Polskie Gornictwo Naftowe I Gazownictwo SA Polish Oil & Gas Co (PGNiG) is an integrated natural gas company based in Poland. Co.'s core activity covers exploration and production of natural gas and crude oil as well as import, storage, trade and distribution of gas and liquid fuels. Co.'s scope of activity includes gas trading and commercial support, as well as operation, maintenance and expansion of its distribution system. Co.'s distribution networks comprises over 100 thousand kilometers of gas pipelines (high, upper-medium, medium and low pressure), which cover primarily industrialized and urbanized areas of the country.

Wienerberger is a building materials group. Co.'s segments include: Clay Building Materials Eastern Europe, Clay Building Materials Western Europe, Pipes & Pavers Eastern Europe, Pipes & Pavers Western Europe, North America and Holding & Others. The Clay Building Materials Europe division covers activities in the areas of clay blocks, facing bricks and roof tiles. The Pipes & Pavers Europe division includes Co.'s business activities with plastic pipes, ceramic pipes and concrete pavers. The North America division covers activities in the areas of facing bricks, plastic pipes and concrete products. The Holding & Others division covers activities in the areas of clay blocks.