Donald Domingo MacKinnon Hopper

Mattiovi Oy manufactures and markets interior doors and door frames. Its offers solid wood, as well as sauna, fire, soundproof, and water resistant doors. The company was founded in 1911 and is headquartered in Laitila, Finland.

HappyOrNot Oy provides reports and analytical data measurement services. It specializes in real-time data and developing applications and services based in large sampling. The firm develops a smiley metering device that act as a customer satisfaction meter for getting customers and employee?s feedback to continuously improve and gain a full overview of company?s physical and online service performance. The company was founded by Ville Levaniemi and Heikki Tapio V??n?nen in 2009 and is headquartered in Tampere, Finland.

Taaleri Pääomarahastot Oy (Taaleri Pääomarahastot) is a private equity subsidiary of Taaleri Varainhoito Oy founded in 2009. The firm is headquartered in Helsinki, Finland.

Envera Oy provides remote water monitoring systems for property owners. It offers water leak management solutions. The company was founded by Henri Kajula on October 31, 2013 and is headquartered in Espoo, Finland.

Ensto Invest Oy functions as an investment holding Finnish company. The private company is based in Porvoo, Finland. and has subsidiaries in Finland. The company was founded in 2017. The CEO is Tero Tapani Luoma.

Volter Oy produces electricity and heat from biomass. It offers low emission, small-scale biomass, manufacturing, biogas technology, renewable energy production and wood gasification. The company was founded by Juha Petri Sipilä in 1998 and is headquartered in Tupos, Finland.