Based in Tokyo. With overview, profile, business activities, financial data, news reports, and environmental publications.

Gives company profile, investor relations, data on subsidiaries and contacts, and timeline of natural gas use in Japan.

With company outline, history, policies, accounts statement, procurement of petroleum, refining, distribution and sales, alternative energy, R&D, petrochemicals, societal and cultural activities, and museum. Based in Tokyo.

Gas and energy development and supply company. With corporate data, history, and financial data.

Comprised of city gas utilities to promote the use of natural gas as a power source, seek beter tax provisions and subsidies, promote safety and technology development, and conduct PR activities.

Development, production and distribution of natural gas on a commercial basis.

Maker of fuel oils, gasolines and solvents, lubricants, metalworking fluids, greases, and asphalt.

Covers company and shareholder information, guide for investors, safety, R&D activities, environmental actions, annual report, and recipes.

Produces, supplies, and sells of natural gas in Kyushu. Includes corporate profile, history, and security as well as financial data.

Business activities of the Shell Group consist of oil exploration and production, oil products, gas and power, chemicals, IT, and renewable energy.

Oil and natural gas production, development, and supply.

Supplier for natural gas for residential and business consumption. With environmental and procurement information, news, and investor guide.

Manufactures, supplies and sells gas, appliances, installation pipelines and other gas related services. With company information and affiliated companies.