I have books out with several publishers in the UK, USA and Japan.
Here is basic info about them and their web sites:
Top Shelf Productions (now part of IDW) is an American publishing company founded in 1997, originally owned and operated by Chris Staros and Brett Warnock. Now an imprint of IDW Publishing, Top Shelf is based in Marietta, Georgia.
Top Shelf publishes comics and graphic novels by authors such as Alan Moore, Craig Thompson, James Kochalka, Andy Runton, Jeffrey Brown, Nate Powell, Alex Robinson, Jeff Lemire, and Matt Kindt.
My books with them include: AX: alternative manga and Cigarette Girl
New Internationalist a non-profit, media co-operative, based in Oxford, UK, founded in 1973. The world's leading independent publisher of magazines and books on politics, global justice and equality. They merged with Myriad Editions recently, which is good for both in various ways.
My books with them include: Fight the Power, Goodbye God? and Portraits of Violence.
2018 catalogue is here:
Shambhala Publications is an independent company based in Boulder, Colorado, founded in 1969. It specializes in "books that present creative and conscious ways of transforming the individual, the society, and the planet".Many of its titles deal with Buddhism and related topics in religion and philosophy.
My books with them are the only graphic novels they do, and include seven books so far, such as: The Book of Five Rings, Bushido, Cold Mountain and The 47 Ronin
Kodansha Ltd. is the largest Japanese publishing company, headquartered in Bunkyō, Tokyo, Japan.
My book with them include: Hagakure and The 47 Ronin 忠臣蔵
NBM is a leading critically acclaimed graphic novel publisher showcasing the diversity of comics from North America and Europe, founding in 1976.
My books with them include: The Story of Lee and Breaking the 10
North Atlantic Books is a non-profit, independent publisher based in Berkeley, CA, emphasizing alternative health and nutrition, martial arts, meditation, and books on spirituality. They also have a small range of graphic novels.
My books with them include: Secrets of the Ninja and The Black Ships
Classical Comics is a British publisher of graphic novel adaptations of the great works of literature, including Shakespeare, Charlotte Brontë and Dickens.
My books with them include: A Christmas Carol and Wuthering Heights