S.N.T.G.N. Transgaz SA is the technical operator of Romania's National Gas Transmission System, managing domestic and international natural gas transmission with a focus on safety, efficiency, and environmental standards. Established in 2000 following the restructuring of the former National Gas Company ROMGAZ SA, the company holds the exclusive concession for the gas transmission network, handling over 90% of gas consumed in Romania through a 13,000 km pipeline network with a capacity of 30 billion cubic meters annually. Its core activities encompass gas dispatching, research and design in gas transmission, commercial balancing, quality monitoring, odorization, and international transit connections to countries like Hungary, Ukraine, Bulgaria, and Moldova via key pipelines such as Arad–Szeged and Iași–Chișinău. Operating in the utilities sector, specifically regulated gas transmission, S.N.T.G.N. Transgaz SA plays a pivotal role in Romania's energy security and Europe's energy infrastructure, including strategic projects like BRUA that enhance regional connectivity. Headquartered in Mediaș, Romania, it employs around 4,000-4,600 personnel and maintains membership in the European Network of Transmission System Operators for Gas, underscoring its status as a key player in the regional energy market.