Osaka Gas Co., Ltd. (大阪ガス株式会社 or 大阪瓦斯株式会社, Ōsaka Gasu Kabushiki-gaisha), commonly written as 大阪ガス, is a Japanese gas company based in Osaka. It supplies gas to the Kansai region, especially the Keihanshin area. Osaka Gas is also engaged in upstream, midstream and downstream energy projects throughout the world, including LNG terminals, pipelines and independent power projects, particularly in Southeast Asia, Australia and North America.