Hands Off the Internet (HOTI) - Anti-regulation website. "Hands Off The Internet is a nationwide coalition of Internet users united together in the belief that the Net's phenomenal growth over the past decade stems from the ability of entrepreneurs to expand consumer choices and opportunities without worrying about government regulation." Members include AT&T, Bell South, Cingular, National Association of Manufacturers, See also this HOTI article from Sourcewatch.org.
Open Internet Coalition - "Our coalition speaks for tens of millions of Americans and spans the entire political spectrum. We stand together for protecting an open Internet where everyone can access what they want when they want."
Savetheinternet.com - A network neutrality advocacy website. "The SavetheInternet.com Coalition is made up of groups from across the political spectrum that have banded together to save the First Amendment of the Internet: network neutrality. No corporation or political party is funding our efforts." Members include American Library Association and American Civil Liberties Union.