Masacote Entertainment

Massage Therapy Works

Microdose Fitness

Mike's Fitness JP

Millennium Running

Millennium Tower

Milton Yoga

Mind In Motion

Mission Hill Yoga

Modern Barre

Modern Barre Fitness Studio

Motion Performance Group

Movement Over Everything (MOVE)

Movement with Jill

Mozi Foot Spa

Mrbstyles Salsa Fit

Musicians Playground

MyStryde

Naked Feet Yoga

New England Conservatory of Music Preparatory School and School of Continuing Education

Next Level Factory

Next Level Fitness Wellness Winthrop

North End Yoga

November Project