These are individual stations that broadcast independently from anyone else. True, some may be rebroadcast on the multistation providers, but these are the separately-maintained websites for each.
http://breakpirates.com
From the UK, "Bringing you quality underground music since 2001".
http://indie1031.fm
http://kbon.com
"Your variety music station with a Louisiana flavor."
http://kexp.org
http://publicbroadcast.net/wncw/ppr/index.shtml
http://remanissradio.net
"The UK’s leading Oldskool Hardcore and Jungle station on the net."
http://solopianoradio.com
"Music to quiet your world"
http://wfmu.org/ssaudionet.shtml
http://wjza.com
Jazz.
http://www.3wk.com
"Underground radio"
http://www.9412.com
"The Rock Station"
http://www.bluemars.org
http://www.cd101.com
"The alternative station"
http://www.digitalgunfire.com
"Industrial strength aural assault"
http://www.eggradio.com
"Streaming alternative classic modern rock"
http://www.woxy.com
"Independent and truly alternative"
http://www.wqxr.com/cgi-bin/iowa/index.html
Classical radio from New York.
http://wxrt.com
Chicago, Illinois' "Finest Rock"
http://xpn.org/listen.php
Public radio from Philadelphia, PA
http://www.wumb.org
Contemporary and traditional folk music 24x7, from Boston, MA
http://www.laestacionmascompleta.com/947
Spanish language, commercial-free radio.
http://www.webradiopugetsound.com
Local independent radio from the Seattle / Tacoma area.
http://www.radio84.com
Early rock and roll from the 1950s, 1960s and 1970s.
http://www.epiphanyradio.org
"Independant Electronica Groove Internet Radio and Music"
http://www.friskyradio.com
http://www.kplu.com
"NPR News and all that Jazz"
http://www.monkeyradio.org
"Grooving. Sexy. Beats."
http://www.nugs.net
Psychedelic
http://www.radioparadise.com
"Eclectic online rock radio"
http://www.reelradio.com
"The Authentic Aircheck Museum of Classic Top 40 Radio"
http://www.rrr.org.au
http://www.snakenetmetalradio.com
"Home of the metal nation"
http://www.somafm.com
"Listener-supported, commercial-free, underground/alternative radio broadcasting from San Francisco."
http://www.spankradio.com
"Internet only indie radio"
http://www.swissgroove.ch/en/index.html
"This planet's grooviest webradio" from Zurich, Switzerland
http://www.synthetic.org
"Real Synthetic Audio is the most listened to Industrial net-radio show."
http://www.techwebsound.com/index.html
"60s psychedelic web radio"
http://www.tuksfm.co.za
http://www.wazee.org
"Modern alternative rock"
http://www.wdetfm.org
Detroit, Michigan Public Radio
http://www.wefunkradio.com
"Radio for your mind"
http://www.xfmdublin.com
On the Internet since 1992, "Dublin's Alternative Music Station" has the honor of being the first Ireland online radio station. They broadcast via XFM and also provide free streaming.
http://www.epiphanyradio.org
"Independent Electronica Groove Internet Radio and Music"
http://www.wicn.org
Jazz and folk internet radio from New England.
http://www.oldskoolravers.co.uk
"Keeping vinyl alive", this is the "Uk's No.1 Online Oldskool Radio Station".