Join us today and become a part of our growing community.



Who are our members?
Our members come from all facets of the industrial refrigeration industry, including design engineers, contractors, end users, students, scientists, and trainers.

IIAR member companies represent every aspect of the ammonia refrigeration industry.
There is power in being connected to other people who are active and engaged in your line of work. Your participation enables you to network with the most talented and creative minds in the ammonia refrigeration industry.

IIAR members come from all over the world!
The International Institute of Ammonia Refrigeration has members from over 50 countries including the United States, Canada, Mexico, Central America, South America, Europe, Asia, Africa, Australia and so many more.

Advocating for You
IIAR works year-round promoting member interests before regulatory bodies including EPA, OSHA and other code-writing authorities. Advocating for our members has always been a priority for IIAR. We unite the collective strength of our member organizations to ensure the safest and most efficient environment for the industrial refrigeration industry. IIAR also provides regulatory guidance and support helping to ensure our industry's future.








  • 2,743 members strong
Investing in our Members
IIAR believes in committing to the professional and educational growth of our members. We are embarking on a brand new year full of exciting opportunities. IIAR is developing standards, new publications and new educational programs as well as updating and broadening our online presence. We know that our growth as an organization is ultimately dependent on how we grow with our members. 

Return on Investment
Your membership in IIAR is a corporative investment that pays immediate dividends for you and your organization.
"Sustainable enterprises must operate efficiently and safely. Actively participating in IIAR gives me insight into how others are identify gaps in these areas and driving their organizations to not only improve but excel."
-Martin L. Timm, P.E., Process Safety Manager, Praxair Inc.