TOYO was established in 1961 as a company dedicated to engineering work; For nearly 50 years, we have strived to improve our project management and engineering methods and skills. In parallel, we have contributed to the development of industries in Japan and other countries by constructing production plants and social facilities.
By Industry
In our early years, we focused mainly on chemical and petrochemical plant project. We have now expanded our business to facilities in diverse industries so that we are able to respond to the needs of clients and society; our operations now include oil refineries, gas treatment, and power generation plants, and projects in the automotive, electronic, pharmaceutical, food and other sectors.
By Needs and Solutions
As the business activities of our clients expand, their needs diversify. The project management, engineering methods and technological capabilities we have cultivated over many years have proven to be effective in many areas.
By Region
Our record of achievement in overseas projects started with a fertilizer plant in India in 1963. Since then, we have built and utilized our regional expertise over many years and sought effective use of local resources. With "global" as our keyword, we have built diverse types of plants in almost every part of the world.










