As of 2026, Japan’s infrastructure sector is entering a period of transformation through the use of DX and ICT. This article clearly introduces 51 leading companies in roads, railways, power, telecommunications, water and gas, together with their respective characteristics and the latest examples of ICT adoption.
As of 2026, the use of DX (digital transformation) and ICT is accelerating across Japan’s infrastructure sector, and initiatives that influence competitiveness are attracting attention. This article highlights 51 leading companies in fields including roads, railways, power, telecommunications, water and gas, and organizes information on each company’s business overview, examples of ICT adoption and the status of its DX initiatives.
The article clearly summarizes the scale and characteristics of the major companies in each industry, examples of DX and ICT adoption, and company information useful for job seekers and those changing jobs, using a ranking format. It also provides useful material for understanding trends in the construction and infrastructure sectors, including ESG initiatives and efforts related to renewable energy.
Designed for people involved in the infrastructure sector and readers seeking the latest developments in the construction industry, the article provides an overview of the characteristics and initiatives of the major companies. The main text highlights information on the areas and technologies each company is focusing on, as well as its future business outlook, so that readers can quickly grasp the key points.