Hinge Fitness

I2SM Boston, LLC

InnerCity Weightlifting

Inspire Dance & Fitness

Inspire Fitness Studio

JAS Nutri fit

JET Boston

JKA Revere Athletic Club

JP Centre Yoga

JV Fitness

Jessi’s Virtual Workouts

José Mateo Ballet Theatre

K Foley Global Pilates

K-FIT Studio LLC

KMF Strong

Kaivalya Bodywork

Kaliyuga Dance Studios

Katana Spa

Kimber Fitness

Kinema Fitness - One Post Office Square

Kinema Fitness - Rowes Wharf Health Club

LS Flamenco

Lea Tam Acupuncture

Level Ground Mixed Martial Arts