Johnstone Supply Store in NORTH HIGHLANDS webmaster1 May 15, 2021 Categories: HVAC WholesalersAddress 3301 ORANGE GROVE AVENUENORTH HIGHLANDS, CA 95660USAContact Phone: (916) 484-0490Contact Store Review Store Your Name * Your Email * ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ Your Review *