TwerkAerobics

Twisted Times Yoga

Two Bridges Muay thai

Type A Training

U.S. Athletic Training Center

UFC GYM

URBN Playground

USTA/EASTERN-METROPOLITAN REGION-Manhattan

USTA/EASTERN-NEW JERSEY REGION-Bergen

UWS Yoga and Wellness

Underdog Boxing & Fitness

Underground Training

Unibody Fitness

UnleashFIT

Unlimited Biking - Fisherman's Wharf

Unlimited Body NY

Unlimited Martial Arts

Untamed Boxing and Fitness

UpDog Studios

UpFit Training Academy

Upper West Side Yoga and Wellness

Uptown Dance Studio

Uptown Pilates - 57th & Lex

Uptown Pilates - Madison & 73rd