Pilates Back Bay

Power Rowing

PowerLift Studio

Powerhouse Personal Training

Powers Aquatics, LLC

Private jewels fitness

Pro Ambitions Hockey, Inc.

Project DEEP

Pure Barre

Pure Barre Boston & Harvard Square

Q BALLROOM

Quincy Yoga & Massage

R Barn

R3BILT

RPM Fitness

Radiant Yoga Boston

Rafael Rivera Wellness/Rock Steady Boxing

RayFit

Rebel Athletic Club

Redefine Strength and Fitness

Redemption Strength & Conditioning

Redline Fight Sports

Regan's Motivated Fitness

Release Well-Being Center