Mangazenkan.com is a digital manga platform operating in the ecommerce sector, specializing in manga content. The company offers a subscription-based service that provides access to a library of digital manga, including free titles and a selection of paid volumes. Mangazenkan.com also provides services for purchasing manga volumes and ebooks. It is based in Tokyo, Japan.

Tsuburaya Productions specializes in entertainment content production, focusing on the live-action superhero series within the Ultraman franchise. The company offers a range of products and services including the creation of special effects series, production of related action figures, provision of online streaming content, and organization of events and cultural conventions. Tsuburaya Productions primarily caters to the entertainment industry, with a strong emphasis on the superhero and science fiction genres. It is based in Tokyo, Japan.

Whomor is a creative production company specializing in illustration and manga creation. They offer high-quality creative production and content development services, including game creatives, licensed illustrations, and webtoons, tailored to client needs. The company primarily serves the entertainment industry with a focus on digital comics and interactive media. It was founded in 2011 and is based in Tokyo, Japan.

Comee Inc. is involved in digital manga sharing and is part of the online entertainment industry. The company provides a platform where users can read and share manga works and create and manage their own manga content. Comee Inc. serves the online manga community. It is based in Sendai, Japan.

Oni Press is a respected publisher in the comic book and graphic novel industry. The company offers a wide range of original and licensed graphic novels, as well as periodical comics, without focusing on specific product names. The Oni-Lion Forge Publishing Group, which Oni Press is a part of, primarily serves the entertainment and publishing sectors. It was founded in 1997 and is based in Portland, Oregon.

Huashi Wangju Cultural Media focuses on digital media content services within the entertainment and media industry. The company offers a platform for online streaming of copyrighted movies, teleplays, cartoons, and programs. They primarily serve the digital entertainment sector by providing media integration and distribution solutions across various new media channels. It was founded in 2010 and is based in Beijing, Beijing.