Jane DO Montclair

Jay Cin Fitness

Jersey City Ballroom Dance Studio

Josh Key Brazilian Jiu-Jitsu

Juniper Yoga and Fitness

K2 Performance Training

Karate World

Keely's Camp

Ken Pilates

Keter Yoga

Kickin’ It with KJ

Kika Stretch Studios - MSH + Summit

Kika Stretch Studios - Montclair

Kinema Fitness - NBOE WELL

King Strength and Perfomance

King Strength and Performance

Kingsofnewjersey

Klean Strength

LALA LAND

Leela Flow Studio

Legacy Boxing and Fitness

Life Building Fitness

Lionheart Boxing Academy

LivFit Fitness