Marko Pasi Kalevi Sipola

Viafin Terästorni Oy, based in Lappeenranta, Finland, was founded in 1968 by William J. Dobbin. Part of Volati AB, Viafin Terästorni Oy is a leading supplier of digesters and pulp towers. The Finnish company specializes in the manufacturing of various tanks and pressure vessels, including plasma and arc welding. The private company requires its employees to have a background in welding, the ability to read drawings, and a willingness to work in shifts. Toni Olavi Kilpeläinen has been the CEO of the company since 2010. Viafin Terästorni Oy was acquired by Volati AB from Viafin Oy on April 08, 2022.

Viafin Oy manufactures pulp towers, pressure vessels, and industrial piping assemblies. It serves production system suppliers and the energy, pulp, paper, and mining industries. The company was founded in 2006 and is headquartered in Espoo, Finland.

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.