D. C. Heath and Company

D. C. Heath and Company was an American publishing company specializing in textbooks. It was founded in 1885 in Boston by Edwin Ginn and Daniel Collamore Heath and was later located at 125 Spring Street in Lexington, Massachusetts. From 1966 to 1995 the firm was owned by Raytheon. When Raytheon exited the textbook market, it sold the company to Houghton Mifflin. Provided by Wikipedia