House 403

I2SM Boston, LLC

Ignite Power Yoga

InnerCity Weightlifting

Inspire Dance & Fitness

Inspire Fitness Studio

JAS Nutri fit

JET Boston

JKA Revere Athletic Club

JV Fitness

Jazzercise

Jean Appolon Expressions

Jessi’s Virtual Workouts

José Mateo Ballet Theatre

K-FIT Studio LLC

KMF Strong

Kaivalya Bodywork

Kaliyuga Dance Studios

Katana Spa

Kimber Fitness

Kinema Fitness - 260 Franklin

Kinema Fitness - One Post Office Square

Kinema Fitness - Rowes Wharf Health Club

Kinema Fitness - Wolverine Worldwide (MA)