Ilkka Tapio Mujunen

Heatmasters Group Oy designs, manufactures, and sells heat treatment equipment and accessories. The firm offers heat treatment services in its own workshops in seven countries and at client's project sites. It includes energy utilities, oil refineries, off-shore industries, as well as heavy machine shops. The company was founded in 2007 and is headquartered in Lahti, Finland.

Heatmasters Oy provides heat treatment services and equipment. Its offer includes on-site and furnace heat treatment, temporary furnaces, rental equipment, after sales services, and training. It also offers furnaces, heat treatment and mobile control units, controllers, heating elements, tools, and accessories. The company was founded in 1995 and is headquartered in Varkaus, Finland.

Founded in 2004, Heatmasters Poland Sp zoo is a subsidiary of Heatmasters Group Oy. The company is based in Bedzin, Poland. The Polish company provides heat treatment equipment and services.

Roxia Oy provides flow control solutions. Its products include valves, pumps, auxiliaries, and spare parts. The company was founded on July 1, 1993 and is headquartered in Lappeenranta, Finland.