JBSC

JET Boston

JETSET Pilates Wellesley

JLW MEDICAL MANAGEMENT CONSULTING

JP Centre Yoga

Jazzercise

Jean Appolon Expressions

José Mateo Ballet Theatre

K Foley Global Pilates

KOHR Golf

Kaivalya Bodywork

Karuna Nutrition & Movement, LLC

Kinema Fitness - 55 Fitness

Kinema Fitness - SharkNinja

Kinema Fitness - Wolverine Worldwide (MA)

Kinetic Dance Studio

Kink Pilates

Knights Of Columbus - Newton

LEVO

LS Flamenco

Laughing Dog Yoga Studio

Level Ground Mixed Martial Arts

Level Up Fitness and Wellness Center

Lifted Fitness & Performance Walpole