Medlemmer Husbyggerens Innkjøpskontor A/S Franzefoss Pukk AS Kleppseter Anlegg AS Torleiv Straume AS Fredheim Entreprenør AS Grunnarbeid Vest AS Berg Fjellsprenging AS Entreprenør Tonny Tufte AS Arne Aarbergsbotten AS Buskerud Gjenvinning AS
