List of Johnstone Supply Stores in South Plainfield, NJ Outlet Note Regular Brands Johnstone Supply New Jersey South Plainfield Rating 5 based on 75 votes Products Tools Supplies HVAC Equipment HVACR Parts Motors Refrigerant NameAddressPhone Name/Address/Phone Johnstone Supply outlet - South Plainfield 120 Corporate Blvd, #E (908) 561-9300 People Also Viewed