Navic Networks
- Provider of interactive television solutions to cable, DBS, and IPTV operators.
- http://www.navic.tv/

Advanced Media Strategies
- Consulting firm helping clients conceptualize, define, develop, validate and introduce revenue-rich TV-based converged-media services and products.
- http://www.tvstrategies.com

Cabot Communications Ltd.
- Provides products and services for digital TV including the MHEG-5 platform for development for UK Digital Terrestrial standards.
- http://www.cabot.co.uk

Nativ
- UK-based development, design, and consultancy company specialising in interactive television, broadband, and broadcast technologies.
- http://nativ.tv

Linux TV.org
- Developmental information for Linux open source software for digital TV, DVB, receivers, Linux DVD players, and streaming video.
- http://www.linuxtv.org

Java Technology in Digital TV
- Java information for interactive digital television.
- http://java.sun.com/products/javatv/

HTTV
- France-based provider of end-to-end solutions for interactive digital television.
- http://www.httv.fr

Sofia Digital
- Provider of DVB-MHP software solutions for digital and interactive television.
- http://www.sofiadigital.com

NTL iTV developers site
- Information for developing on NTL's platform (Liberate) including emulator.
- http://www.digitalcabletv.co.uk/

Lysis
- Develops the leading software platform for the management and delivery of digital media content: lysis idtv, more than TV.
- http://www.lysis.com/

Alticast Inc.
- Provides interactive television software solutions based on DVB-MHP.
- http://www.alticast.com