Johannes Helland

Betong AS engages in architecture services. It produces concrete elements that are both used in traditional buildings and special items such as customized structures. The firm’s product is ground and polished facade elements. The company was founded on June 23, 1999 and is headquartered in Oslo, Norway.

Øster Hus AS acquires and trades real properties. It offers houses and apartments in the following counties: Stavanger, Sandnes, Sola, Bryne, Klepp, Randaberg, and Rennesøy. The company was founded in 1974 and is headquartered in Sandnes, Norway.

Ølen Betong AS manufactures and distributes concrete products. Its products include ready-mixed concrete, concrete, concrete elements and transportation and logistics. The company was founded in 1974 and is headquartered in Olensvag, Norway.

Vicon AS provides contracting services. The company was founded on December 5, 2018 and is headquartered in Oslo, Norway.

KB Gruppen AS provides highway, street, and bridge construction services. The private company is based in Kongsvinger, Norway and has subsidiaries in Norway. The Norwegian company was founded in 2015. Otto Halvorsen Rosendahl has been the CEO of the company since 2023.

Byggopp, Opplæringskontor For Bygg- og Anleggsteknikk Rogaland is a private company based in Stavanger, Norway. Byggopp is a training office for building and civil engineering in Rogaland. The Norwegian company specializes in the painting profession, which involves coloring, maintenance, and protection of interior and exterior surfaces in buildings and structures. Decoration and restoration are also important tasks. The company was founded in 1995 and the CEO is Odd Egil Djøseland.