Be the Light Yoga Studio

Beacon Hill Yoga

Beacon Hill Yoga/REPS

Beantown Bootcamp

Beverly Athletic Club

Beyond Physical Therapy + Pilates

Bhakti Bodhi Yoga

Big Night Fitness

Bikes and Beers

Bilancia Fitness

Black Crow Yoga

Body & Brain

Body Ambition

Body Works

BodyWaves

Bodyscapes Fitness

Boston Ballet School

Boston Barre

Boston Body

Boston Body Pilates Newbury Street

Boston Body Pilates Waterfront

Boston Dance Studios

Boston Fencing Club

Boston Harbor Sailing Club