Saibu Gas Co., Ltd. is a Japanese natural gas utility that produces, supplies, and sells natural gas and petroleum products. The company segments its operations into gas, liquefied petroleum gas, real estate, and "other" business units. The company primarily distributes and sells natural gas and LPG in the Fukuoka and Kitakyushu areas in the northern part of the Japanese island of Kyushu. Saibu sells gas and liquefied natural gas products to a variety of utility and industrial customers through long-term agreements. The company also is involved in the heating, gas equipment, and photovoltaic power generation business through its other activities.