The Most Popular Nonfiction Publishers on Amazon

1. Penguin Random House - One of the largest book publishers in the world, Penguin Random House has a strong presence on Amazon and has several imprints such as Viking, Hamish Hamilton, and Allen Lane.

2. HarperCollins - Known for publishing a wide range of nonfiction, including biographies, memoirs, and cultural criticism.

3. Simon & Schuster - This publisher specializes in publishing nonfiction on popular culture, entertainment, and current events, and has a strong presence on Amazon.

4. Hachette Book Group - This publisher has a strong presence on Amazon and known for publishing a wide range of nonfiction, including biographies, memoirs, and cultural criticism.

5. W. W. Norton & Company - This independent publisher has a strong presence on Amazon and known for publishing high-quality nonfiction, including biographies, memoirs, and cultural criticism.

6. Oxford University Press - This university press has a strong presence on Amazon and known for publishing nonfiction in the areas of science, technology, and medicine.

7. Cambridge University Press - This university press has a strong presence on Amazon and known for publishing nonfiction in the areas of science, technology, and mathematics.

8. The MIT Press - This university press has a strong presence on Amazon and known for publishing nonfiction in the areas of science, technology, and the arts.

9. Random House - This imprint of Penguin Random House has a strong presence on Amazon and known for publishing nonfiction in the areas of science, technology, and current affairs.

10. Basic Books - This imprint of Hachette Book Group has a strong presence on Amazon and known for publishing nonfiction in the areas of science, technology, and mathematics.