Ari Vesterinen

Harvia US, Inc. manufactures sauna heaters. The company is headquartered in New York, NY.

TylöHelo Group Oy develops, manufactures and markets sauna heaters, steam bath products, control units and sauna accessories. Its products include wood-burning and electric heaters and their controllers, steam generators, sauna and steam rooms, steam suites, infrared cabins and various types of sauna and steam bathing accessories. The company was founded in 2008 and is headquartered in Riihimäki, Finland.

Helo Oy develops, manufactures, and markets sauna and steam products. It offers sauna rooms, electric and wood burning heaters, control units, outdoor and infrared saunas, interior solutions, and accessories. The company was founded 1919 and is headquartered in Riihimaki, Finland.

Tylö AB develops, manufactures, sells, and services saunas. It operates through the following segments: Sauna, Steam Room, Steam Shower, and Infrared Sauna. The company was founded by Sven-Olof Janson in 1950 and is headquartered in Halmstad, Sweden.