Kristian Holth

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

Contiga AS manufactures steel and precast concrete. It provides all types of steel and concrete elements for industrial, office, commercial and residential, and transportation sectors. The firm offers complete solutions consisting of all services from project development and conceptual design to detailing, production, and to on-site installation and documentation of the end-product as well as engineering services. The company was founded in 1998 and is headquartered in Oslo, 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.

BL Entrepenør AS engages in the construction of roads and highways. The private company is based in Tiller, Norway.

Part of Heidelberg Materials AG, Nordic Precast Group AB provides contracting services of prefabricated frame solutions for building and construction. The company is based in Stockholms, Sweden.