Ashizawa shoji Co.,Ltd

What Ashizawa shoji Co.,Ltd does

Ashizawa Shoji Co., Ltd. (芦沢商事株式会社) is a privately held Japanese construction-materials distributor founded in 1953 (with predecessor partnership dating to 1927) and headquartered in Yokohama. The company distributes cement, ready-mix concrete, aggregates, and related construction materials to major Japanese general contractors, including Kajima, Obayashi, Shimizu, Taisei, Takenaka, Toda Corporation, and Daiwa House. It is an authorized specialty dealer (特約店) for UBE Mitsubishi Cement and Mitsubishi Materials, two of Japan's largest cement producers, providing preferential supply access in the Kanto region.

The business operates an integrated vertical supply chain spanning cement procurement, ready-mix concrete production (via subsidiaries Musashi Ryoko Concrete and Tsurumi Ryoko), and aggregate and transport logistics (via Chofu Transport and Japan Muvex). Sales offices in Tokyo, Yokohama, and other Kanto locations serve metropolitan-area construction projects. The company markets itself as a technical solutions provider, employing certified architects, construction management engineers, and concrete diagnosis specialists to support contractor-side specification and quality assurance work, rather than competing purely on commodity price.

Ashizawa Shoji is family-owned and controlled by the Ashizawa family, with 65 employees and 250 million yen in capital. Reported annual revenue is approximately 409 billion yen (FY ending March 2028), reflecting an asset-light, high-velocity distribution model. Revenue concentration sits with a small number of Japan's largest general contractors, and the business model is materially a pass-through commodity distribution margin rather than a software or services revenue model. Strategic moves in recent years have been incremental: the 2025 Saitama Sales Office opening, the 2022 addition of UBE Mitsubishi as a specialty dealer, and the 2021 consolidation of overlapping Kanto sales offices.

Name

Ashizawa shoji Co.,Ltd

Legal name

芦沢商事株式会社

Website

https://ashizawa-shoji.co.jp

Company type

Private

Founded year

1953

Operating status

Operating

Headcount range

51–100 employees

Short description

Ashizawa Shoji Co., Ltd. is a Yokohama-based, family-owned construction-materials distributor (cement, ready-mix concrete, aggregates) serving major Japanese general contractors across the Kanto region via authorized specialty dealer relationships with UBE Mitsubishi Cement and Mitsubishi Materials.

Ownership category

akta.pro rank

Product category

Construction Materials Distribution

NAICS

Cement and Concrete Product Manufacturing (3273), Cement Manufacturing (327310), Ready-Mix Concrete Manufacturing (327320)

SIC

Concrete Products, Except Block & Brick (3272)

akta.pro primary industry

Cementitious Binders & Additives (Fly Ash, Slag, Silica Fume, Lime) (IMADAAAH)

akta.pro secondary industries

Cement & Fly Ash Silo Storage (TLALAIAB), Aggregates & Sand/Gravel Bulk Storage (TLALAIAC)

Keywords

• Cement distribution
• Ready-mix concrete
• Construction materials
• Aggregate supply
• Building materials trading

Headquarters

HQ city

Tokyo

HQ country

Japan

HQ region

Asia

Offices7 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Infrastructure

Revenue model

1. Cement and Construction Materials Sales: Sale of cement, ready-mixed concrete, aggregates, and related construction materials to large construction companies and public works projects. Revenue derived from product sales with delivery services included.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels1 record

Core offering

Ashizawa Shoji is a construction materials trading company that distributes cement, ready-mix concrete, aggregates, admixtures, flowable fill, and recycled concrete primarily to large Japanese general contractors and government/public works projects in the Greater Tokyo metropolitan area. As an authorized specialty dealer (特約店) of UBE Mitsubishi Cement and Mitsubishi Materials, the company operates through an integrated group structure spanning manufacturing, transportation, and on-site delivery of ready-mix concrete.

Product overview

Ashizawa shoji Co.,Ltd is a construction materials trading company established in 1953, serving as an authorized agent (特約店) of UBE三菱セメント株式会社. The company operates a multi-product portfolio centered on cement and ready-mixed concrete distribution, complemented by aggregate, admixtures, flowable fill, and recycled concrete materials. The business model integrates in-house manufacturing through affiliated companies (武蔵菱光コンクリート株式会社 and 鶴見菱光株式会社) with a network of partner factories across the Greater Tokyo region, enabling end-to-end delivery from production through to construction sites. Additional revenue streams include environmental recycling services, real estate operations, and insurance agency services. The company reported sales of 409 billion yen (fiscal year ending March 2028) and maintains a workforce of 65 employees.

Differentiator

Problem solved

Functional benefit

Products and services

• Cement (セメント)
• Ready-Mixed Concrete (生コンクリート)
• Aggregate (骨材)
• Solidifying Agents / Admixtures (固化材・混和剤)
• Flowable Fill (流動化処理土)
• Recycled Concrete (再生コンクリート)
• Environmental Recycling Services (環境リサイクル事業)
• Real Estate Services (不動産事業)
• Insurance Agency Services (損害保険代理業・生命保険の募集取扱)

Quantifiable outcome

• Established 1927, 90+ years of operation with sustained business relationships with major construction companies
• +1 more outcomes

Named customers15 records

Segments3 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

Six partnerships are on record, tiered core.

