C2 Fitness Center

CCI Health Services

CD Fit

CYCLED! Takoma Park

Capital Aikikai

Capital Pilates Studio

Capital Rowing Club

Capital Sprints

Capital Wellness

Capoeira DC

Catholic University Women's Lacrosse

Center for Integrative Medicine

CenterPointe

Chevy Chase Athletic Club

Chevy Chase Ballroom

Clarendon Personal Training

Cloverly PTA

Club Pilates

Coach Debbee

Coach Nix Fit

College Park Mixed Martial Arts

Core 6 Pilates

CrossFit DC - H Street

CrossFit Hard