CORNERSTONE COMMUNICATIONS, INC.

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

Telecommunications Resellers

This includes establishments engaged in purchasing access and network capacity from owners and operators of telecommunications networks and reselling wired and wireless telecommunications services to businesses and households (except satellite telecommunications and agents for wireless telecommunications services). Establishments in this industry resell telecommunications; they do not operate transmission facilities and infrastructure.

Illustrative Examples:

Mobile virtual network operators (MVNOs) (except agents)
Pre-paid calling cards, telecommunications resellers
Wired telecommunications resellers
Wireless telecommunications resellers (except satellite telecommunications and agents)

Agents for Wireless Telecommunications Services

This includes establishments primarily engaged in acting as agents for wireless telecommunications carriers and resellers, selling wireless plans on a commission basis.

Illustrative Examples:

Agents for mobile virtual network operators (MVNOs)
Agents for wireless telecommunications carriers
Cellular telephone stores, selling cellular phone service plans on an agent basis
Mobile phone stores, selling mobile phone service plans on an agent basis
Wireless phone service plan sales agents, selling on behalf of wireless telecommunications carriers

Computer Facilities Management Services

This includes establishments primarily engaged in providing on-site management and operation of clients' computer systems and/or data processing facilities. Establishments providing computer systems or data processing facilities support services are included in this industry.

Electronic and Precision Equipment Repair and Maintenance

Establishments in this category are primarly engaged in repairing and maintaining one or more of the following: (1) consumer electronic equipment; (2) computers; (3) office machines; (4) communication equipment; and (5) other electronic and precision equipment and instruments, without retailing these products as new. Establishments in this industry repair items, such as microscopes, radar and sonar equipment, televisions, stereos, video recorders, computers, fax machines, photocopying machines, two-way radios, cellular telephones, and other communications equipment, scientific instruments, and medical equipment.