SMACNA is known by the name Sheet Metal and Air Conditioning Contractors National Association. On the company website one can find a variety of information such as becoming a member, events, as well as contact information.

The Air Conditioning Contractors of America (ACCA) is the largest air conditioning contractor in the United States. The American Society of Heating, Refrigerating, and Air-Conditioning Engineers (ASHRAE) is also another organization that licenses air conditioning contractors.

National Independent Contractors Association was created in 1995.

National Electrical Contractors Association was created in 1901.

The Air Conditioning and Refrigeration Program offers online reviews of air conditioning contractors. Many air conditioning contractor websites also have review pages.