Romgaz is the largest producer and main supplier of natural gas in Romania, holding a market share of approximately 40%. Founded in 1909 and headquartered in Mediaș, the company is majority-owned by the Romanian state (70%) and is listed on the Bucharest Stock Exchange. Romgaz is involved in geological exploration, gas production, underground storage, supply, and electricity generation. Through strategic projects such as Neptun Deep and the development of the Iernut power plant, Romgaz actively contributes to Romania’s energy security and the transition to cleaner energy.