Johnstone Supply: Making it Easier to do Business. Johnstone Supply - The JTeam Group is a leading HVAC/R Wholesale Distributor with locations in Raleigh, Garner, Rocky Mount, Durham, Greensboro, Winston-Salem and Hickory in NC and Lynchburg, Roanoke and Richmond in VA with access to over 70,000 locally stocked products and inventory so you can get it the same or next day in most cases. Our product selection is continually growing to meet the needs of HVACR contractors to ensure we have the best brands and technology. Plus, our relationships with hundreds of the industry's top manufacturers give you access to a million special order parts. From equipment to parts, to supplies you can be confident Johnstone has what you need today.