- Trimboli Hockey
- Tualatin Hills Synchronized
- Tulsa Rowing Club
- Twin Town Senior Baseball Lg
- Twin Town Senior Baseball Lg
- Twinsburg Baseball League
- U S Speedskating
- U S Tennis Assn
- U Sta Midwest
- United States Junior Golf Assn
- United States Luge Assn
- Us Bobsled Federation
- USA Track & Field Of Oregon
- USA Track & Field-Ohio Assoc
- USTA Midwest
- Valley Babe Ruth League Inc
- Varsity Athletic Club
- Versailles Football
- W Ny Amateur Hockey League
- Wappingers Pop Warner Football
- Warren Township Boys Baseball
- Warwick Youth Basketball
- Wayne Pee Wee Football Assn
- We Care Sports Program
- West Albany Athletic Assoc
- West Alex Bsbll Organization
- West Chester Soccer Club
- West Genesee Athletic Club
- West Side Athletic Club
- West Side Rowing Club Inc
- Westbury Boxing Club
- Westchester Flames Soccer Club
- Westerly Pee Wee Football
- Willoughby South Football
- Woodhaven Athletic Club Inc
- Wooster Youth Baseball
- World Yacht Clippers Baseball
- WTBL Inc
- Y-City Midget League Baseball
- YMCA
- YMCA
- Yorktown Athletic Club
- Young Athletes Inc
