Johnstone Supply Store in AMARILLO webmaster1 May 15, 2021 Categories: HVAC WholesalersAddress 901 SOUTH WILLIAMSAMARILLO, TX 79102USAContact Phone: (432) 332-8972Contact Store Review Store Your Name * Your Email * ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ Your Review *