InForm Fitness

Inner Core Wellness

Inova Well

J127 Education Foundation

Jabs Boxing and Fitness

Jazzercise

Jazzercise Herndon Reston Fitness Studio

Jordan Athletics

Joy of Dance

K.ARCADIA

KAZAXE by Azuka-Bom

Kaizo X

Karma Yoga

Kent Gardens Swim Team

Kick Fitness

Kids in Motion

Kinema Fitness – Metro Park

Ladan Holistic Spa

Lee Graham Tennis

Lee Graham Tennis

Level Fitness

Lifestyle Fitness

Lightning Strike Combat

LiveFIT Personal Training Studio