Bilancia Fitness

Black Crow Yoga

Body & Brain

Body Works

Bodyscapes Fitness

Boston Barre

Boston Body

Boston Body Pilates Belmont

Boston Body Pilates East Watertown

Boston Dance Studios

Boston Fencing Club

Boston Martial Arts and Fitness

Boston Pole Fitness

Boston Rhythmic

Boston Underground Strength Training

Bouldering Project - Boston

Burn Boot Camp Burlington, MA

C-Town Studio

CFE Fitness

Cambridge Athletic Club

Capoeira MdP Boston - Dance Complex

Catalyst Performance Training

Centered Soul Yoga

Centre Yoga