Okumura Corporation

Basic Information

Stock Code
1833
Industry
Construction
Category Detail
Construction & Civil Engineering
Prefecture
Osaka Prefecture
Establishment Year
March 1938
Listing Year
September 1962
Official Website
https://www.okumuragumi.co.jp/
TSE Information
TSE Information
Yahoo! Finance
Yahoo! Finance
Other Companies
Hazama Ando Corporation, Taisei Corporation, Obayashi, Shimizu, Haseko Corporation, Kajima, Nishimatsu Construction, Asunuma Gumi, Toda Corporation, Kumagai Gumi, Infroneer Holdings

Overview

Okumura Corporation is a major Kansai-based construction company established in 1938, with strengths in seismic isolation technology and shield tunneling methods, achieving diversified business development and contributions to local communities.

Current Situation

Okumura Corporation recorded consolidated sales of approximately 288.1 billion yen and operating profit of 13.7 billion yen for the fiscal year ending March 2024, establishing a stable management foundation. It boasts high technological capabilities in construction and civil engineering fields, particularly holding top-class domestic track records in seismic isolation technology and slurry shield tunneling methods. In recent years, it has actively expanded into new businesses such as biomass power generation and land-based aquaculture to promote diversification and strengthen its revenue base. In addition, it opened an Innovation Center in JP Tower in 2023 to advance technology development through industry-government-academia-community collaboration. It has significantly increased advertising and promotion expenses to boost brand recognition and is focusing on promoting women's active participation. Starting in 2024, it is jointly developing a civil engineering platform with Toda Corporation and Nishimatsu Construction, strengthening industry collaborations. Aiming to realize a sustainable society, it actively engages in regional contribution activities and environmentally responsive businesses.

Trivia

Interesting Facts

  • Pioneer company that constructed Japan's first practical seismic isolation building.
  • Developed Japan's first slurry shield tunneling method 'OCMS method'.
  • Contributed to the community by reconstructing the Tsutenkaku Tower after the war.
  • Anecdote of restoring JR Rokkomichi Station in 74 days after the Great Hanshin-Awaji Earthquake.
  • Novel TV commercial featuring an actress in work clothes at a construction site.
  • Entered diverse new businesses including agriculture and aquaculture.
  • Owns multiple biomass power plants in Hokkaido and Fukushima.
  • Established 'Cross Innovation Center' technology exchange hub in JP Tower.
  • Advancing joint research in civil engineering with Toda Corporation and Nishimatsu Construction.
  • Member of Osaka's 'Dairin-kai' economic group, fostering regional collaboration.
  • Active in promoting women's roles and diversity.
  • Seismic isolation technology applied to special structures like lighthouses.
  • Group includes Okumura Machinery, manufacturer of shield excavation machines.
  • Since 2018, significantly increased advertising expenses and implemented brand strategy.
  • Multiple construction episodes that served as models for documentary dramas.

Hidden Connections

  • Actively sponsors regional cultural events and marathons to strengthen community ties.
  • Jointly building civil engineering works platform with major general contractors.
  • Group companies handle machinery manufacturing, enabling integrated operations from construction to machine development.
  • Land-based aquaculture business incorporates smart technology through IT companies and industry-academia collaboration.
  • Uses sports athletes in advertisements to penetrate sports fan demographics.
  • Biomass power plants in Hokkaido and Fukushima are linked to regional energy policies.
  • Long-term support for Osaka International Women's Marathon, contributing to regional sports promotion.
  • The 1956 Tsutenkaku reconstruction project is remembered as a symbol of regional revival.

Future Outlook

Growth Drivers

  • Increasing demand for seismic isolation technology and advanced civil engineering methods
  • Expansion of environmentally responsive renewable energy business
  • Advancement of smart construction technology using IT and IoT
  • Growth of regionally focused diversified businesses
  • Deepening of joint research and industry collaboration projects
  • Enhanced competitiveness through women's advancement and diverse organization
  • Sustained demand for large infrastructure development
  • Increased corporate value through improved brand image
  • Expansion of advanced technology applications in agriculture and fisheries
  • Strengthened trust through collaboration with local communities
  • Enhanced response to international environmental standards
  • Improved recognition through advertising and PR investments

Strategic Goals

  • Maintain top-level technology in civil engineering and building construction
  • Expand sales in renewable energy business
  • Advance construction management using digital technology
  • Promote introduction of sustainable technologies to reduce environmental impact
  • Achieve over 50% women's active participation rate
  • Maximize contributions to local communities
  • Achieve over 20% sales ratio from new businesses
  • Establish domestic top-class brand recognition
  • Further strengthen safety management
  • Expand joint research and development platforms

Business Segments

Civil Engineering Works

Overview
Strong in public civil engineering works, utilizing advanced methods and machinery.
Competitiveness
Domestic top-level slurry shield tunneling technology
Customers
  • Government Agencies
  • Local Governments
  • Railway Companies
  • Expressway Management Companies
  • Construction Consultants
Products
  • Slurry Shield Tunneling Construction
  • Tunnel Excavation Machine Manufacturing
  • Jack-Up Method
  • Structure Seismic Retrofit Works

Building Construction Works

Overview
Provides high seismic-resistant building construction leveraging seismic isolation technology.
Competitiveness
Proven track record as a pioneer in seismic isolation technology
Customers
  • Private Companies
  • Department Stores
  • Commercial Facility Operators
  • Public Facility Managers
  • Cultural Facilities
Products
  • Large Commercial Facility Construction
  • Seismic Isolation Building Construction
  • Public Facility Construction
  • Medical Facility Construction

