- 11632 NE Ainsworth Circle Portland, OR 97220
- (503) 256-3663
http://www.johnstonesupply.com/ Today, Johnstone Supply is the top cooperative wholesale distributor in the country and a recognized national leader in the HVACR industry. With regional distribution centers based in Portland, Ore., Joliet, Ill., Allentown, Penn., Jacksonville, Fla., Dallas, Tex,. and Las Vegas, Nev., the company boasts over 375 independently-owned stores throughout the United States and beyond, totaling over 1.5 billion dollars in annual sales.