ILL Clan Machinima
A collective of 3D artists, filmmakers and improvisational comedians creating animated episodic shows using the machinima process and 3D CGI.
http://illclan.com/

Clan Phantasm
Makers of the feature-length Quake movie, Devil's Covenant. Screen shots, information about their team, and downloads of DC and other films.
http://www.planetquake.com/phantasm/

Academy of Machinima Arts and Sciences
Information about this organization established to promote and organize the growth of Machinima filmmaking.
http://www.machinima.org

Rooster Teeth Productions
Producers of Machinima series Red Vs Blue, The Strangehood and P.A.N.I.C.S.
http://www.roosterteeth.com

Machinima Premiere
Dedicated to promote the making of Machinima movies. Contains news, a forum and links to movies.
http://www.mprem.com

Machinimag
Archives of a machinima magazine PDF from 2004 to 2005.
http://machinimag.com/

Machinima.org.uk
Offers information on how create films and a selection of movies.
http://www.machinima.org.uk/

3DFilmMaker.com
Blog-style news and media site by independent Machinima filmmaker Ken Thain. Contains pointers to a selection of Machinima films on the web.
http://www.3dfilmmaker.com/

Sims99.com
Ratings and reviews of Machinima as well as user created flash movies, animation, live action short films and cinema releases. Includes articles, moviemaking tips and a forum.
http://www.sims99.com

Planet Video
Professional machinima production company providing virtual video services for corporate and educational clients.
http://www.planetvideo.co.uk

Koinup
Social networking site based around shared machinima, game screenshots and virtual stories contributed by members.
http://www.koinup.com

Edgeworks Entertainment
Creators of the Heretic machinima series.
http://www.thecodexseries.com/

Mad Cow Studios
Makers of humorous machinima music videos.
http://madcow-studios.com

Strange Company
UK-based production company. Previous work includes the acclaimed film "Ozymandias". Developers of several free Machinima production tools.
http://www.strangecompany.org/

Blubba Productions
Comedy machinima series based on the Halo 3 games engine.
http://www.blubbaproductions.com

Tales From Fiddler's Green
Comedy machinima video based on the Halo 3 game engine.
http://talesfromfiddlersgreen.webs.com