Matsubara Gumi

Name

Matsubara Gumi

Legal name

株式会社 松原組

Website

https://matsubara-gumi.co.jp

Company type

Private

Founded year

1952

Operating status

Operating

Headcount range

101–250 employees

Ownership category

akta.pro rank

Product category

Civil Construction Services

NAICS

Water and Sewer Line and Related Structures Construction (237110), Utility System Construction (2371)

SIC

Water, Sewer, Pipeline, Comm & Power Line Construction (1623), Sanitary Services (4950)

akta.pro primary industry

Sand & Gravel Extraction & Processing (IMAKAHAB)

akta.pro secondary industries

Storage & Conveyance Structures (Reservoirs, Tanks, Culverts, Tunnels) (IMAFAGAE), Industrial Cleaning & Decontamination (Hydroblasting/Vacuum/Confined Space) (IMAIACAJ)

Keywords

• Civil construction services
• Steel slag recycling
• Public works construction
• Bridge seismic retrofitting
• Industrial plant operations

Headquarters

HQ city

Hiroshima

HQ country

Japan

HQ region

Asia

Offices5 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Infrastructure, Operations, Supply Chain, Marketing or Sales, Technology or R&D

Revenue model

1. 総合建設事業 (General Construction): Revenue from civil engineering and building construction projects, including public infrastructure works (roads, tunnels, bridges, rivers, ports, airports, water and sewage, dams, urban civil works) and private construction (public facilities, medical, educational, commercial buildings). The company acts as both prime contractor for public works and subcontractor for major general contractors.
2. スラグ関連事業 (Slag-Related Business): Sales of steel slag products (water-granulated slag, air-cooled slag, steelmaking slag) processed from byproducts of steel production for use as civil engineering materials, road base materials, cement raw materials, and concrete aggregate.
3. 製鉄関連事業 (Steelmaking Support Operations): In-plant operations at JFE Steel West Japan Steel Works Fukuyama, including slag utilization, raw material screening, dust/sludge transport, metal recovery plant operations, aging operations, steam aging, water-granulated sand manufacturing, granulation factory operations, slag testing, rod mill operations, and drainage/cleaning services.
4. 不法開発事業 (Real Estate Development): Real estate development activities conducted as part of diversified business operations.

Pricing tiers

Go-to-market motion2 records

Distribution channels3 records

Marketing channels8 records

Core offering

Matsubara Gumi provides general construction services covering civil engineering, infrastructure, and building construction (roads, tunnels, bridges, rivers, ports, airports, water/sewage, dams, public, medical, educational, and commercial buildings). It also operates in-plant steelmaking support services at JFE Steel's Fukuyama works (slag processing, raw material screening, sludge transport, cleaning) and runs a slag recycling business producing construction-grade materials (water-quenched sand, road base materials HMS-25/MS-25, steelmaking slag) used as road base, concrete aggregate, and cement raw materials.

Product overview

Matsubara Gumi operates three core business segments: (1) General Construction Business providing comprehensive civil engineering and building construction services for infrastructure projects including roads, tunnels, bridges, ports, and public facilities; (2) Steel Manufacturing-Related Business operating within JFE Steel Fukuyama plant, handling slag processing, raw material screening, and transportation/cleaning services; and (3) Slag-Related Business recycling steel slag into construction materials such as water-quenched sand (Sandies brand), slow-cooled slag (HMS-25, MS-25), and steelmaking slag for road and civil engineering applications. The company also offers specialized construction technologies including the AT-P seismic reinforcement method and grass paving landscaping services.

Differentiator

Problem solved

Functional benefit

Products and services

• General Construction Business (総合建設事業) Comprehensive civil engineering and building construction services for government and private-sector clients, covering public infrastructure (roads, tunnels, bridges, rivers, ports, airports, water/sewage, dams, urban civil works), public facilities, medical, educational, and commercial building projects. Acts as prime contractor for public works and subcontractor for major Japanese general contractors.
• Steelmaking-Related Business (製鉄関連事業) In-plant steelmaking support operations at JFE Steel West Japan Steel Works Fukuyama: metal recovery plant, aging operations, steam aging (CS-40 road base material production), water-quenched sand manufacturing, raw material screening, granulation factory operations (zinc removal and dehydration), slag testing, rod mill operations, sludge transportation via large suction vehicles, and facility cleaning services.
• Slag Recycling Business (スラグ関連事業) Recycling of steel slag into construction-grade materials: water-quenched sand (Sandies, JIS-compliant fine aggregate for concrete, sold since 1998), HMS-25 and MS-25 slow-cooled slag products for road base material, and steelmaking slag products for civil engineering, concrete aggregate, and cement raw material applications.
• AT-P Seismic Reinforcement Method (AT-P工法) Proprietary PCM wrapping-based reinforced concrete bridge pier seismic retrofitting method involving groove-cutting on existing concrete surfaces and embedding reinforcement bars, allowing significantly reduced required overlay thickness compared to conventional steel plate wrapping or reinforced concrete wrapping methods; applicable where structural constraints limit conventional approaches.
• Grass Paving / Green Pavement Service (芝舗装) Turf surfacing service for parking lots and paved areas providing heat island mitigation, dust and mud control, temperature moderation, glare reduction, landscape improvement, air purification through photosynthesis, and soil erosion prevention.

