Houghton Mifflin Harcourt Publishing Company is a Boston-based provider of educational content, technology, and professional services for the U.S. K-12 market. The company operates through two divisions, Education and Trade and Reference, with an estimated 41% addressable market share in K-12 instructional materials. Employing approximately 3,300 people, it maintains offices in Massachusetts, Florida, Illinois, Texas, New Hampshire, and Ireland. Its portfolio includes textbooks, digital learning platforms, and trade titles under brands like Holt McDougal, Saxon, and Riverside.
