This is a list of Japanese natural gas companies.

Major suppliers: Tokyo Gas () Osaka Gas () Toho Gas () Saibu Gas ()

Semi-major suppliers: Shizuoka Gas () Hokkaido Gas () Hiroshima Gas () Hokuriku Gas () Keiyo Gas () Chubu Gas () Otaki Gas Shin-nihon Gas () Higashi-nihon Gas ()

See also List of public utilities