U.S. number of plumbing and HVAC contractor SMBs, by firm size 2020
As of 2020, there were 60,940 small and medium sized businesses employing less than five people in the plumbing, heating, and air-conditioner contractor industry in the United States. There were far fewer medium sized electrical contractor businesses, with 1,163 firms employing between 100 and 499 people.
