Founded in 1832, Houghton Mifflin Harcourt Publishing Company is one of the leading publishers of educational materials in the United States. The company has annual sales of more than $1 billion. It publishes textbooks and instructional technology resources for colleges and schools. Houghton Mifflin Harcourt Publishing Company offers a selection of fiction and nonfiction books for adults and youths. The company maintains a collection of supplemental resources for children in pre-kindergarten through grade 12. It also provides various types of clinical and educational assessment materials. In addition, Houghton Mifflin Harcourt Publishing Company develops religious resources. It is wholly owned subsidiary of Education Media and Publishing Group (EMPG).