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NIA - National Insulation Association A service organization, promoting the general welfare of the commercial and industrial insulation and asbestos abatement industries. |
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WICA - Western Insulation Contractors Association A regional affiliate of the National Insulation Association (NIA). |
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RETA - Refrigeration Engineering and Technicians Association.
An International society involved in the design, operation, and service of refrigeration and air conditioning system. |
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IIAR - International Institute of Ammonia Refrigeration An international organization dedicated specifically to the use of ammonia as refrigerant, and in the advancement of its safe and efficient use. |
