Mats Christer Tånnander

Comparative AB offers cleaning services for commercial buildings and offices. It serves private property, customers in need of a traditional office cleaning to retail, and industrial cleaning. The company was founded in 1996 and is headquartered in Helsingborg, Sweden.

Heatex AB specializes in air-to-air heat exchangers whose purpose it is to maximize the heat transfer between air flows. The firm offers plate heat, rotary heat, closed circuit cooling, cross flow, rotating heat, and counter flow exchangers; and dampers. It also provides Heatex Select, a free calculation software that offers information, including performance data, energy saving calculation, mollier diagram, and engineering specifications. The company was founded in 1987 and is headquartered in Malmo, Sweden.