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 |
| Mechanical contractors | Water pump installation and servicing—contractors |
| Piping, plumbing—contractors | Water system balancing and testing—contractors |
| Codes |
Titles | Total Marketable US Businesses |
| 17110000 | Plumbing, heating, air-conditioning | 16,479 |
| 17110100 | Boiler and furnace contractors | 260 |
| 17110101 | Boiler maintenance contractor | 131 |
| 17110102 | Boiler setting contractor | 26 |
| 17110103 | Heating systems repair and maintenance | 2,306 |
| 17110104 | Hydronics heating contractor | 91 |
| 17110200 | Plumbing contractors | 79,742 |
| 17110201 | Septic system construction | 2,097 |
| 17110300 | Sprinkler contractors | 581 |
| 17110301 | Fire sprinkler system installation | 2,614 |
| 17110302 | Irrigation sprinkler system installation | 1,864 |
| 17110400 | Heating and air conditioning contractors | 10,774 |
| 17110401 | Mechanical contractor | 15,872 |
| 17110402 | Process piping contractor | 136 |
| 17110403 | Solar energy contractor | 6,452 |
| 17110404 | Ventilation and duct work contractor | 559 |
| 17110405 | Warm air heating and air conditioning contractor | 63,740 |
| 17119901 | Refrigeration contractor | 4,334 |
