The HBP Group comprises: HYDROBUDOWA POLAND S.A. as the parent undertaking and the subsidiary companies: P.R.G."METRO" Sp. z o.o. and HYDROBUDOWA 9 S.A.,
P.R.G. "METRO" Sp. z o.o. - specializes in construction of tunnels.
HYDROBUDOWA 9 S.A. - specializes in in civil engineering in the field of hydrology and water management.