Boxing

Diamond Gym Sports & Fitness LLC

Name: Diamond Gym Sports & Fitness LLC
Address: 732 Irvington Ave, Maplewood, NJ 07040, Maplewood, NJ, 07040, US
Telephone: +1973-762-0828

Maplewood, NJ

Diamond Gym - Maplewood, NJ. Founded by John Kemper, has been Home to the Hardcore since 1976. Diamond Gym promotes the NPC New Jersery State Championships.

Address

732 Irvington Ave, Maplewood, NJ 07040

Website

http://www.diamondgym.pro/

Phone

+1973-762-0828

Last verified: May 10, 2026