
Ahadada Books is a small press based in Tokyo, Japan and Toronto, Ontario, Canada, specializing in new and experimental poetry and prose. Established in 1998 by Jesse Glass, it includes such authors as Alan Halsey, Geraldine Monk, Eileen Tabios, Yoko Danno, Jack Foley, Skip Fox, David B. Axelrod, Jonathan Chaves (professor), Grace Ocasio, Phillip Terry, Simon Perchik, Hugh Seidman, Richard Peabody, Jim Daniels, Rane Arroyo, Pierre Joris, Dayana Stetco, Jerome Rothenberg, Burton Watson, Lou Rowan, Tom Bradley, Tom Clark, Michael Heller, Don Wellman, among others.

Akane Shinsha (AS) is a Japanese publishing company focused on adult material, such as comics books, and magazines. The company was established in October 1976.

ASCII Corporation was a Japanese publishing company based in Chiyoda, Tokyo. It became a subsidiary of Kadokawa Group Holdings in 2004, and merged with another Kadokawa subsidiary MediaWorks on April 1, 2008, and became ASCII Media Works. The company published Monthly ASCII as the main publication. ASCII is best known for creating the Derby Stallion video game series, the MSX computer, and the RPG Maker line of programming software.

ASCII Media Works , formerly ASCII Media Works, Inc. , is a Japanese publisher and brand company of Kadokawa Future Publishing headquartered in Nishi-Shinjuku, Shinjuku, Tokyo, Japan. It originally formed on April 1, 2008 as a result of a merger between ASCII Corporation and MediaWorks where MediaWorks legally absorbed ASCII. Despite this, the former president and CEO of ASCII, Kiyoshi Takano, became the first president and CEO of ASCII Media Works. It became an internal division of Kadokawa Corporation on October 1, 2013.

Bandai Visual Co., Ltd. , formerly known as AE Planing, Network Frontier (1984–1988), and Bandai Media, was a Japanese anime, film production and distribution enterprise, established by Bandai Co., Ltd. and a subsidiary of Bandai Namco Holdings, Inc.

Books Kinokuniya is a Japanese bookstore chain operated by Kinokuniya Company Ltd. , founded in 1927, with its first store located in Shinjuku, Tokyo, Japan. It means "Bookstore of Kii Province". The company has its headquarters in Meguro, Tokyo.

Bungeishunjū Ltd. , established in 1923, is a Japanese publishing company known for its leading monthly magazine Bungeishunjū. The company was founded by Kan Kikuchi. It grants the annual Akutagawa Prize, one of the most prestigious literary awards in Japan, as well as the annual Naoki Prize for popular novelists. It also grants the annual Bungeishunjū Manga Award for achievement in the manga and illustration fields. It is headquartered in Chiyoda, Tokyo.
Chikumashobo Ltd. is a Japanese book publisher headquartered in Kuramae, Taitō, Tokyo.

Fujimi Shobo (富士見書房), formerly Fujimi Shobo Co., Ltd. , was a Japanese publisher that specialized in light novels, manga, role-playing games and collectible card games. Founded in 1972 and reorganized three times, it was at times an independent company and at times an imprint of Kadokawa Future Publishing. It ceased to be an independent company in 2013 and the brand was retired in 2015.

Hakubunkan is a Japanese publishing company founded in 1887 amidst the wealth and military prosperity of the Meiji era. Hakubunkan entered the publishing arena by printing a nationalist magazine as well as expanding into printing, advertising, paper manufacturing, and related businesses, becoming one of Japan's largest publishing companies in the process.

Hakusensha, Inc. is a Japanese publishing company. It is headquartered in Chiyoda, Tokyo.

Hayakawa Publishing Corporation is a Japanese publishing company. It is the largest science fiction publisher in Japan; almost all winners of the Seiun Award for Best Foreign Novel are published by the company.

Iwanami Shoten, Publishers is a Japanese publishing company in Tokyo.

Kadokawa Shoten (角川書店), formerly the Kadokawa Shoten Publishing Co., Ltd. , is a Japanese publisher and division of Kadokawa Future Publishing based in Tokyo, Japan. It became an internal division of Kadokawa Corporation on October 1, 2013. Kadokawa publishes manga, light novels, manga anthology magazines such as Monthly Asuka and Monthly Shōnen Ace, and entertainment magazines such as Newtype. Since its founding, Kadokawa has expanded into the multimedia sector, namely in video games and in live-action and animated films.

Kodansha Ltd. is a Japanese privately-held publishing company headquartered in Bunkyō, Tokyo. Kodansha is the largest Japanese publishing company, and it produces the manga magazines Nakayoshi, Afternoon, Evening, Weekly Shōnen Magazine and Bessatsu Shōnen Magazine, as well as the more literary magazines Gunzō, Shūkan Gendai, and the Japanese dictionary Nihongo Daijiten. Kodansha was founded by Seiji Noma in 1909, and members of his family continue as its owners either directly or through the Noma Cultural Foundation.

Nihon Bungeisha , or Nichibun (にちぶん), is a book and magazine publisher established in 1959 and based in Chiyoda, Tokyo, Japan.

Recruit is a human resources company headquartered in Japan. It was founded as "Daigaku Shimbun Koukokusha" in 1960 as an advertisement company that specialized in university newspapers. It owns the job search engine Indeed.

Sanseidō Co., Ltd. is a Japanese publishing company known for publishing dictionaries and textbooks.

Shinshokan is a Japanese publishing company. It was established on June 14, 1961. In April 2009, the US publisher Digital Manga Publishing announced a co-branding operation with Shinshokan, to license yaoi and shōjo manga from Shinshokan's Wings, Dear and Dear+ anthologies under the DokiDoki imprint.

Shogakukan Inc. is a Japanese publisher of dictionaries, literature, manga, non-fiction, DVDs, and other media in Japan.
Square Enix Holdings Co., Ltd. is a Japanese video game holding company, best known for its Final Fantasy, Dragon Quest, and Kingdom Hearts role-playing video game franchises, among numerous others. Several of them have sold over 10 million copies worldwide, with the Final Fantasy franchise alone selling 144 million, the Dragon Quest franchise selling 78 million and the Kingdom Hearts franchise selling 30 million. The Square Enix headquarters are in the Shinjuku Eastside Square Building in Shinjuku, Tokyo. Outside of video game publishing and development which the group is more known, Square Enix also is in the business of merchandise, amusement and publication of manga. The company employs some 4600 workers worldwide through its base operations and subsidiaries.
Takarajimasha, Inc. is a Japanese publishing company based in Chiyoda, Tokyo. It is known for publishing subculture-oriented fashion magazines aimed at teens, fashion magazines in general, as well as guide books.

Takeshobo Co., Ltd. is a major publisher in Japan.
Tokuma Shoten Publishing Co., Ltd. is a publisher in Japan, headquartered in Shinagawa, Tokyo. The company was established in 1954 by Yasuyoshi Tokuma in Minato, Tokyo. The company’s product portfolio includes music publishing, video game publishing, movies, anime, magazines, manga and books.

Toyo Keizai Inc. is a book and magazine publisher specializing in politics, economics and business, based in Tokyo, Japan.

Wani Books Co., Ltd. is a Japanese publishing company focused on manga-related publication, including magazines and books. The company was established in November 1979. It publishes a manga magazine called Comic Gum.

Yuhikaku Publishing Co., Ltd. is a Japanese publishing company known as a specialist legal publisher. It has been run by the Egusa family since its foundation in 1877, headquartered in Kanda-Jinbōchō, Tokyo.