DF MASTER LLC

Electrical Contractors and Other Wiring Installation Contractors

Establishments in this category are primarly engaged in installing and servicing electrical wiring and equipment. Contractors included in this industry may include both the parts and labor when performing work. These contractors may perform new work, additions, alterations, maintenance, and repairs.

Illustrative Examples:

Airport runway lighting contractors
Fiber optic cable (except transmission line) contractors
Alarm system (e.g., fire, burglar), electric, installation only
Highway, street, and bridge lighting and electrical signal installation
Audio equipment (except automotive) installation contractors
Home automation system installation
Lighting system installation
Cable television hookup contractors
Telecommunications equipment and wiring (except transmission line) installation contractors
Computer and network cable installation
Traffic signal installation
Environmental control system installation
Cable splicing, electrical or fiber optic

Janitorial Services

Establishments in this category are primarly engaged in cleaning building interiors, interiors of transportation equipment (e.g., aircraft, rail cars, ships), and/or windows.

Illustrative Examples:

Custodial services
Service station cleaning and degreasing services
Housekeeping (i.e., cleaning) services
Washroom sanitation services
Maid (i.e., cleaning) services