Instrumental Yoga

Intuitive Wellness

JBSC

JET Boston

JETSET Pilates Wellesley

JKA Revere Athletic Club

JP Centre Yoga

Jazzercise

Jean Appolon Expressions

José Mateo Ballet Theatre

K Foley Global Pilates

Kaivalya Bodywork

Kaliyuga Dance Studios

Katana Spa

Kinema Fitness - 260 Franklin

Kinema Fitness - 55 Fitness

Kinema Fitness - One Post Office Square

Kinema Fitness - Rowes Wharf Health Club

Kinema Fitness - SharkNinja

Kinema Fitness - Wolverine Worldwide (MA)

Kinetic Dance Studio

Kink Pilates

Knights Of Columbus - Newton

LEVO