Societatea Națională de Gaze Naturale Romgaz SA Mediaș (SNGN Romgaz SA) or simply Romgaz is the largest natural gas producer in Romania and one of the largest in Eastern Europe. The company is responsible for producing around 40% of the total natural gas consumption in Romania. Its majority stockholder is the Government of Romania, which owns 85.01%, with the remaining 14.99% being owned by Fondul Proprietatea.
The company is specialised in geological research for the discovery of hydrocarbons, production, storage, commercialization and the supply of natural gas and natural gas condensate. Romgaz is structured into six branches: two production branches located in Târgu Mureş and Mediaş, one underground storage branch located in Ploieşti, a special operations branch located in Mediaş, a maintenance branch located in Târgu Mureş and one international office located in Bratislava, Slovakia.