In 1925, Shueisha was created by major publishing company Shogakukan (founded in 1922).  After World War II, Shueisha started publishing a manga line called Omoshiro Book. Omoshiro Book published a picture book called Shōnen Ōja, which became a huge hit among boys and girls.

Manga magazines published by Shueisha include the Jump magazine line, which includes shonen magazines Weekly Shōnen Jump, Jump SQ, and V Jump, and seinen magazines Weekly Young Jump, Grand Jump and Ultra Jump. They also publish other magazines, including Non-no. Shueisha, along with Shogakukan, owns Viz Media, which publishes manga from all three companies in North America.

Shueisha has published many kanzenban magazines. Kanzenban magazines consist of one series being published for roughly a year and then another and so on, unlike normal manga magazines which have a variety of series. The select series has chapters from roughly three volumes in every issue.

This is also the publishing company behind the success of some of the most popular manga and is familiar to Vietnamese readers such as Naruto, One Piece, ...

According to en.wikipedia.org