Fedtecs Set top Box
The STB Engine from Fedtec has a processor independent architecture.
http://www.fedtec.com/settop.htm

Access Devices
Suppliers of set top boxes for internet tv.
http://www.accessdevices.co.uk

Pace Micro Technology plc
Over 2,000,000 digital set top boxes produced.
http://www.pace.co.uk/

Amino Communications
Provides technologies for set-top boxes and residential gateways.
http://www.aminocom.com

Element 14
Previously known as Acorn Computers Limited this company are now focused on interactive TV hardware.
http://www.e-14.com/

GCT-Allwell
GCT-Allwell's set top box is used for interactive TV, Residential gateway, and MTU/MDU ADSL service platform.
http://www.gctglobal.com/

Kreatel
Provides set-top boxes for interactive television over broadband IP connections.
http://www.kreatel.com

Netgem : Internet technology for Interactive TV
Netgem is a provider of interactive TV technology based on open, DVB and Internet standards.
http://www.netgem.com

Radisys Microware
Provides Microware Software including OS-9 RTOS, middleware, and embedded applications for consumer devices including TV set-top boxes.
http://www.radisys.com/microware.cfm

Scientific-Atlanta
A world leader in digi boxes.
http://www.sciatl.com/

Sega
Dreamcast games console hosts WebTV via CD.
http://www.sega.com

Tivion
An Audio-Video-Home-Network set top box.
http://www.tivion.org

Visionetics Homepage
A provider of DVB (Digital Video Broadcast) set-top-boxes for a wide range of satellite and cable pay television applications.
http://www.visionetics.com.tw