The phrase "major publishers" refers to big and well-known companies that produce and distribute books, magazines, newspapers, or other written materials. Full definition
There were a lot of game demos shown, most of them were fantastic games from major publishers in the gaming industry. (gamechup.com)
It's become one of the fastest growing segments of the publishing sector, with major publishers getting in with the specialty publishers. (manga.jadedragononline.com)
We have also built campaigns «from scratch» on behalf of major publishers for their author clients. (hollywoodbookpublicity.com)