- Penguin Random House: This is one of the largest publishers in the world and publishes a wide range of paperback books, including fiction, non-fiction, and children's books.
- Hachette Book Group: Hachette is another major publisher with a large imprint of paperback books. They publish a diverse range of books, including literary fiction, thrillers, mysteries, and more.
- HarperCollins Publishers: HarperCollins is another large publisher that releases a wide variety of paperback books, including bestsellers, classics, and new releases.
- Simon & Schuster: Simon & Schuster is a major publisher that focuses on both hardcover and paperback books. They publish a range of fiction, non-fiction, and children's books.
- Macmillan Publishers: Macmillan is a publisher that releases many paperback books, including classics, thrillers, contemporary fiction, and more.
- Scholastic Corporation: Scholastic is a publisher that specializes in children's books, including many popular paperback series.
These are just a few examples of publishers that issue paperback books. In general, many different publishers release paperback books.