What is the largest oil company in Romania?

Written by Editorial Team | Last Updated: August 2026

OMV Petrom S.A., controlled primarily by the Austrian energy group OMV in partnership with the Romanian state, is the largest integrated oil and gas producer and refining enterprise in southeastern Europe. Operating extensive upstream crude extraction fields and downstream processing facilities—most notably the Petrobrazi refinery—alongside a large retail fuel station network, the company serves as a vital pillar of regional energy security and economic stability.

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S.N. Romgaz S.A. is the largest natural gas producer and main supplier in Romania, operating as a strategic state-controlled energy corporation.