EIKEN Co., Ltd.

Company Overview

Headquarters: Setagaya, Tokyo
Capital: 30 million Japanese yen
Number of Employees: 30 employees
Main business: Inorganic admixture (Flat Plug Regin*1, ECO5000) manufacturing, selling and construction management; Consulting and construction management works for renovation and construction of special floor in food factories, logistic facilities and frozen and refrigerated facilities; Construction management for Synthetic Acetic Acid-Based coating application works; Consulting on Concrete-Based Landscaping Methods, like stamped concrete, etc; Construction management and consulting for vacuum-dewatered concrete (Best Floor System*2); Waterproofing contracting and construction management; and Proposals for other concrete-related construction projects (Floor System Planning)
*1: NETIS Registration (New Technology Information System by Ministry of Land, Infrastructure, Transport and Tourism): KT-140072-A
*2: NETIS Registration (New Technology Information System by Ministry of Land, Infrastructure, Transport and Tourism): CB-210013-VE
Main Overseas Market: Bangladesh, Nepal、China、South Korea

• Since its founding, the company has built up proprietary technology for highly durable special floor coating finishes and uses its own products to propose solutions tailored to customer needs.
• Under the slogan "From Imagination to Creation," the company leverages existing technologies and field-proven expertise to contribute to solving global environmental issues and develop new products that support environmental conservation.

Highly Evaluated Points

• Promotes the transition to a sustainable brick industry by expanding the adoption of non-fired bricks.
• Uses sand and dredged soil as raw materials for non-fired bricks, contributing to farmland conservation and reduced impacts on ecosystems, while promoting resource circulation in collaboration with local companies.
• Reduces CO2 emissions compared with the production of fired bricks, contributing to environmental measures.
• Advances the shift to non-fired bricks in cooperation with the Government of Bangladesh and has concluded contracts with multiple brick factories.
• Is moving forward with plans to promote non-fired bricks to local factories through a dedicated showroom.

Recent Major Projects

Ozawa Civil Engineering and Construction Co. LTD. / Hashimotogumi Corporation

Company Overview — Ozawa Civil Engineering and Construction Co. LTD.

Headquarters: Hamamatsu City, Shizuoka Prefecture
Capital: 36,000,000JPY
Number of Employees: 69 employees
Main business: Construction of Retaining Walls and Foundation Piles
Main Overseas Market: Socialist Republic of Viet Nam

• A specialist contractor founded as a sole proprietorship in 1913 and incorporated in 1966, combining construction techniques passed down over generations with advanced machinery and equipment to meet changing times and customer needs.
• Under a business alliance with GIKEN LTD., the developer of the Press-in Method and manufacturer of the Silent Piler, the company promotes the method in Japan and overseas.

Company Overview — Hashimotogumi Corporation

Headquarters: Yaizu City, Shizuoka Prefecture
Capital: 50,000,000JPY
Number of Employees: 280 employees
Main business: Construction(Civil Engineering and Building Construction), Architectural Design, Real Estate, and Other
Main Overseas Market: Socialist Republic of Viet Nam

• A general construction company with 103 years of history, continuing to grow alongside the local community through proven technical expertise and a corporate culture that embraces challenges.
• Applying construction expertise developed locally throughout Japan and overseas, the company contributes to social infrastructure that supports people's daily lives.

Highly Evaluated Points

• Applied the Press-in Method to achieve high-precision construction on hard ground and in close-proximity works without affecting existing structures.
• Leveraged the strengths of both companies to provide an integrated offering covering foundation works, building construction, machinery sales and maintenance, and human resource development.
• Minimized temporary works, contributing to reductions in both construction costs and environmental impacts.
• Based on the results of a JICA verification project, advanced the development of technical standards and cost-estimation systems for the Press-in Method and proceeded with approval procedures toward formal standardization.
• The establishment of technical standards is expected to enable nationwide expansion in Viet Nam to projects involving reservoirs and river embankments.
• Further expansion across the ASEAN region is expected in infrastructure fields including landslide prevention, ports, coastal works, and urban civil engineering.

