IM=X Pilates

IM=X Pilates and Fitness - King Farm

IMF Fitness and Wellness Center

INFIT360

ISI Elite Training Rockville, MD

Ignite Good Health

Jazzercise

Jazzercise Washington DC NE - Our Redeemer Lutheran Church

Jordan Athletics

Joy of Dance

Joy of Motion Dance Center (H Street)

KAAOS Gym & Athletic Training Center

Kaizo X

Karib Dance and Cultural Arts Studio

Kent Gardens Swim Team

Khepera Wellness

Kick Fitness

Kids in Motion

Kinema Fitness - 750 17th St.

Kinema Fitness - District Center

Kinema Fitness - Homer Health Club

Kinema Fitness at 1100 New York Ave.

Knock On Wood Tap Studio

Koa Sports