Patrik Pyton Rygg

GK Gruppen AS engages in the provision of technical installations. It operates in the following business areas: ventilation, building automation, air conditioning, plumbing, electrical, water based energy systems, and energy. The firm also offers consultancy for system integration, sprinklers, heating, and energy conservation. The company was founded by Kristian Nordberg in 1964 and is headquartered in Oslo, Norway.

Ballplassveien 2 AS engage in real estate industry. The company was founded on November 28, 2014 and is headquartered in Oslo, Norway.

Fyrstikktorget Eiendom AS invests in shares, participations, and real properties. The company was founded on June 16, 2016 and is headquartered in Oslo, Norway.

Fyrstikktorget Utvikling AS provides and investment services. It owns, operates, leases, and sells real estate property. The company was founded on September 5, 2017 and is headquartered in Oslo, Norway.

Stor-Oslo Eiendom AS provides real estate services. It offers housing, commercial, hotel, and logistic properties. The company is headquartered in Oslo, Norway.