TYPSA, PINI GROUP SA, Multiconsult Norge AS, Asplan Viak AS, Niras Norge AS, Dagfin Skaar AS, Sweco Norge AS, Unstad AS, Cowi AS, Norconsult Norge AS, ILF, Rambøll Norge AS 2, ViaNova AS, Baneservice AS, AFRY NORWAY AS, PowerOn AS 2, Rejlers Engineering as, Pir 2 Oslo AS