List of Japan natural gas companies

This is a list of Japanese natural gas companies.

Major suppliers:
 * Tokyo Gas (tyo: 9531)
 * Osaka Gas (tyo: 9532)
 * Toho Gas (tyo: 9533)
 * Saibu Gas (tyo: 9536)

Semi-major suppliers:
 * Shizuoka Gas (tyo: 9543)
 * Hokkaido Gas (tyo: 9534)
 * Hiroshima Gas (tyo: 9535)
 * Hokuriku Gas (tyo: 9537)
 * Keiyo Gas (tyo: 9539)
 * Chubu Gas (nag: 9540)
 * Otaki Gas
 * Shin-nihon Gas (tyo: 9542)
 * Higashi-nihon Gas (tyo: 9544)