Medlemmer Nortrans veg og Anlegg AS Myrbostad Bygg & Anlegg AS Beitstad Maskin AS Kaugerud Brønnboring AS Brødrene Myhre AS Hallingdal Bergboring AS Vestnorsk Brønnboring Drift AS Kristoffersen AS Graving og Sprenging AS Langvann Maskin og Utemiljø AS
