The Johnstone Supply Cooperative, recognized nationally as the pre-eminent distributor for HVAC/R (heating, ventilation, air-conditioning and refrigeration) and MRO (maintenance, repair, and operating) parts and equipment has been in business since 1953 and has achieved unparalleled growth. As a cooperative member, we are a highly customer focused organization and we use technology to its fullest to accomplish our goals. We take pride in our work environment and promote high integrity and standards. We continually strive to improve our business and provide growth and opportunity for our valued employees. Located in Waltham, MA, Lowell, MA & Worcester, MA