Geir Magne Byberg

Østfold Høytrykk AS is a private company based in Fredrikstad, Norway. Østfold Høytrykk AS provides emptying, flushing, and plumbing services. The Norwegian company was founded in 2002 and is led by CEO Bjørn Henrik Fallang.

Gravco AS engages in the provision of water and sewage works. Its services include water jetting of clogged pipes; maintenance flushing; pipe inspection of sewers; Improvement of drainage; cable excavation; exterior insulation; winter excavation; emptying the sand traps; improvement of water and sewage; excavation for district heating; emptying the grease trap; and draining the oil separator. The firm removes drain blockage and performs pipe inspection for condition monitoring of all types of pipes. The company is headquartered in Oslo, Norway.