Recent Major Projects

Suiken Co., Ltd.

Company Overview

Headquarters: Gamo-gun, Shiga
Capital: 95.6 million yen
Number of Employees: 80 employees
Main business: Development, manufacture and sales of fittings for water and sewer pipeline, Construction of under pressure installation system, Development, manufacture and sales of seismic isolation joints for earthquake mitigation
Main Overseas Market: United States, Korea, Singapore, Hong Kong, Macau, Taiwan

• The company develops proprietary technologies and products, including under pressure installation systems that allow valves to be installed on water mains without interrupting service and seismic isolation joints that protect pipelines from earthquakes and ground subsidence, contributing to water infrastructure worldwide.
• The company advances research and development to overcome limitations of conventional technologies, making under pressure installation equipment more compact and improving constructability and safety. It promotes overseas deployment through patent-based licensing and the transfer of know-how.

Highly Evaluated Points

• Has obtained patents in Japan and overseas for its proprietary technology using end mills in under pressure installation works, and promotes deployment in each country through licensing and distributor agreements tailored to local standards and market conditions.
• Enables functional renewal using existing pipelines, reducing the input of resources and supporting sustainable infrastructure renewal.
• Avoiding water service interruptions prevents sudden changes in flow velocity inside pipelines and reduces the risk of red water and other water-quality issues, contributing to stable water quality.
• Implements thorough pre-construction checks and safety measures and dispatches engineers as necessary. Contractual risk is managed by clarifying product specifications and scopes of responsibility, setting advance-payment terms, and using letters of credit for new transactions.

Recent Major Projects

SPEC COMPANY LIMITED

Company Overview

Headquarters: Suginami Tokyo
Capital: 28,450,000 JPY
Number of Employees: 4 employees
Main business: Manufacturing, sales, marketing and technical supervision of soil hardening agent STEIN
Main Overseas Market: Cambodia, Sri Lanka, Kenya, Nigeria, Ghana

• Using STEIN, a soil hardening agent developed in Japan, the company solidifies locally available soil to build infrastructure such as roads and canals.
• The company builds business models using locally available materials and equipment while collaborating with sales, manufacturing, and construction partners in each country.

Highly Evaluated Points

• Has a track record in JICA private-sector partnership projects and locally procured public-sector projects, and develops businesses using proprietary technology in Africa and other regions where relatively few Japanese companies operate.
• Leverages extensive experience in Asia and Africa to increase awareness of its technology through technical presentations and lectures.
• Uses soil hardening agent technology developed in Japan to expand internationally, leveraging JICA projects as a foothold and securing orders from United Nations agencies.
• Also contributes to long-term development through initiatives such as vocational training in Ghana.

Recent Major Projects

Takino Filter Inc.

Company Overview

Headquarters: Kudamatsu, Yamaguchi Prefecture
Capital: 50,000,000 yen
Number of Employees: 48 employees
Main business: Production and supply of civil work materials (slope protection materials)
Main Overseas Market: Philippines, Indonesia, Taiwan, India

• A venture company established through industry-government-academia collaboration, manufacturing and selling erosion control vegetation mats for slopes featuring a proprietary nonwoven fabric structure.
• Building on its track record in Japan, the company led a JICA dissemination and verification project in the Philippines and is expanding natural environment restoration initiatives for infrastructure development and disaster prevention projects.

Highly Evaluated Points

• In response to the growing disaster risks associated with climate change, expanded Japanese-origin low-carbon green infrastructure technology across ASEAN, contributing to the establishment of high-quality infrastructure investment that balances environmental protection with the development of resilient social infrastructure.
• The technology has been certified under Japan’s Construction Technology Review and Certification system for its high erosion resistance against rainfall and its ability to establish vegetation. It has demonstrated a high vegetation coverage rate under harsh climatic conditions and obtained approval for use under product certification systems.
• Achieved substantial cost reductions and shorter construction periods compared with conventional mortar spraying, while also reducing repair costs after infrastructure enters service.
• Contributed to lower import costs and the promotion of local industries through a locally sourced, locally produced model using local materials.

Recent Major Projects