- SPP Infrastructure group (SPPI Group), headquartered in Bratislava, is an established integrated gas utility with operations mainly in the Slovak Republic and important participant in the European gas market. The Group follows on from over 155 years of gas industry tradition in Slovakia. It belongs to one of the largest gas infrastructure group in the Central European region. SPPI Group though its subsidiaries operates and owns the major east-west gas transit corridor for Europe, almost 33 thousand km of gas distribution networks in Slovakia delivering gas to more than 1.5 million offtake points, and several strategically located underground storage facilities on the crossroads of international gas flows. Additionaly, it also plays significant role in exploration and production of hydrocarbons, underground storage facilities development and geothermal energy in Slovakia.