Quantifiable outcome

• Sales revenue of 83 billion yen (December 2025)

Named customers10 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Eight partnerships are on record, tiered core, minor and moderate.

• JFEスチール株式会社 (JFE Steel Corporation)coreStrategic or Co-development PartnerMatsubara Gumi operates as a partner company for JFE Steel Corporation at the West Japan Steel Works Fukuyama, providing slag utilization, raw material processing, in-plant logistics, and steelmaking support operations. This is a multi-decade relationship dating back to 1965 when the company was first designated as a nominated prime contractor for Nippon Kokan (now JFE Steel).
• JFEミネラル株式会社 (JFE Mineral Co., Ltd.)coreStrategic or Co-development PartnerMatsubara Gumi handles sales and construction work for various slag products produced by JFE Mineral, including water-granulated slag and steelmaking slag used in civil engineering and road construction applications.
• 株式会社ファーストచreate (First Create Co., Ltd.)coreOthersMatsubara Gumi's group company managing shared services including recruitment, HR, and corporate communications. Handles Matsubara Gumi's recruitment advertising and career fair participation through its dedicated recruitment site. Also co-hosts the Evolvin Ladies Challenge Tournament and Rock Festival as part of community sports promotion.
• 株式会社スマイルచreate (Smile Create Co., Ltd.)minorOthersAffiliated group company of Matsubara Gumi, included in the corporate group structure. Nature of specific operations not detailed in available sources.
• 福山シティFC (Fukuyama City Football Club)coreGTM or Marketing PartnerMatsubara Gumi Group serves as Executive Partner for Fukuyama City FC, including naming rights for the 'Evolvin Football Field', construction of the team practice ground, and co-hosting the Evolvin Ladies Challenge Tournament and Rock Festival 2025 at JFE Setouchi Golf Club. The partnership aims to promote regional sports and community development.
• JFEエンジニアリング株式会社 (JFE Engineering Corporation)moderateStrategic or Co-development PartnerListed as a major client/procurement relationship in the company's major client directory for steelworks-related and environmental services.
• JFE西斯内海物流株式会社 (JFE Setouchi Logistics Corporation)minorOthersListed as a major client in the company's profile for logistics and transportation services related to steelworks operations.
• スラグ協会 (Japan Slag Association)minorOthersThe slag product chemical composition and heavy metal elution test data referenced on the slag business page are sourced from the Japan Slag Association's published data, indicating alignment with industry standards.

Scale indicators4 records

Recent moves8 records

Expansion highlights5 records

Broad incumbents

• Toda Corporation: Major Japanese construction company with civil engineering, building, and infrastructure capabilities, comparable at the industry level though much larger than Matsubara Gumi.
• Taisei Corporation: Top-tier Japanese general contractor with overlapping civil and building capabilities; useful for benchmarking public works and subcontracting dynamics.
• Kajima Corporation: Major Japanese super-zene general contractor that uses Matsubara Gumi as a subcontractor for power and foundation works; provides a broader market benchmark for Japanese construction peers.
• Nippon Steel Engineering: Engineering/construction arm of Nippon Steel with steel mill construction and slag handling capabilities; analogous competitor in the steel plant support and slag processing services market.
• JFE Engineering: JFE Group engineering and construction arm focused on steel-related and environmental plant construction; overlaps with Matsubara Gumi's steelworks and slag-related services from a broader portfolio standpoint.
• Shimizu Corporation: One of Japan's largest general contractors and a documented customer of Matsubara Gumi (subcontractor for bridge piers, blast furnace modifications, etc.); comparable in construction services but at much greater scale.

Direct peers

• Zenitaka Corporation: Regional Japanese construction company with combined civil, building, and industrial services — closely aligned with Matsubara Gumi's multi-segment structure and regional Japanese GC profile.
• Penta-Ocean Construction: Major Japanese civil engineering and marine construction contractor with overlapping work in ports, harbors, dredging, and reclamation — directly comparable to Matsubara Gumi's civil works and subcontracted engagements.
• Toyo Construction: Mid-sized Japanese general contractor focused on civil engineering and marine/infrastructure works, comparable in scale and service mix to Matsubara Gumi's general construction business.
• JFE Mineral: JFE Group company producing and selling slag products and recycled aggregates; Matsubara Gumi handles sales/construction for JFE Mineral slag and shares direct overlap in slag aggregate commercialization.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• Instagraminstagram.com/matsubaragumi

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Profiles5 records

Subsidiaries2 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Matsubara Gumi