SIC Industry Description

Industry: 1731—Electrical Work
Special trade contractors primarily engaged in electrical work at the site. The construction of transmission lines is classified in Industry 1623, and electrical work carried on in repair shops is classified in Services, Industry Group 762. Establishments primarily engaged in monitoring of burglar and fire alarms with incidental installation are classified in Services, Industry 7382.

Burglar alarm installation—contractorsFire alarm installation—contractors
Cable splicing, electrical—contractorsHighway lighting and electrical signal construction—contractors
Cable television hookup—contractorsIntercommunications equipment installation—contractors
Communications equipment installation—contractorsSound equipment installation—contractors
Electrical repair at site of construction—contractorsTelecommunications equipment installation—contractors
Electrical work—contractorsTelephone and telephone equipment installation—contractors
Electronic control system installation—contractors
Codes Titles Total Marketable US Businesses
1731Electrical Work117,505
173100Electrical work53,938
17310000Electrical work53,938
173101Electric power systems contractors1,289
17310100Electric power systems contractors1,106
17310101Cogeneration specialization20
17310102Computer power conditioning28
17310103Standby or emergency power specialization86
17310104Switchgear and related devices installation49
173102Electronic controls installation2,190
17310200Electronic controls installation928
17310201Computerized controls installation151
17310202Energy management controls953
17310203Environmental system control installation158
173103Communications specialization10,973
17310300Communications specialization1,317
17310301Cable television installation451
17310302Fiber optic cable installation830
17310303Sound equipment specialization5,868
17310304Telephone and telephone equipment installation1,747
17310305Voice, data, and video wiring contractor760
173104Safety and security specialization5,915
17310400Safety and security specialization2,671
17310401Access control systems specialization263
17310402Closed circuit television installation137
17310403Fire detection and burglar alarm systems specialization2,844
173199Electrical work, nec43,200
17319901Banking machine installation and service84
17319902Computer installation520
17319903General electrical contractor41,753
17319904Lighting contractor843