organizations
Internet Society: champions open internet access.
Internet Architecture Board (IAB): oversees the engineering of internet protocols.
Internet Engineering Task Force (IETF): the improved engineering of the internet.
World Wide Web Consortium (W3C): develops high level web protocols.
Interview of Tim Berners-Lee about his role in Olympics opening.
Web Hypertext Application Technology Working Group (WHATWG): browser makers focused on developing HTML.
Domain registrars: let you buy domain names
TUCOWS (hover)
others
Internet Corporation for Assigned Names and Numbers (ICANN):
Others
NSF
NASA
DOD
Telcos