What Sanshin does

Sanshin (三親電材株式会社) is a Japanese electrical materials distributor and construction services provider founded in 1950 in Osaka and now headquartered in Hiroshima. The company sells electrical machinery, lighting fixtures, wiring devices, fire alarm systems, power distribution panels, HVAC equipment, conduits, generators, and water heating/solar systems sourced from over 100 manufacturers including Panasonic, Toshiba, Sharp, Mitsubishi Electric, and Daikin. In parallel, Sanshin offers integrated construction services covering electrical work, plumbing (HVAC/water/drainage), telecommunications infrastructure, and fire protection system design, supervision, and execution under Japanese general construction licensing.

The company serves construction companies, manufacturing facilities, healthcare facilities, and office buildings primarily through a direct B2B sales model executed via 20+ branch offices covering all five prefectures of the Chugoku region plus Osaka. Sanshin was established as a three-parent joint venture — hence the name '三親' (Three Parents) — between Chugoku Denki Koji (now Chudenko, its current strategic parent), Togu Shokai, and Gokai Shokai, and operates as a subsidiary within the Chudenko/中国電力 ecosystem. Its largest named customer relationship is with Chudenko's Okayama branch, alongside other enterprise customers such as クリーンカルチャー and ディスコ.

Sanshin generated FY2024 revenue of ¥23.5 billion (approximately $157M USD) with 198 employees as of March 31, 2025. The company maintains a credentialed technical workforce (56 first-class electricians, 92 second-class electricians, 41 Class A fire equipment engineers, and 18 Level 1 electrical construction managers), and the business model combines one-time merchandise sales with project-based professional services revenue. Pricing is quote-based and not publicly disclosed, consistent with B2B distribution norms in Japan.

Name

Sanshin

Legal name

三親電材株式会社

Website

https://sanshin-eem.co.jp

Company type

Private

Founded year

1950

Operating status

Operating

Headcount range

101–250 employees

Short description

Sanshin is a Hiroshima-based Japanese electrical materials distributor and construction services provider, founded in 1950, that supplies over 100 manufacturer brands and delivers electrical, plumbing, telecommunications, and fire protection construction across the Chugoku region via 20+ branch offices, primarily serving construction firms, manufacturers, and facilities operators.

Ownership category

akta.pro rank

Product category

Electrical Equipment Distribution

NAICS

Electrical Equipment, Appliance, and Component Manufacturing (335), Wiring Device Manufacturing (33593), Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing (3334)

SIC

Miscellaneous Electrical Machinery, Equipment & Supplies (3690), Electrical Industrial Apparatus (3620), Electric Lighting & Wiring Equipment (3640)

akta.pro primary industry

Fire Protection Systems Contracting (Sprinklers, Alarms, Suppression) (IMAFALAD)

akta.pro secondary industries

Wiring Devices & Receptacles (switches, sockets, plugs, industrial outlets, pin & sleeve) (IMAGAEAF), Flexible Cords, Portable Power & Cord Sets (IMADAMAI)

Keywords

• Electrical materials distribution
• Electrical construction services
• Fire protection installation
• Industrial equipment wholesale
• HVAC contracting

Headquarters

HQ city

Hiroshima-shi

HQ country

Japan

HQ region

Asia

Offices21 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Supply Chain, Personnel, Operations, Infrastructure, Marketing or Sales

Revenue model

1. Electrical Materials Sales: Sales of electrical machinery, equipment, and construction materials including lighting fixtures, wiring devices, fire alarm systems, electrical panels, air conditioning equipment, and related components. Revenue from merchandise sales to construction companies and facilities.
2. Construction Services: Design, supervision, and construction services for electrical work, plumbing, telecommunications, and fire protection facilities. Revenue from project-based construction contracts.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels2 records

Core offering

Sanshin (三親電材株式会社) sells electrical machinery, equipment, and construction materials (lighting fixtures, wiring devices, fire alarm systems, distribution panels, HVAC equipment, generators, cabling) sourced from leading Japanese manufacturers, and provides design, supervision, and construction services for electrical work, plumbing, telecommunications, and fire protection facilities. The company operates as a top-tier electrical materials distributor in Japan's Chugoku region, serving construction companies, manufacturing plants, hospitals, and office buildings.

