NJS

Basic Information

Stock Code
2325
Industry
Services
Category Detail
Real Estate & Housing
Prefecture
Tokyo
Establishment Year
September 1951
Listing Year
September 2002
Official Website
https://www.njs.co.jp/
TSE Information
TSE Information
Yahoo! Finance
Yahoo! Finance
Other Companies
Kozoken Holdings, E·J Holdings, Oriental Consultants Holdings, Nissuikon, Kukurebu Advisors, Nippon Hume, Blue Innov, Solvvy, DN Holdings, Kensetsu Gijutsu Kenkyusho, Oyo Corporation, IDEA

Overview

NJS is a construction consultant specializing in water supply and sewage systems, established in 1951. It is a leading domestic company characterized by technology development and drone inspections.

Current Situation

NJS recorded consolidated net sales of approximately 22.6 billion yen and operating profit of approximately 3 billion yen for the fiscal year ending December 2024, maintaining solid management. Its main business consists of consulting services related to water supply, sewage, and industrial water systems, with a stable revenue base centered on public works. It received the Ministry of Land, Infrastructure, Transport and Tourism's Infrastructure Maintenance Grand Prize for its development of drone technology for inspections and surveys, and is expanding new businesses through a business alliance with Kansai Electric Power. The group includes multiple subsidiaries and pursues diversified expansion of technology and services. It emphasizes sustainability and CSR activities, including regional contributions such as establishing a farm in Kashiwa City, Chiba Prefecture. Moving forward, it aims for sustainable growth by leveraging IT technologies and overseas expansion. It is also strengthening compliance measures following responses to past misconduct incidents.

Trivia

Interesting Facts

  • First domestic company to commercialize drone technology capable of flying in closed spaces
  • Long-established construction consulting firm founded in Ginza in 1951
  • Awarded the MLIT Infrastructure Maintenance Grand Prize
  • Collaborating with Kansai Electric Power to deploy drone inspections at hydroelectric facilities
  • Operating a farm in Kashiwa City, Chiba Prefecture to promote CSR activities
  • Former name: Japan Waterworks and Sewerage Design Co., Ltd.
  • Strengthened organization in 2020 through absorption and merger of group subsidiaries
  • Group employee count of approximately 867
  • Experienced employee arrests in bid-rigging scandal, followed by system strengthening
  • Wide business deployment through network of 15 bases nationwide
  • Publishes videos of water & sewage inspection drones on official YouTube
  • Supports water management for water & sewage and regional agriculture with technology
  • Strength in foundation technologies such as geological surveys and surveying
  • Broad related business expansion through multifaceted subsidiaries
  • Established employee stock ownership plan to strengthen employee solidarity

Hidden Connections

  • Nippon Hume is a major shareholder, with capital ties and business alliances in water & sewage
  • Business alliance with Kansai Electric Power advancing deployment in hydroelectric equipment inspections
  • Competes with Nissuikon and Oyo Corporation in domestic water & sewage consulting but also shares information
  • Strengthening localized services through numerous subsidiaries and regional bases
  • Actively reviewed compliance systems following 2016 misconduct incident
  • Advancing overseas expansion through NJS USA Inc. and Indian affiliates
  • Ensures operational stability through shareholdings by trust banks such as Japan Custody Bank
  • Actively conducts technology introductions and PR via YouTube channel

Future Outlook

Growth Drivers

  • Increasing inspection demand due to aging public infrastructure
  • Advancements and expanded utilization of drone and AI technologies
  • Needs for water facility updates by local governments
  • Strengthened public investments focused on environment and sustainability
  • Promotion of efficient infrastructure maintenance management
  • Market development in overseas infrastructure support
  • Business automation and labor-saving through ICT introduction
  • Enhanced disaster prevention and mitigation measures in public and private sectors
  • Demand for diversified water resource management services
  • Importance of human resource development and technology succession
  • Further strengthening of group management structure
  • Advanced compliance systems

Strategic Goals

  • Expand market share in drone inspection technology domestically and internationally
  • Provide sustainable water & sewage management solutions
  • Strengthen comprehensive technological capabilities through group collaboration
  • Promote business expansion contributing to reduced environmental impact
  • Improve reliability and competitiveness in public investments
  • Service innovation through advanced utilization of AI and ICT technologies
  • Expand coexistence with regional communities and CSR activities
  • Enhance human resource development programs
  • Aggressively advance overseas business and market expansion
  • Establish complete compliance framework

