Hearth Products Controls Company (HPC) was originally a division of The Maddox Company (founded by Dan Maddox) and was incorporated on December 1, 1975. Since then, TMC has been active in the hearth products industry as a manufacturers representative, one-step & two-step distributor, and as a manufacturing division. The HPC division began in 1989; HPC was split off as a separate corporation in 2001.