In Lak’ech Dance Academy

In the Groove Studios

Infinite Soul

Innerstellar Pilates & Yoga Studio

Innovative Body Concepts

Integral Yoga Institute

InterKinected

Iron + Mettle

Iron Core Fitness

J Bodyworks

J'Tao Wellness and Beauty

Jack McGovern Coats' Disease Foundation

Jay Marchi Personal Training

Jazzercise

JustHoop

Justin's Massage

KIDS GYM BERKELEY

KO1 Fitness

KSP Studios

Kamasajei BioDynamics and Massage

Katherine Park Center of the Arts

Keilani Pilates

Ken Scott Fitness

Kids 'N Dance 'N Theater Arts