BETA Academy

BIM Swim Team

BREAKAWAY Fitness

BT Fitness

Balance Gym

Balance Gym

Balance Studio

Balance Yoga and Pilates

Balanced Fitness Studios

Balanced Fitness Studios

BarkFit

Barre3 Old Town

Barry's

BbG Fitness

Be Free Live Fully

Belle Haven Marina

Bethesda Boxing and Kickboxing Academy

Bethesda Salt Cave

Better Body

Bhakti Yoga DC

Bike Aid

Biker Barre

Blackout Boxing

Boating in DC - Thompson Boat Center