There are 84,876 plumbing-heating-cooling contractor establishments, according to the updated national Plumbing, Heating and Air Conditioning Contractors economic census issued by the U.S. Census Bureau. Here is a breakdown of establishments by number of employees:

1 to 4 employees 48,446

5 to 9 employees 17,814

10 to 49 employees 16,337

50 to 99 employees 1,481

100+ employees 798

For a full report of the census, go to www.census.gov

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