How many college bookstore distributors in the US?

As of recent estimates, there are approximately 20 to 30 major college bookstore distributors in the U.S. These distributors serve thousands of college and university bookstores, providing a range of products including textbooks, merchandise, and supplies. The market is dominated by a few large players, but there are also numerous smaller distributors catering to specific institutions or regions. The landscape can change frequently due to Mergers and Acquisitions.