Back Bay Yoga Union

BackYahd Boston

Bad to the Barre

Balans

Ballroom in Boston

Baptiste Power Yoga Boston

Barre & Soul

Barre Groove

Barre3 Needham

Beacon Hill Yoga

Beacon Hill Yoga/REPS

Beantown Bootcamp

Beau Monde Ballroom

Belinda Gower Studio

Bernardo Faria Academy

Beyond Fitness Pilates Studio

BeyondFit

Bhakti Bodhi Yoga

Big Night Fitness

Bigger Muscles, Better Intentions

Bikes and Beers

Black Crow Yoga

Blissful Monkey Yoga Studio

Blue Lotus Healing Arts