Mikko Bergman

One1 Oy provides renewable energy and energy efficiency services and solutions for energy companies, municipalities, and communities, as well as developers and property owners. It offers district cooling, network, and equipment solutions, intelligent hybrid systems, heat pumps, bio boilers and plants, solar collectors and panels, as well as energy sales, maintenance, and exhaust air heat pump design and implementation services. The firm also supplies energy efficient district heating and consumer systems interface solutions. The company was founded by Jukka-Pekka Bergman, Mika Petteri Kallio, and Harri Juhani Kemppi on June 18, 2010 and is headquartered in Lahti, Finland.

Summa Capital Oy is a private company based in Helsinki, Finland that specializes in investment management. Summa Capital offers a range of investment services and operates a training program called Summa Academy. The Finnish company also provides information on its compliance with the Credit Institution Act. The company was founded in 2003 and has been led by CEO Mikko Bergman since its inception.

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.