SEMAPHORE CORP

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

Hardware Merchant Wholesalers

Establishments in this category are primarly engaged in the merchant wholesale distribution of hardware, knives, or handtools.

Illustrative Examples:

Brads merchant wholesalers
Cutlery merchant wholesalers
Knives (except disposable plastics) merchant wholesalers
Power handtools (e.g., drills, saws, sanders) merchant wholesalers
Fasteners (e.g., bolts, nuts, rivets, screws) merchant wholesalers
Staples merchant wholesalers
Handtools (except motor vehicle, machinists' precision) merchant wholesalers
Hardware (except motor vehicle) merchant wholesalers
Tacks merchant wholesalers
Keys and locks merchant wholesalers

Computer Systems Design Services

This includes establishments primarily engaged in planning and designing computer systems that integrate computer hardware, software, and communication technologies. The hardware and software components of the system may be provided by this establishment or company as part of integrated services or may be provided by third parties or vendors. These establishments often install the system and train and support users of the system.

Illustrative Examples:

Computer systems integration design consulting services
Local area network (LAN) computer systems integration design services
Information management computer systems integration design services
Office automation computer systems integration design services

Other Scientific and Technical Consulting Services

Establishments in this category are primarly engaged in providing advice and assistance to businesses and other organizations on scientific and technical issues (except environmental).

Illustrative Examples:

Agricultural consulting services
Motion picture consulting services
Biological consulting services
Physics consulting services
Chemical consulting services
Radio consulting services
Economic consulting services
Safety consulting services
Energy consulting services
Security consulting services

Security Systems Services (except Locksmiths)

This includes establishments primarily engaged in (1) selling security alarm systems, such as burglar and fire alarms, along with installation, repair, or monitoring services or (2) remote monitoring of electronic security alarm systems.