Product overview

Sanshin (三親電材株式会社) is an electrical materials wholesale and construction company operating primarily in China's Chugoku region. The company offers a comprehensive portfolio of electrical equipment and construction materials including lighting fixtures, wiring devices, fire alarm systems, conduits, power distribution panels, and HVAC equipment from multiple Japanese manufacturers. In addition to product sales, Sanshin provides integrated construction services encompassing electrical work, plumbing, telecommunications infrastructure, and fire protection systems design and installation. The company serves as a distributor for over 50 brand manufacturers including Panasonic, Toshiba, Mitsubishi Electric, Sharp, Daikin, and others, positioning itself as a top-tier electrical materials supplier in the Chugoku region.

Differentiator

Problem solved

Functional benefit

Products and services

• Lighting Fixtures (照明器具)
• Wiring Devices (配線器具)

Named customers3 records

Segments4 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Scale indicators6 records

Recent moves8 records

Expansion highlights3 records

Others

• Mitsubishi Electric: Mitsubishi Electric is one of the principal manufacturers whose products (lighting, panels, HVAC, generators) Sanshin distributes. It is comparable as a key upstream supplier relationship and as a benchmark for the Japanese electrical equipment ecosystem in which Sanshin operates as a downstream channel partner.

Regional players

• Hokuriku Denki Koji: Hokuriku Denki Koji is a regional electrical construction company serving the Hokuriku region. Comparable to Sanshin's parent as a regionally anchored electrical contractor with similar service lines (electrical, telecom, fire protection), though operating in a different geography.
• Kyudenko (Kyushu Electrical Construction): Kyudenko is the dominant electrical contractor in Kyushu, affiliated with Kyushu Electric Power. Comparable to Chudenko and Sanshin in the vertically-integrated regional electrical contracting model, providing a relevant benchmark for Sanshin's regional positioning.
• Toenec: Toenec is a Nagoya-based electrical, telecommunications, and HVAC contractor serving the Chubu region. Comparable to Sanshin as a regional diversified MEP contractor with similar mixed service-plus-supply characteristics, though operating in a different geography.
• Yondenko (Shikoku Electric Construction): Yondenko is a regional electrical contractor serving the Shikoku region under the Shikoku Electric Power umbrella. It is comparable to Sanshin's parent Chudenko as a regionally dominant MEP contractor, providing a benchmark for Sanshin's regional service model in a different Japanese geography.

Direct peers

• Yuasa Shoji: Yuasa Shoji is a Japanese trading company specializing in electrical equipment, industrial machinery, and construction materials distribution. It mirrors Sanshin's hybrid model of distributing electrical supplies alongside facility construction services, serving similar B2B contractor and industrial customers.
• Ryoden Shoji: Ryoden Shoji is a Japan-based electrical equipment and industrial systems distributor with a nationwide branch network. Like Sanshin, it aggregates products from major Japanese manufacturers (Mitsubishi, Omron) and sells to construction, manufacturing, and facility customers, making it a directly comparable distribution model.

Broad incumbents

• Chudenko (Chugoku Denki Koji): Chudenko is Sanshin's parent company and one of Japan's largest electrical contractors, headquartered in Hiroshima. It dominates electrical construction across the Chugoku region and supplies intra-group demand to Sanshin; it is comparable as the construction-side counterpart to Sanshin's distribution business.
• Nippon Densetsu Kogyo (NDK): NDK is a large Japanese electrical construction firm with national reach across railway, building, and utility markets. Comparable to Sanshin/Chudenko in the breadth of electrical contracting services, though it operates at significantly larger scale and does not focus on materials distribution.
• Kandenko: Kandenko is a major Japanese electrical construction contractor serving Tokyo Electric Power and other utilities. Although larger and Tokyo-focused, it is comparable as a leading national MEP/electrical contractor whose procurement needs overlap with Sanshin's distribution universe.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/the-james-collective

Revenue estimate

Valuation estimate

Number of profiles

Profiles6 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 Sanshin