Swim League affiliates:
- Atholton Swim Club
- Chartridge
- Crofton Swim & Tennis Club
- Crofton Village
- Crosby Crossing Swim Club
- Dulaney Swim Club
- Forest Hill Swim & Tennis Club
- Five Oaks Swim Club
- Hunting Hills Swim Club
- Meadowbrook
- Olde Mill Swim Club
- Padonia Park Club
- Shipley's Choice Swim & Tennis Club
- South Carroll Swim Club
- Springlake Swim Club
- St. Andrews Swim & Tennis Club
- Watermont Swim Club
- Waugh Chapel Swim Club
- Westminster Riding Club
- Wynnewood
- Western Family (Catonsville) YMCA Swimming
- Maryland USS Swimming
- Black History Month Swim Meets