Ignite Good Health

Jade Fitness

Jazzercise

Jazzercise

Jazzercise

Jazzercise Washington DC NE - Our Redeemer Lutheran Church

Joint Base Andrews Fitness Center

Jordan Athletics

Joy of Dance

Joy of Motion Dance Center (H Street)

KAAOS Gym & Athletic Training Center

Kaizo X

Kappa Alpha Psi Fraternity Inc.

Karib Dance and Cultural Arts Studio

Karma Yoga

Kent Gardens Swim Team

Khepera Wellness

Kick Fitness

Kids in Motion

Kinema Fitness - 750 17th St.

Kinema Fitness - District Center

Kinema Fitness at 1100 New York Ave.

Knock On Wood Tap Studio

LOTUS Fitness