Also see this site's other Business Index

List of Interactive TV Email and Interactive TV Browser Businesses
(Products, services and websites vary with time. Please verify.)

To find out more about an entity's involvement with interactive television, type both their name and "interactive television" in a search engine.

ANT Ltd.
Eyejot - Video email.
Internet Pro Video Ltd
Navio Navigator (Formerly a browser for use in the non-PC world)
Origyn Web Browser (OWB) - Based on Apple’s Webkit and is particularly designed for TV sets, TV decoders and other consumer electronic devices.
Pocket Internet Explorer (Microsoft's Windows CE browser)
tmira solutions - tmPlayer
ZeeVee - Web TV Browser.