Ilkka Tappio Pentikäinen

Vaaka Partners Oy (Vaaka Partners) is an independent private equity firm founded in 1989. The firm is headquartered in Helsinki, Finland.

Renewa Oy delivers customized boiler plants for energy production. It delivers customized boiler plants for energy production, as well as maintenance and lifecycle services. The firm offers combustion solutions for local energy production using biomass in heat and power plants. It supplies biomass fired heat and power plants based on bubbling fluidized bed, boiler and grate boiler technologies, as well as auxiliary plants and peak power plants using fossil fuels. The company was founded in 2008 and is headquartered in Espoo, Finland.

The theory that heat can be used to improve the resistance of wood to decay has been around for thousands of years. In the 1920's scientists began to make a concerted effort to put this theory into practice. It was in the late '90s that a real breakthrough was made in thermally modifying wood on an industrial scale, and for more than ten years now Stellac has been sharing its unique process world-wide. The reliability of Stellac® technology and its process control systems ensure that every single batch of Stellac®Wood meets the highest quality specifications. By overseeing the whole project from start to finish - design, construction, commissioning, training, TMT quality control, and support services-Stellac ensures that the product always meets customers' expectations. Over the years, in order to achieve and maintain its position as a global leader in thermal wood-modification technology, Stellac has invested in people. Its continually expanding team is dedicated to delivering the best possible solution to meet customers needs and to assist them in achieving total customer satisfaction.

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 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.

Sarco Oy provides integrated light solutions. It offers alarms, communication systems, special electronic devices, and vehicle warning lights and systems. The company was founded in 1926 and is headquartered in Helsinki, Finland.

Malkit Oy engages in the sale of real estate consumables and services. The company was founded in 1986 and is headquartered in Helsinki, Finland.

West Welding Oy engages in the manufacture of pressure vessels, heat exchangers, and liquefied natural gas storage tanks. The company was founded on October 7, 1992 and is headquartered in Teuva, Finland.

Assemblin Oy provides technical installation solutions. It designs, installs, and maintains technical systems in the areas of electricity, heating, sanitation, ventilation, and automation. The company was founded on October 9, 2006 and is headquartered in Helsinki, Finland.

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.