Game Related
http://www.gamasutra.com/
Website for game developers
http://www.persuasivegames.com/
independant gamedevelopers
Theatre&New Media
Europe:
http://www.filmfabriek.com/
media design for theatre
http://on1.zkm.de/zkm/e/
new media institute based in kalsruhe Germany
http://www.ruudlanfermeijer.nl/
Designer of shade interactive
http://www.pipslab.nl/
Crazy people doing crazy fun things
http://www.trampoline.org.uk/about.htm
stimulate new projects
http://www.iets.be/
Collevtive of Belgian artists
http://www.planetart.nl/
Foundation based in Enshede doing crazy things
http://noisivision.nl/index.html
group based in Eindhoven organising mixed-up events
U.S.:
http://digitalperformance.org/
Blog about artists which embrace technology
http://www.gertstein.org/
Theatre company that supports digitalperformances.org
http://www.thekitchen.org/
non profit organization based in New York for artists
http://beallcenter.uci.edu/
Center for new media and gallery
Other:
http://www.mixedrealitylab.org/
Mixed reality reserch lab based in Singapore
NewMedia
Netherlands:
http://www.v2.nl
New media institute
http://www.mediamatic.net
Newmedia, art and culture
http://www.montevideo.nl/
Dutch institute for media art
http://scii.nl/
Dutch organisation...
http://www.sat.qc.ca/index.php?lang=en
French new media center
http://graffitiresearchlab.com/
Graffiti meets new media
Germany:
http://whitevoid.com/
Berlin based interactive art&design group
http://www.bitnik.org/en/
Gemran art collective
Italy:
http://www.todo.to.it/
Italian design collective
http://isole.ecn.org/aha/English/index_en.htm
Italian Community activism-hacking-artivism
US:
http://www.derivativeinc.com/
Software company for interactive tools for artists
http://rhizome.org/
Net art, community and more
UnKnown
http://goto10.org
Theatre Groups
Europe:
http://www.shade.nl/
theatre group who works regularly with new media
http://www.shade.nl/index2.php?lang=nl
shade interactive
http://www.ish-events.com/
skate theatre group
http://seesproject.com/
Theatre collective
http://www.zip.nl/
A organization that helps theatre groups with the business side of things
U.S./Canada:
http://www.amdat.org/index.html
New York based new media-dance company
http://www.dtw.org/
New York based place for artist to work
http://www.snappydance.com/
Boston based Dance Company
http://www.bridgmanpacker.org/index.php
American dance group
http://www.4dart.com/
Canadian theatre group that uses holographic images
Other:
Design Company/group
http://www.magnetstudio.com/
Grpahic desing compagny based in London
http://www.softmedia.nl/
Dutch new media company based in Eindhoven
http://loop.ph/bin/view/Loop/WebHome
Designers
http://submarine.nl
Dutch Company who makes digital content
http://uva.co.uk
A team of Visual Artists doing some very inspiring projects
http://woestijninblik.com
Dutch Ideas Company
http://www.shilodesign.com/
American Design company did things for MTV and much more
http://www.shivliz.com/
webdesign agency
http://www.onedotzero.com/home.php
Cros media company who do also installations
http://www.shapers.nl/index.php
Dutch interaction design company
http://www.heyhush.com/
Amarcian design Group
http://www.grdd.co.uk
London based design group
http://www.simplebits.com/
Website design studio
http://www.qubekonstrukt.com/
Design collective form Australia
http://www.studioazzurro.com/
Research studio based in Italy
Hardware Compagnies
http://www.adafruit.com/
The buy self made pre made gadgets
http://www.freeset.com/
not exactly a hardware company, but the offer hardware solutions..
Schools
http://www.sandberg.nl/
School for arts ?
http://www.i-dat.org/go/home
digital art education
http://www.kabk.nl/lab/index.html
lab for Art and RFiD
http://www.dmiboston.org
school about dynamic media used in communication
http://www.accademiacarrara.it/
school of new media
Social Related
http://www.bof.nl/index.html
Website about digital civilian rights