Three core competencies and five priority areas

A comprehensive construction consultancy firm must lead local as well as global communities to sound developments through the integration of excellent technologies in wide-ranging fields.

EJEC identifies priority business fields utilizing its core competencies that had been fostered over many years. It will further strengthen and expand these fields while making the best use of its technological strengths to develop positive differences in such existing business fields as roads, transportation, rivers and ports, etc. and boosting its competitiveness to consolidate its advantageous position.

Three Core Competencies

Five Priority Business Fields


EJEC offers highly professional consulting services to ensure that the valuable environment is passed on to the next generations by creating a genuine resources-recycling society from a global viewpoint. Our services include the protection or creation of healthy everyday as well as global environments, efficient energy saving and recycling and the use of renewable energies.

  • Energy saving systems
  • Restoration of nature
  • Biomass
  • Renewable energies
Natural Disaster Risk Reduction

EJEC members are determined to strengthen disaster-resistance capability of local communities and to develop new measures capable of mitigating disaster damage to create “safe and secure national land” by applying highly advanced, value-added technologies as part of our long-standing and well respected consulting service for the improvement of public infrastructure. These technologies include such tangible technologies as simulation and geo-technologies relating to earthquakes, tsunami and floods, and intangible techniques used for risk analysis (hazard maps, etc.), disaster-proof town development and disaster prevention information systems.

  • Earthquake damage prevention; Seismic counter measures, Tsunami damage prevention,
  • Landslide protection, BCP, Disaster information system
Urban/Regional Regeneration

We find values that should be passed on to the next generations, and design a “town with a scent of history and culture,” a “town that is unique and attractive,” and a “town that is safe and comfortable.” We propose plans and designs that create a diversity society and prosperous communities, in which we can interact with each other, while taking considerations of a harmony among the natural environment, history, and landscape, and sustainable development. In addition, we will support town developments that connect people by coordinating with the government, local residents, and companies.

  • Traffic demand management
  • Development of riparian towns
  • Station area redevelopment (effective land use)
  • Revitalisation of local communities
Infrastructure Management

EJEC proposes wide-ranging techniques and methods to examine impending issues, including the appropriate management of public assets, responses to ever increasing maintenance costs and the effective use of assets and cost reduction measures and to provide advice on public sector projects involving the private sector to find viable solutions.

  • Longer service life, asset management
  • Support for owners, CM
  • Maintenance, operational management

EJEC contributes to the formation of an advanced information society through its wide-ranging business activities featuring (i) the integration of expertise on civil engineering, architecture, surveying, geological surveying, electrical engineering, telecommunications, chemistry, biology, etc., (ii) disaster forecasting and monitoring of actual disaster damage, and efficient remote control and maintenance of infrastructure facilities using such ICTs as GPS, Web GIS and facility management optical fiber networks, (iii) simulation of various phenomena by introducing real-time data on environmental conditions, traffic volume and natural phenomena and creating databases and (iv) communication-based support for the administration using virtual reality technologies and advice on the development of a network incorporating various databases.

  • Monitoring equipment and systems
  • Disaster prevention information systems
  • Instrumentation management
  • ICT

Group Companies


Business domain diagram of EJEC Group companies
In 2009, Eight Consultants Co., Ltd. and Japan Engineering Consultants, Co., Ltd., both of which had a successful business history of more than 50 years, merged to achieve the mission of a construction consultancy business and to develop new business fields. The merged Eight-Japan Engineering Consultants Inc. (EJEC) conducts construction consultancy businesses, which is the principal business of the Group, and is contributing to the business expansion of the entire group, making the most of the advantages of the holding company system. The E-J Group of which EJEC is the principal comany pursues four types of business, i.e. “construction consultancy business” as the core business, “project development business” to identify and develop new projects for the entire Group, “infrastructure management business” to support the management of social capitals of which the market is expected to grow in the coming years and “overseas consultancy business” to further develop rapidly growing overseas markets. EJEC’s business system is capable of providing a one stop service from upstream to downstream. As part of the recent launch of new business schemes, subsidiaries assigned to conduct specified businesses have been established.


E・J Holdings
Japan Infrastructure Management Co., Ltd.(JIMCO)
Kindai-Sekkei Consultant, Inc.
Hokkaido Kindai-Sekkei Consultant Inc.
E. Kyoritsu Co. Ltd.
Toshi Kaihatsu Skkei Corporation
Kyoritsu Kouei Co., Ltd.
The Yakumo Foundation for Environmental Science
Strawberry Farm
Enjoy Farm
Arc Consultant Co., Ltd.