According to Anime!Anime!, Shueisha announced at Electronic Book and Comic Summit that 37 Japanese major publishers will launch a manga portal website for North America. The website "J Manga Portal Site (tentative name)" will be opened next March following a test launch of the beta version by the end of this year. Shueisha, Shogakukan, Kodansha, Kadokawa Shoten, and Akita Shoten will provide their manga electronically through the portal site.

Participants (partial):
Shueisha (Shonen Jump, Margaret), Shogakukan (Shonen Sunday, Chao), Kodansha (Shonen Magazine, Ribbon), Kadokawa Shoten (Shonen Ace), Akita Shoten (Shonen Champion), Ascii Media Works (Dengeki Daioh), Hakusensha (Hana to Yume, Young Animal), Shonen Gahosha (Young King Ours), Media Factory (Comic Alive), Enterbrain (Comic Beam), Futabasha (Manga Town), Fujimi Shobo (Dragon Magazine), Tokuma Shoten (Chara), Houbunsha (Manga Time Kirara), Ichijinsha (Comic REX), Akane Shinsha (Comic LO), Takeshobo (Kindai Mahjong)

Source: Anime!Anime!