Peter Welch's Gym

Pilates Back Bay

Power Rowing

PowerLift Studio

Powerhouse Personal Training

Pro Ambitions Hockey, Inc.

Project DEEP

Pups and Yoga

Pure Barre

Pure Barre Boston & Harvard Square

Pure Drive Golf

Pure Performance Training

Q BALLROOM

Qi Studio

R3BILT

RPM Athlete Performance

RPM Fitness

RUACH

Radiant Yoga Boston

Rafael Rivera Wellness/Rock Steady Boxing

RayFit

Rebel Athletic Club

Redefine Strength and Fitness

Redemption Strength & Conditioning