Medlemmer Eltoft Maskin AS Brødrene Langøien Anlegg AS Kjell Foss Nord AS Staven Grus AS Høytrykks-Vakta AS Steinsund Entreprenør AS Tronfjell Maskin AS Trond Hjelset AS Horisontal Boring AS Steinsenteret Åsane Sand og Singel AS
