- Telecommunications Equipment Installers and Repairers, Except Line Installers
- Install, set-up, rearrange, or remove switching, distribution, routing, and dialing equipment used in central offices or headends. Service or repair telephone, cable television, Internet, and other communications equipment on customers' property. May install communications equipment or communications wiring in buildings.
- Computer, Automated Teller, and Office Machine Repairers
- Repair, maintain, or install computers, word processing systems, automated teller machines, and electronic office machines, such as duplicating and fax machines.
Network and Computer Systems Administrators