National Publishing Company is a book manufacturing facility in the Courier Companies family of publishers. It is a publisher, printer and distributor of a variety of specialty books throughout the United States. The company was founded in 1824 with two lines of business: full-service book manufacturing and specialty publishing. Courier, through National Publishing Company, serves markets that show above-average growth rates and strong future prospects, such as educational, religious and specialty book publishing. The company has approximately 1,500 employees in nearly 10 operating locations throughout the U.S. National Publishing Company s office in Philadelphia reports to Courier Corporation, which maintains headquarters in North Chelmsford, Mass.