Real Estate Development and Management

Overview
Handles land utilization, real estate development, and management comprehensively.
Competitiveness
Expertise in real estate business integrated with construction
Customers
  • Real Estate Investors
  • Corporate Owners
  • Home Buyers
  • Leasing Management Companies
Products
  • Rental Property Management
  • Real Estate Development Planning
  • Building Maintenance Services

Environment and Energy Business

Overview
Promotes renewable energy businesses and focuses on environmental contributions.
Competitiveness
Locally rooted biomass power generation business
Customers
  • Local Governments
  • Energy Companies
  • Environmental Conservation Groups
Products
  • Biomass Power Plant Construction
  • Environmental Purification System Provision
  • Sustainable Energy Solutions

Agriculture and Fisheries Related Business

Overview
Diversifying through new agriculture and fisheries businesses.
Competitiveness
Integration of closed-circuit aquaculture and IoT technology
Customers
  • Food Manufacturers
  • Retailers
  • Fishery Operators
Products
  • Summer-Autumn Strawberry Cultivation and Shipping
  • Land-Based Tiger Puffer and Shrimp Aquaculture
  • Smart Aquaculture Technology

Competitive Advantage

Strengths

  • Advanced technological capabilities in slurry shield tunneling methods
  • Proven track record as a pioneer in seismic isolation technology
  • Stable revenue base through diversified business expansion
  • Strong regional foundation and brand power in Kansai
  • Proactive public relations activities and brand strategy
  • Long-term trusted relationships with government agencies and major corporations
  • Group companies with advanced machinery manufacturing expertise
  • Advanced initiatives in environmental and energy fields
  • Promotion of innovation in new fields
  • Corporate culture emphasizing women's advancement and diversity

Competitive Advantages

  • Domestic top-class construction record in slurry shield tunneling
  • Accumulated technological development from constructing Japan's first seismic isolation building
  • Promotion of joint development of diverse construction platforms
  • High trust and contribution through collaboration with local communities
  • Introduction of next-generation aquaculture technology using IT and IoT
  • Improved brand image through increased advertising expenses
  • Establishment of innovation hub through industry-government-academia-community collaboration
  • Track record in large public facilities and urban infrastructure projects
  • Flexible response to diverse construction projects
  • Investment capacity backed by stable financial base

Threats

  • Rising labor costs in the construction industry
  • Instability in orders due to fluctuations in public project budgets
  • Intense price competition with competitors
  • Constraints on construction methods due to stricter environmental regulations
  • Risk of failing to keep pace with rapid technological innovations
  • Uncertainty in market expansion of new businesses
  • Difficulty maintaining construction workforce due to labor shortages
  • Risk of construction delays from natural disasters
  • Impact on material procurement from overseas situations
  • Rising material prices and procurement risks
  • Decline in competitiveness due to delays in digitalization
  • Increased risks from complex legal compliance

Innovations

2023: Opened Cross Innovation Center in JP Tower

Overview
Established a new hub for technology development and exchange through industry-government-academia-community collaboration.
Impact
Promotes creation of new technologies and technological advancement

2024: Started joint development of civil engineering works platform

Overview
Collaborating with Toda Corporation and Nishimatsu Construction to build a construction data integration platform.
Impact
Achieves improved construction efficiency and quality

2022: Started operation of No. 2 biomass power plant

Overview
Expanded woody biomass power plant operations in Hirata Village, Fukushima.
Impact
Enhanced renewable energy supply capacity

2023: Began test sales of land-based aquaculture

Overview
Launched tiger puffer products from closed-circuit aquaculture under a new brand.
Impact
Contributes to new market development and revenue diversification

2020: Started verification tests for smart aquaculture technology

Overview
Developed and implemented optimization technology for land-based aquaculture using IoT.
Impact
Improves production efficiency and quality control

2021: Expanded multi-purpose applications of seismic isolation technology

Overview
Expanded application of seismic isolation technology to museum display cases and lighthouse lenses.
Impact
Diversifies products and enhances technology recognition

2023: Significantly increased advertising expenses to strengthen brand

Overview
Boosted recognition through enhanced TV commercials and event sponsorships.
Impact
Contributes to recruitment promotion and customer base expansion

2023: Maintained domestic top position in shield tunneling construction length

Overview
Continued large-scale tunnel projects using advanced construction technology.
Impact
Contributes to maintaining and expanding market share

2024: Promoting next-generation building digitalization

Overview
Implementing efficiency improvements in building construction management using ICT.
Impact
Achieves shortened construction periods and cost reductions

2021: Launched diversity promotion and women's active participation support program

Overview
Promoting internal initiatives such as career support centered on female employees.
Impact
Enhances organizational vitality and strengthens talent acquisition

Sustainability

  • CO2 reduction through biomass power generation business
  • Reduced environmental impact via land-based tiger puffer aquaculture
  • Promotion of energy-saving construction technologies
  • Corporate activities for coexistence with local communities
  • Environmental technology development through industry-government-academia collaboration
  • Promotion of construction waste recycling
  • Ensuring diversity through women's advancement
  • Resource conservation through smart aquaculture technology
  • Thorough safety-first construction management
  • Cultural and educational support through regional events
  • Improved construction efficiency using IoT
  • Active adoption of environmentally considerate materials