Courier is a book publisher with printing presses located at Alpine Circle in Stoughton. The company was founded in 1824 and today is a major publisher, printer and bookseller. Recent acquisitions have made it the third largest book manufacturer in the United States. In 2009 the company published over 175 million books. The company headquarters is located in North Chelmsford, Massachusetts. Services include kitting, assembly and pick and pack products.