Industry: 1711—Plumbing, Heating and Air-Conditioning
Special trade contractors primarily engaged in plumbing, heating, air-conditioning, and similar work. Sheet metal work performed by plumbing, heating, and air-conditioning contractors in conjunction with the installation of plumbing, heating, and air-conditioning equipment is included here, but roofing and sheet metal work contractors are classified in Industry 1761. Special trade contractors primarily engaged in electrical work are classified in Industry 1731.
Air system balancing and testing—contractors
Plumbing and heating—contractors
Air-conditioning, with or without sheet metal work—contractors
Plumbing repair—contractors
Boiler erection and installation—contractors
Plumbing, with or without sheet metal work—contractors
Drainage system installation, cesspool and septic tank—contractors
Refrigeration and freezer work—contractors
Dry well construction, cesspool—contractors
Sewer hookups and connections for buildings—contractors
Fuel oil burner installation and servicing—contractors
Sheet metal work combined with heating or air-conditioning—contractors
Furnace repair—contractors
Solar heating apparatus—contractors
Gas line hookup—contractors
Sprinkler system installation—contractors
Heating equipment installation—contractors
Steam fitting—contractors
Heating, with or without sheet metal work—contractors
Sump pump installation and servicing—contractors
Lawn sprinkler system installation—contractors
Ventilating work, with or without sheet metal work—contractors
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