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 TitlesTotal Marketable US Businesses
1731Electrical Work115,390
173100Electrical work30,685
17310000Electrical work30,685
173101Electric power systems contractors1,211
17310100Electric power systems contractors1,033
17310101Cogeneration specialization18
17310102Computer power conditioning30
17310103Standby or emergency power specialization83
17310104Switchgear and related devices installation47
173102Electronic controls installation2,100
17310200Electronic controls installation899
17310201Computerized controls installation152
17310202Energy management controls892
17310203Environmental system control installation157
173103Communications specialization10,585
17310300Communications specialization1,154
17310301Cable television installation450
17310302Fiber optic cable installation868
17310303Sound equipment specialization5,484
17310304Telephone and telephone equipment installation1,915
17310305Voice, data, and video wiring contractor714
173104Safety and security specialization6,346
17310400Safety and security specialization3,195
17310401Access control systems specialization266
17310402Closed circuit television installation131
17310403Fire detection and burglar alarm systems specialization2,754
173199Electrical work, nec64,463
17319901Banking machine installation and service85
17319902Computer installation672
17319903General electrical contractor62,879
17319904Lighting contractor827