Business Segments

Public Works Consulting

Overview
Provides design, survey, and management services for water and sewage primarily for public works.
Competitiveness
Extensive track record and trust in the public sector
Customers
  • Municipal water & sewage departments
  • Ministry of Land, Infrastructure, Transport and Tourism
  • Public works-related companies
  • Infrastructure management companies
  • Construction-related companies
Products
  • Water & sewage design services
  • Public facility water management support
  • Seismic resistance & aging surveys
  • Water quality testing & management
  • Water infrastructure improvement proposals

Inspection & Survey Technology Development

Overview
Develops and provides drone and other technologies to improve efficiency of water and sewage inspections.
Competitiveness
MLIT-certified technology and numerous patents
Customers
  • Railway operators
  • Water utilities
  • Power plant operators
  • Private facility management companies
Products
  • Inspection & survey drones
  • Inspection analysis software
  • Remote operation systems
  • Steel pipe internal inspection equipment

Group Company Support

Overview
Suite of services supporting stable management and enhanced technical capabilities within the group.
Competitiveness
Efficient management through consolidated operations
Customers
  • NJS Group affiliates
  • Subsidiary management divisions
Products
  • Management support services
  • IT infrastructure implementation
  • Technology & personnel management

Software Development

Overview
Develops and customizes dedicated software for the water and sewage industry.
Competitiveness
High-function system development based on field needs
Customers
  • Public facility managers
  • Construction consulting firms
  • Water facility operators
Products
  • Pipeline management systems
  • Inspection support software
  • Automated report generation tools

Overseas Infrastructure Support

Overview
Provides technical support and consulting for water and sewage infrastructure development overseas.
Competitiveness
Technology provision leveraging domestic track record
Customers
  • Overseas water & sewage entities
  • International development banks
  • ODA-related organizations
Products
  • Water infrastructure planning consulting
  • Technology transfer support
  • On-site inspection technology introduction

Technical Training & Education

Overview
Provides specialized training and seminar services for technician development.
Competitiveness
Curriculum directly linked to practical work
Customers
  • Municipal technicians
  • Private technicians
  • Local schools
  • Industry associations
Products
  • Water & sewage technical training
  • Drone piloting training
  • Safety management education

Infrastructure Maintenance Support

Overview
Supports planned maintenance of water, sewage, and related infrastructure.
Competitiveness
Efficient inspections utilizing drone technology
Customers
  • Water utilities
  • Power plant managers
  • Pipeline maintenance companies
Products
  • Periodic inspection programs
  • Predictive maintenance technology support
  • Maintenance planning

Environmental Conservation Consulting

Overview
Provides surveys and planning services specialized in water environment conservation.
Competitiveness
Integration of water & sewage expertise with environmental technology
Customers
  • Local governments
  • Corporate environmental divisions
  • Environmental survey organizations
Products
  • Environmental impact assessments
  • Drainage management systems
  • Ecosystem conservation plans

Equipment Maintenance & Repair Support

Overview
Services supporting long-term use and stable operation of water and sewage equipment.
Competitiveness
Utilization of technical know-how and field experience
Customers
  • Water treatment facility operators
  • Municipal water bureaus
  • Private companies
Products
  • Equipment monitoring systems
  • Deterioration diagnostic services
  • Repair planning

Surveying & Geological Investigations

Overview
Provides foundation ground surveys and surveying services to support safe construction planning.
Competitiveness
Abundant survey track record and adoption of latest technologies
Customers
  • Public works clients
  • Construction companies
  • Real estate developers
Products
  • Geological surveys
  • Land surveying
  • Ground analysis

Agricultural Water Management Consulting

Overview
Supports efficient water management and sustainability enhancement for regional agriculture.
Competitiveness
Localized know-how for optimal water utilization
Customers
  • Agricultural cooperatives
  • Local agriculture, forestry & fisheries departments
  • Regional farmer groups
Products
  • Drainage management plans
  • Water-saving technology introduction
  • Water resource allocation support

