APCCO is proud to be a member of the following trade organizations:

IIAR is the world’s leading advocate for the safe, reliable and efficient use of ammonia and other natural refrigerants.  IIAR sets the standard for providing advocacy, education and the most up-to-date technical information to the ammonia and natural refrigeration community.


The American Society of Heating, Refrigerating and Air-Conditioning Engineers is an international organization of 51,000 persons. ASHRAE’s mission is to advance heating, ventilation, air conditioning and refrigeration to serve humanity and promote a sustainable world through research, standards writing, publishing and continuing education.


The Refrigerating Engineers & Technicians Association is an international society of individuals and companies involved in the design, operation and service of industrial refrigeration systems. Its purpose is to provide education, training and networking benefits for those in the industry.


The National Society of Professional Engineers is dedicated to the nontechnical concerns of licensed professional engineers. It is the only national organization committed to addressing the professional concerns of licensed engineers across all disciplines.


The Mechanical Contractors Association of America (MCAA) serves about 2,600 companies involved in heating, air conditioning, refrigeration, plumbing, piping and mechanical services. It provides high-quality educational materials and programs to help its members attain the highest level of managerial and technical expertise.