SIC Industry Description

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—contractorsPlumbing and heating—contractors
Air-conditioning, with or without sheet metal work—contractorsPlumbing repair—contractors
Boiler erection and installation—contractorsPlumbing, with or without sheet metal work—contractors
Drainage system installation, cesspool and septic tank—contractorsRefrigeration and freezer work—contractors
Dry well construction, cesspool—contractorsSewer hookups and connections for buildings—contractors
Fuel oil burner installation and servicing—contractorsSheet metal work combined with heating or air-conditioning—contractors
Furnace repair—contractorsSolar heating apparatus—contractors
Gas line hookup—contractorsSprinkler system installation—contractors
Heating equipment installation—contractorsSteam fitting—contractors
Heating, with or without sheet metal work—contractorsSump pump installation and servicing—contractors
Lawn sprinkler system installation—contractorsVentilating work, with or without sheet metal work—contractors
Mechanical contractorsWater pump installation and servicing—contractors
Piping, plumbing—contractorsWater system balancing and testing—contractors
Codes TitlesTotal Marketable US Businesses
1711Plumbing, Heating, Air-conditioning196,988
171100Plumbing, heating, air-conditioning13,005
17110000Plumbing, heating, air-conditioning13,005
171101Boiler and furnace contractors2,858
17110100Boiler and furnace contractors202
17110101Boiler maintenance contractor134
17110102Boiler setting contractor24
17110103Heating systems repair and maintenance2,401
17110104Hydronics heating contractor97
171102Plumbing contractors77,368
17110200Plumbing contractors75,272
17110201Septic system construction2,096
171103Sprinkler contractors5,032
17110300Sprinkler contractors656
17110301Fire sprinkler system installation2,523
17110302Irrigation sprinkler system installation1,853
171104Heating and air conditioning contractors94,239
17110400Heating and air conditioning contractors11,706
17110401Mechanical contractor15,576
17110402Process piping contractor134
17110403Solar energy contractor6,031
17110404Ventilation and duct work contractor558
17110405Warm air heating and air conditioning contractor60,234
171199Plumbing, heating, air-conditioning, nec4,486
17119901Refrigeration contractor4,486