If any links are duds or if you would like to suggest a site, please inform me so I may update the list. Thank you for your help!

Publishing Companies
Companies that are willing to accept submissions by up and coming artists and publish in print format.
Antarctic Press
CMX Manga (DC Comics)
Dark Horse Comics
Go! Comi
Komikwerks
Net Comics
Radio Comix
Tokyopop
Seven Seas Entertainment
Slave Labor Graphics
Yen Press

Publishing Companies – Other
Companies that are known to publish manga but may or may not accept submissions from up and coming artists (or at least lacks submission info at site).
Aurora Publishing
Bandai Entertainment
Del Rey
Digital Manga Publishing (DMP)
Dr. Master Books
Udon Entertainment
Vertical Inc
Viz Media

Small Press Studios
A small press publisher formed by several manga artists bringing out their own line of manga into the market and willing to publish other artists too!
ALC Publishing (Yuri)
Yaoi Press (Yaoi)
NDP Comics
QTK Anime

Online Publishers
Online web sites dedicated to featuring regularly updated manga via the web and to signing dedicated manga-ka’s.
Online Comics (comic directory)
Eigo Manga
eManga (part of DMP)
Musa Jump
WirePop

Overseas Publishers
Manga publishers you can apply to abroad.
Sweat Drop (UK)
OzTaku (Australia)
Xuan Xuan (Australia)

Distributors
Comic distributor’s that will send your work to all the corner’s of America!
Diamond Comic Distributors, Inc.
DL Site (Manga, cg, novels, games, anime, music)
FM International
Haven Distribution (formerly Cold Cut Comics)
Last Gasp
Westfield Comics

Schools, Colleges, and Universities
Places you can go to to learn how to draw manga, anime techniques, and how to speak Japanese.
Keio Academy of New York (NY, USA)
Kyoto Seika University (Japan, manga)
Nihon Kogakuin College (Japan, anime, manga, video games, etc)
Yoyogi Animation Institute (Japan, anime)

Tutorial Sites
Tutorial sites for drawing, photoshop, self-publishing, and much more! For more links, check out our Massive Online Tutorials thread in the forum.
How to Draw Anime Manga
Kabukiyasha (Multiple links and resources)
Warrior Dreams (Anime and manga drawing tutorials in Portugeuse)
OniKimono’s Resources for Comic Creators
Good-Tutorials.com (Tons of Photoshop tutorials!!)
Stickman Graphics Self-Publishing Resource
Articles for Writers & Publishers

Various Resources
Various sites for references, comic book fonts, and more.
Morgue File (Reference materials)
ArtMorgue.com (Reference materials)
Human Anatomy Pictures (Reference materials)
Blambot (Comic book fonts)
Comic Book Fonts (Comic book fonts)
Ban Comic Sans (Comic book fonts)
Larabie Fonts (Comic book fonts)

Artist Community
Get advice and hang out with other artists in these communities.
CG Talk
Conceptart.org
GFX Artist
Epilogue

Expo’s & Cons for Small Presses
Conventions that are friendly for the independent manga creators who like to sell their work themselves.
Small Press Expo
Wondercon

Art Suppliers
Get your art supplies and other goodies from these web sites!
Letraset (UK)
Deleter
Copic Marker
Dinky Box (UK)
Akadot Retail (US)
Blue Line Pro (Traditional art supplier)
Dick Blick (Traditional art supplier)
Pearl Paint (Traditional art supplier)
Mister Art (Traditional art supplier)
Cheap Joe’s Art Stuff (Traditional art supplier)

Anime & Manga News Sites
Get up-to-date info on anime and manga!
Active Anime
Anime News Network
Manga Jouhou
Manga Life
ICv2
ComiPress

If any links are duds or if you would like to suggest a site, please inform me so I may update the list. Thank you for your help!