Johnstone Supply Store in SHREVEPORT webmaster1 May 15, 2021 Categories: HVAC WholesalersAddress 730 W BERT KOUNS INDST. LOOPSHREVEPORT, LA 71118USAContact Phone: (318) 686-2606Contact Store Review Store Your Name * Your Email * ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ Your Review *