Technology Development Support Services

Overview
Provides research and development support for water and sewage-related technologies.
Competitiveness
Leveraging track record of MLIT-certified technologies
Customers
  • Technology development companies
  • Major construction consultants
Products
  • New technology implementation support
  • Patent acquisition support
  • R&D consulting

Competitive Advantage

Strengths

  • Abundant technical expertise and experience specialized in water supply and sewage
  • Advanced drone inspection technology and proven track record
  • Strong customer base in the public works sector
  • Diversified expansion through diverse related subsidiaries
  • Technology development capabilities and possession of MLIT-certified technologies
  • Active promotion of regional contributions and CSR activities
  • Stable financial base and revenue structure
  • High-level consulting capabilities with specialization
  • Efficient business operations through IT utilization
  • Reliability from long history
  • Extensive business site network
  • Pioneering advantage in drone inspection field
  • Promotion of environmental and safety measures across multiple areas
  • Ability to meet diverse customer needs
  • High-quality management system

Competitive Advantages

  • Established position in domestic water and sewage consulting
  • MLIT Infrastructure Maintenance Grand Prize-winning technology
  • Collaboration network with major companies like Kansai Electric Power
  • Uniqueness of drone technology for closed-space inspections
  • Comprehensive strength through collaboration with wide range of affiliates
  • Revenue stability supported by steady public works demand
  • Accumulated know-how and track record in water and sewage field
  • Differentiation and efficiency through advanced technology
  • Integrated provision of inspection analysis software
  • Forward-looking adoption of IT and AI technologies
  • Response capabilities to diverse public and private customers
  • Robust technician training and specialized education system
  • Order securing through strengthened ties with government
  • Public certification of inspection technology and market superiority
  • Ongoing growth investments in drone inspection field

Threats

  • Risks from fluctuations in public works budgets
  • Competitor technological innovations and market entry
  • Impacts from changes in laws, regulations, and environmental policies
  • Business suspension risks from natural disasters
  • Risks of drone technology proliferation and imitation
  • Challenges in technology succession due to talent shortages
  • Delays in overseas expansion and intensifying market competition
  • Delays in responding to diversifying customer needs
  • Risks in recovering investments in technology development
  • Impacts from social trust risks and misconduct incidents
  • Vulnerabilities in IT security measures
  • Profit pressure from rising costs

Innovations

2024: Advanced functionality for pipeline inspection drones

Overview
Enhanced stable flight and video analysis technology in closed spaces.
Impact
Achieves shortened inspection times and improved analysis accuracy.

2023: AI analysis software for automatic inspection data determination

Overview
Improves deterioration diagnosis accuracy through AI analysis of collected video.
Impact
Inspection efficiency improved by 30%, reducing workload.

2022: Business alliance with Kansai Electric Power for hydroelectric plant steel pipe inspections

Overview
Expansion into new inspection business using drone technology.
Impact
Revenue expansion in new fields and progress in technology applications.

2021: Initiation of drone piloting automation system development

Overview
Aims to improve piloting quality through remote operation automation.
Impact
Significant improvements in operational efficiency and safety.

2020: Absorption and merger of subsidiary to strengthen technical organization

Overview
Absorbed and integrated NJS Consultants to optimize organization.
Impact
Advances business efficiency and technical strengthening.

2020: Received special award from MLIT for drone technology for inspection surveys

Overview
Innovative pipeline inspection drone technology highly acclaimed.
Impact
Enhanced social trust and market position.

2023: Advanced water quality measurement sensor technology

Overview
Enables real-time multi-parameter water quality monitoring.
Impact
Increases value of environmental conservation services.

2024: Renewal of water & sewage management system using GIS

Overview
Incorporates geographic information systems to enhance business efficiency.
Impact
Achieves operational cost reductions and precise management.

Sustainability

  • Natural environment conservation activities through farm establishment
  • Promotion of reduced environmental impact in public works
  • Dissemination of energy-saving inspection technology using drones
  • Strengthening of social contribution activities and regional collaboration
  • Promotion of compliance and ethical management
  • In-house energy efficiency improvement programs
  • Waste reduction and recycling promotion activities
  • Thorough safety and health management
  • Promotion of labor-saving business operations through ICT
  • Efforts in human resource development and diversity respect
  • Continuous technological innovation to reduce environmental burden
  • Active introduction of green procurement