U.S. Athletic Training Center

UFC GYM

URBN Playground

USTA/EASTERN-METROPOLITAN REGION-Bronx

USTA/EASTERN-METROPOLITAN REGION-Manhattan

USTA/EASTERN-NEW JERSEY REGION-Bergen

UTG Personal Training | Bergen County NJ

UWS Yoga and Wellness

Underdog Boxing & Fitness

Underground Training

Unibody Fitness

UnleashFIT

Unlimited Biking - Fisherman's Wharf

Unlimited Body NY

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

Uptown Pilates - Upper West Side

Uptown Pilates Village

Uptown Strength NYC