Riverside Gardens Swim and Tennis Club

Rock 'n' Roll Running Series USA

Rock Recovery

Rumble Boxing

Rush Cycle

SEAL Team Physical Training

SPENGA - Ballston

STRNG Pain-Free Performance

Safety And Health Foundation

Salsa With Silvia

Sergeant's Fitness Concepts

Sergeant’s Fitness Concepts

Sierra Club

Soka Tribe Dance Fitness

Soulex Float Spa

SparkFire Fitness

SpiritBody Movement & Wellness Center

Sport&Health

SteadyGlo

Step Afrika!

Strong Mind Strong Will Fitness

Studio Barre - Alexandria

Studio Body Logic

Sweat DC