Job Description. Job Description. The Company. TRM Innovative Hearth Products is the buyout of several companies that have been merged throughout the years including but not limited to Fireplace Manufacturers Inc., (FMI), and Lennox Industries Hearth Division. The aggregate company included rollups of Marco. Superior Fireplace, which began in the 1930s. stove and insert companies including Country Stoves, established in 1977. FMI, a subsidiary of...