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 | 13,548 |
| 17110100 | Boiler and furnace contractors | 216 |
| 17110101 | Boiler maintenance contractor | 142 |
| 17110102 | Boiler setting contractor | 25 |
| 17110103 | Heating systems repair and maintenance | 2,493 |
| 17110104 | Hydronics heating contractor | 110 |
| 17110200 | Plumbing contractors | 75,328 |
| 17110201 | Septic system construction | 2,138 |
| 17110300 | Sprinkler contractors | 684 |
| 17110301 | Fire sprinkler system installation | 2,446 |
| 17110302 | Irrigation sprinkler system installation | 1,856 |
| 17110400 | Heating and air conditioning contractors | 12,568 |
| 17110401 | Mechanical contractor | 15,728 |
| 17110402 | Process piping contractor | 138 |
| 17110403 | Solar energy contractor | 5,506 |
| 17110404 | Ventilation and duct work contractor | 572 |
| 17110405 | Warm air heating and air conditioning contractor | 58,799 |
| 17119901 | Refrigeration contractor | 4,609 |
