Medlemmer Øynebråten Anleggsteknikk AS Bgg Entreprenør AS Grenland Vaktmesterkompani AS Strand og Enger Anlegg AS J. Reiten AS B & F Maskin AS Damåsen Pukkverk AS Jar Anlegg AS Hallingdal Entreprenør AS B. O. Berntsen Anlegg AS