• UBE三菱セメント株式会社 (UBE Mitsubishi Cement Corporation)coreChannel Partner/ Reseller/ Distributor · 1 January 2024UBE三菱セメント株式会社特約店 (authorized specialty dealer). The company serves as the authorized dealer for UBE三菱セメント cement products in the Greater Tokyo metropolitan area, enabling preferential access to cement supplies and established distribution relationships.
• 三菱マテリアル株式会社 (Mitsubishi Materials Corporation)coreChannel Partner/ Reseller/ Distributor · 1 January 2022三菱マテリアル株式会社特約店 (authorized specialty dealer). Historical partnership since 1965 (昭和40年) as specialty dealer for 三菱セメント (now 三菱マテリアル), continuing current authorized dealer status.
• 武蔵菱光コンクリート株式会社 (Musashi Ryoukou Concrete Co., Ltd.)coreStrategic or Co-development PartnerRelated company operating ready-mixed concrete manufacturing plant in Chofu, Tokyo. Part of Ashizawa Group integrated operations for production and delivery of ready-mixed concrete.
• 鶴見菱光株式会社 (Tsurumi Ryoukou Co., Ltd.)coreStrategic or Co-development PartnerRelated company operating ready-mixed concrete manufacturing plant in Tsurumi, Yokohama. Part of Ashizawa Group integrated operations for production and delivery of ready-mixed concrete.
• 調布運輸株式会社 (Chofu Transport Co., Ltd.)coreOthersRelated company specializing in transportation of ready-mixed concrete and cement products. Co-located with武蔵菱光コンクリート manufacturing facility in Chofu, Tokyo.
• 株式会社日本ムーベックス (Japan Movex Co., Ltd.)coreOthersRelated company for transportation of ready-mixed concrete and cement products. Co-located with鶴見菱光 manufacturing facility in Tsurumi, Yokohama.

Scale indicators3 records

Recent moves14 records

Expansion highlights2 records

Broad incumbents

• Taiheiyo Cement Corporation: Japan's largest cement manufacturer with nationwide production and sales networks. Comparable to Ashizawa Shoji as the upstream supplier that competes with UBE Mitsubishi Cement and Mitsubishi Materials for the dealer channel in the Kanto region.
• Sumitomo Osaka Cement Co., Ltd. Major Japanese cement manufacturer with integrated ready-mix and aggregate operations. Comparable to Ashizawa Shoji as a competing cement supplier and aggregator that competes with the UBE Mitsubishi Cement and Mitsubishi Materials supply chain in the Tokyo metropolitan market.
• Tokuyama Corporation: Japanese cement and chemicals producer with nationwide distribution. Comparable to Ashizawa Shoji as a competing cement manufacturer whose dealer channels overlap with Ashizawa's Kanto-area distribution reach.
• Toda Corporation: Major Japanese general contractor with large infrastructure and building operations. Comparable to Ashizawa Shoji as a major customer of cement and ready-mix concrete and as a key participant in the same Tokyo construction value chain.

Direct peers

• Chichibu Concrete Industry Co., Ltd. Independent ready-mix concrete manufacturer serving the Greater Tokyo and Saitama construction market. Directly comparable to Ashizawa Shoji's Musashi Ryoko Concrete and Tsurumi Ryoko subsidiaries in product, customer base, and geographic overlap.
• Tokyo Ryoukou Concrete Co., Ltd. Ready-mix concrete producer with a Shinagawa factory that appears in Ashizawa Shoji's partner-factory network. Comparable as a same-product, same-region peer whose production capacity directly competes with Ashizawa's owned plants.
• Kanto Ube Concrete Industry Co., Ltd. Ready-mix concrete manufacturer with multiple plants in Tokyo, Kanagawa, Chiba, and Saitama, also functioning as a partner factory in Ashizawa's network. Directly comparable as a same-product, same-region ready-mix competitor with overlapping UBE Cement supply relationships.
• Okabe Co., Ltd. Long-established Japanese specialty dealer and manufacturer of construction materials, formwork, and civil engineering products. Comparable to Ashizawa Shoji as a similarly structured multi-generational specialty dealer with a Tokyo-headquartered distribution franchise to contractors.

Others

• ITOCHU Corporation: Major Japanese sogo shosha with a sizable construction materials and cement trading business. Comparable as a large-scale adjacent distributor that competes for similar contractor accounts and general construction materials procurement in Japan.
• Marubeni Corporation: Major Japanese trading house with construction materials, cement, and aggregates operations. Comparable to Ashizawa Shoji as an adjacent larger distributor that competes at the broader cement and construction materials wholesale level in Japan.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Profiles16 records

Subsidiaries4 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 Ashizawa shoji Co.,Ltd