Nimbus Arts Center

NnennaEzike SHAPE Marathon

Noble Fitness

Nofar Method

North Sky Kung Fu

Now Yoga

NuYu Revolution

O2 Fit Nation

OHM Center

ON AIR

ORIGINÆ Contemporary Boxing Studio

Oblique

Ocean All-Star Fitness Club

Omar Sandoval Fitness

Omega SDC

Omne Martial Arts, Fitness & Wellness

On the Mend Customized Fitness and Massage

On7 Studio

OnPoint Fitness Studio Inc.

One East River Place

Ora Wellness

Orangetheory Fitness Astoria-Broadway, NY #0547

Orangetheory Fitness Astoria-Ditmars, NY #1562

Orangetheory Fitness Brooklyn-Williamsburg, NY #0269