Based on 2013 revenue, the top publishing companies in the world form a diverse group that includes Pearson, Reed Elsevier, Thomson-Reuters, Wolters Kluwer and Random House. Together, this top five earned approximately $31 billion in 2013.What is a self publishing company?
A self-publisher is an author who is also the publisher of their work. When you self-publish, you are doing the same work that a traditional book publishing company does. One of the biggest roles a traditional book publisher fills is covering the cost of printing.