ENN Group is a prominent Chinese conglomerate founded in 1989 and based in Langfang, Hebei Province. It is one of the largest private energy companies in China, initially focused on urban natural gas provision and now encompassing the entire natural gas industry, including production, distribution, and engineering. The company has diversified into solar energy, energy chemicals, real estate, tourism, culture, and health sectors, aiming to enhance quality of life.

With operations across 22 provinces and serving nearly 31 million households and over 270,000 enterprises, ENN Group manages numerous city-gas and integrated energy projects. The company employs over 40,000 people and reported operating revenue of approximately $21.4 billion in 2024. ENN provides a range of services, including natural gas distribution, digital energy solutions, and health management platforms, while also engaging in international ventures for LNG supply and infrastructure.