Johnstone Supply Store in ELKHART webmaster1 May 15, 2021 Categories: HVAC WholesalersAddress 3314 MIDDLEBURY STREETELKHART, IN 46516USAContact Phone: (574) 970-0628Contact Store Review Store Your Name * Your Email * ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ Your Review *