Our History
We inherited our founding philosophy of 'Serving Society through Technology' and have been addressing the social challenges of each generation through our engineering expertise and technological prowess for over 70 years. In a history of transformation and growth, we continue to embody 'Enriching Society through Engineering Value' to realize a sustainable future for the Earth and prosperity for its inhabitants.
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1948~1970Founding
Contributing to Post-war Industrial Recovery and High Economic Growth in Japan
- Social Challenges
- A change in energy policy from coal to oil, marking the beginning of the oil era
- Rapid growth fueled by the development of heavy chemical industries
- Engineering Expertise
- Actively participating in the oil and petrochemical industries through engineering
- Constructing and renovating domestic refineries and petrochemical plants
1960
FocusOur First Grassroots Oil Refinery
We were awarded a contract for the construction of all three phases of the Mizushima Oil Refinery, our first grassroots oil refinery project, by Mitsubishi Oil Co., Ltd. The project involved the construction of a new large-scale refinery prior to trade liberalization, including petroleum refining equipment, utility facilities including power generation facilities and ancillary facilities, such as crude oil reception and product shipment amenities.
1971~1990Initial
Transformation
Expanding Oil and Petrochemical Businesses and Companywide Internationalization
- Social Challenges
- Increasing focus on securing a stable supply of oil and diversifying energy sources following two oil crises
- Yen appreciation triggered by Plaza accord
- Engineering Expertise
- Contributing to a stable supply of oil and petroleum products through the construction of overseas oil and petrochemical plants
- Promoting 'Energy and Environment in Harmony'
1984
FocusA Mega-large Grassroots Oil Refinery in Saudi Arabia
Contributing to a stable supply of petroleum products worldwide through the construction of a mega-large crude oil refinery in Saudi Arabia, with a processing capacity of 250,000 barrels per day, for a client joint venture between Petromin Corporation and Mobil Corporation (now ExxonMobil).
1991~20182nd
Transformation
Expanding the LNG Business
- Social Challenges
- Increasing global demand for LNG to address climate change and preserve the environment
- Engineering Expertise
- Contributing to a stable supply of LNG through the construction of a large-scale overseas LNG plants
- Expanding into new fields such as renewable energy
2004
FocusThe World's Largest LNG Plant in Qatar
Contributing to the economic development of gas producing countries, including Japan, and a stable supply of energy around the world, through an EPC contract for two of the largest LNG plants in the world (as of 2004), with an annual production capacity of 7.8 million tons per annum, for Qatar Gas II (70% owned by QatarEnergy and 30% by ExxonMobil). We continue participating in increasingly complex and larger EPC LNG projects around the globe.
2019~3rd Transformation towards Sustainable Growth
Creating and Expanding New Business Fields
Towards Carbon Neutrality
- Social Challenges
- Accelerating the transition towards decarbonization and carbon neutrality
- Innovating AI and digital technology
- Reinforcing life sciences technologies
- Engineering Expertise
- Accelerating initiatives in decarbonization and carbon neutral fields such as hydrogen.
- Expanding into fields other than energy, such as DX and life sciences.
2020
FocusThe World's First Global Hydrogen Supply Chain Demonstration Project
We have successfully completed the world's first global hydrogen supply chain demonstration project* in December 2020, for the large-scale storage and transportation of hydrogen. Social implementation plans are progressing, with the goal of achieving large-scale commercialization in the late 2020s.
- * Chiyoda Corporation, Mitsubishi Corporation, Mitsui & Co., Ltd., and Nippon Yusen Kabushiki Kaisha (NYK Line) formed the Advanced Hydrogen Energy Chain Association for Technology Development (AHEAD), research association for next-generation energy chain technology, subsidized by New Energy and Industrial Technology Development Organization (NEDO).
The World's First Global Hydrogen Supply Chain Demonstration Project
