Matti Veijo Ensio Viljo

Gren Eesti AS is an Estonian company that goes by the name Gren. The private company is based in Estonia, specifically in Parnu, and has subsidiaries in Lithuania, United Kingdom and Estonia. The company has a simple and friendly introduction on their website that says "hi, we are now gren. welcome, we are gren!" Ilkka Niiranen has been the CEO of the company since 2021.

Gren is a private company based in Helsinki, Finland. Gren's description states that they are a Finnish company called "welcome, we are gren!" Ilkka Niiranen has been the CEO of the company since 2021.

Tieto Oyj provides full lifecycle information technology services. It also provides global product development services for companies in the communications and embedded technologies arena. The company operates through the following segments: Managed Services, Consulting and System Integration, Industry Products and Product Development Services. TietoEVRY was founded in 1968 and is headquartered in Espoo, Finland.

Adven Group Oy provides energy solutions and district heating services. Its products include industrial steam and refrigeration, heating, cooling solutions, gas, and electricity. The company was founded on November 10, 2008 and is headquartered in Vantaa, Finland.

Adven Oy provides electricity and district heating services. It owns and operates plants to produce processed steam, heat and cooling at production facilities. The firm is a market leader in outsourced industrial and commercial energy solutions. The company was founded in 1983 and is headquartered in Vantaa, Finland.

Sanako Oy provides language teaching software. It develops virtual language learning solution and offers Study 1200, a language lab with classroom management; Study 700, a classroom management software with a focus on improving communication skills; Study 500, a classroom management software for using class time for teaching and learning; and Lab 100, a digital language teaching solution. The company was founded by Timo Vasankari in 1961 and is headquartered in Espoo, Finland.

Part of TietoEVRY Corp., TietoEnator Abp provides IT solutions to the healthcare industry. The company is based in Kista, Sweden.

Part of Oracle Corp., Oracle Corp. Nordic AB is a Swedish company that provides software services.