List of activities classified inside the UK SIC Code 26301
- Transmission equipment for telephone and telegraph (manufacture)
- Switching equipment for telegraph and telex (manufacture)
- Switchboard for telecommunications (manufacture)
- Subscriber apparatus (telephone) (manufacture)
- Security alarms and systems (manufacture)
- Routers for telecommunications (manufacture)
- Private branch exchange (PBX) equipment (manufacture)
- Picture transmitter (manufacture)
- Pagers (manufacture)
- Telegraph apparatus (manufacture)
- Telephone (manufacture)
- Telephone answering machines (manufacture)
- Terminal equipment for telegraphic and data communications (manufacture)
- Telex machine (manufacture)
- Telewriter (manufacture)
- Teleprinter (manufacture)
- Telephone handset (manufacture)
- Telephone exchanges (manufacture)
- Telephone exchange equipment (manufacture)
- Telephone apparatus (manufacture)
- Multiplexers for telephone exchanges (manufacture)
- Modems (manufacture)
- Mobile telephone (manufacture)
- Delay lines and networks (manufacture)
- Data transmission link line (manufacture)
- Cordless telephones (except cellular) (manufacture)
- Communication devices using infrared signal (e.g. Remote controls) (manufacture)
- Cellular phones (manufacture)
- Carrier equipment (manufacture)
- Burglar alarm and system (manufacture)
- Bridges for telecommunications (manufacture)
- Dial for telephone (manufacture)
- Entrance telephones (manufacture)
- Facsimile transmission apparatus (manufacture)
- Line telephony apparatus (manufacture)
- Line telegraphy apparatus (manufacture)
- Line apparatus (carrier, duplex and repeater) (manufacture)
- Infrared remote controls (manufacture)
- Gateways for telecommunications (manufacture)
- Fire alarm systems, sending signals to a control station (manufacture)
- Fire alarm and system (manufacture)
- Fax machines (manufacture)
- Bells for telephones (manufacture)