Capital Aikikai

Capital Pilates Studio

Capital Sprints

Capital Wellness

Capoeira DC

Catholic University Women's Lacrosse

Center for Integrative Medicine

CenterPointe

Chevy Chase Athletic Club

Chevy Chase Ballroom

Cloverly PTA

Club Pilates

Club Pilates

Coach Debbee

Coach Nix Fit

College Park Mixed Martial Arts

Core 6 Pilates

CrossFit DC - H Street

CrossFit Hard

Crossings Healing and Wellness

Cut Seven

DC Department of Parks and Recreation

DC Fit at Union Market

DC Judo