BURN Fitness Studios

Back Bay Yoga Union

BackYahd Boston

Bad to the Barre

Balans

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 Physical Therapy + Pilates

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