Medlemmer Utler Entreprenør AS Arvid Thomassen Graveservice AS Daniel Jakobsen Maskin AS Jon AS Innlandet Brønn- og Energiboring AS Karl Inge Sandtrøen AS Lerberg Graveservice AS Skjeggerød Fjellsprengning AS Hallingdal Brønn og Graveservice AS Lundberg og Sæteråsen AS
