Island Youth Sailing Foundation Inc

TO PROVIDE YOUTH WITH THE OPPORTUNITY TO SAIL, THROUGH CAMPS HELD DURING THE SUMMER AND SPRING SCHOOL BREAKS.

US Speedskating

Official Twitter account of US Speedskating.

Catalina Channel Swimming Federation

Our goals are to promote interest in Catalina Channel Swimming, advise those intending to make the swim, promote the safety of the swimmer, observe and authenticate persons who swim the Catalina Channel and gather and preserve historical data.

• Swimming, Water Recreation

• 558.

Imperial Water Polo Club

HaBa WaBa is an internationally recognized water polo event for young athletes.