Kari Helland Berntsen

KB Gruppen Kongsvinger AS manufactures and trades finished concrete products. The company was founded on January 23, 1965 and is headquartered in Kongsvinger, Norway.

Gunnar Holth Grusforretning AS engages in the operation of gravel and sand pits. It also extracts clay and kaolin and distributes and sand, crushed stone, and gravel for construction. The company was founded in 1965 and is headquartered in Kongsvinger, Norway.

KB Vest AS owns companies or units of companies with businesses related to civil engineering, sales, and consultancy services. The firm also owns and operates real estate. In addition, it invests in shares, loans, and guarantees. The company was founded on February 10, 2012 and is headquartered in Bergen, 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.

Nes Miljøpark AS is a refractory product manufacturing private company based in Vormsund, Norway. Nes Miljøpark AS specializes in the production of refractory products. The Norwegian company was founded in 2017 and is led by CEO Trond Espen Berg Giæver.