Ballroom in Boston

Baptiste Power Yoga Boston

Barre & Soul

Barre Groove

Bcycle Swampscott

Be the Light Yoga Studio

Beacon Hill Yoga

Beacon Hill Yoga/REPS

Beantown Bootcamp

Beyond Fitness Pilates Studio

BeyondFit

Bhakti Bodhi Yoga

Big Night Fitness

Bigger Muscles, Better Intentions

Bikes and Beers

Bilancia Fitness

Black Crow Yoga

Blissful Monkey Yoga Studio

Body & Brain

Body & Brain

Body Works

BodyWaves

Bodyscapes Fitness

Boston Ballet School