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-conditioning191,217
171100Plumbing, heating, air-conditioning13,730
17110000Plumbing, heating, air-conditioning13,730
171101Boiler and furnace contractors3,130
17110100Boiler and furnace contractors222
17110101Boiler maintenance contractor138
17110102Boiler setting contractor25
17110103Heating systems repair and maintenance2,636
17110104Hydronics heating contractor109
171102Plumbing contractors75,660
17110200Plumbing contractors73,515
17110201Septic system construction2,145
171103Sprinkler contractors4,879
17110300Sprinkler contractors701
17110301Fire sprinkler system installation2,359
17110302Irrigation sprinkler system installation1,819
171104Heating and air conditioning contractors89,241
17110400Heating and air conditioning contractors12,897
17110401Mechanical contractor15,086
17110402Process piping contractor138
17110403Solar energy contractor4,870
17110404Ventilation and duct work contractor583
17110405Warm air heating and air conditioning contractor55,667
171199Plumbing, heating, air-conditioning, nec4,577
17119901Refrigeration contractor4,577