Name

出光興産（株）

Legal name

出光興産株式会社

Website

https://idemitsu.co.jp

Company type

Public

Founded year

1940

Operating status

Operating

Headcount range

101–250 employees

Ownership category

akta.pro rank

Product category

Petroleum Refining and Marketing

NAICS

Petroleum Refineries (32411), Petroleum Lubricating Oil and Grease Manufacturing (324191), Petrochemical Manufacturing (32511), Fuel Dealers (45721)

SIC

Petroleum Refining (2911), Industrial Organic Chemicals (2860), Wholesale-Petroleum & Petroleum Products (No Bulk Stations) (5172)

akta.pro primary industry

Oilfield & Refining Specialty Chemicals (IMAEABAI)

akta.pro secondary industries

Industrial Lubricants (Hydraulics, Gear, Compressor, Turbine, Metalworking) (EUALAJAG), Fuel Additives & Lubricant Additives (IMAEAMAL), Solid Biomass Fuel Wholesale & Retail Distribution (Bulk, Bagged, Residential Heating) (EUAAAJAJ), Base Oil Production & Supply (Group I–V, Re-refined) (EUALAJAA)

Keywords

• Petroleum refining
• Fuel oil distribution
• Petrochemical manufacturing
• Renewable energy generation
• Service station network

Headquarters

HQ city

千代田区

HQ country

Japan

HQ region

Asia

Offices1 record

Markets served

GTM type

B2B and B2C

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Fuel Oil: Stable supply of fuel products through group refineries, oil terminals, and approximately 6,000 service stations network. Includes gasoline, diesel, and other petroleum products for automotive, industrial, and household use.
2. Basic Chemicals: Manufacturing and sales of petrochemical feedstocks including naphtha from crude oil refining process. Integrated operations with petroleum refining with domestic top-scale ethylene production capacity.
3. High-Performance Materials: Development and supply of sustainable materials including lubricants, electronic materials, functional pavement materials, functional chemicals, agrochemicals, and functional feed.
4. Power and Renewable Energy: Ownership and operation of diverse power generation facilities including biomass, wind, solar, and natural gas. Wholesale electricity sales to utilities and retail sales to industrial and residential customers.
5. Resources: Oil and gas field development overseas, stable coal supply and low-carbon biomass fuel development, geothermal power plant operation in Japan.

Go-to-market motion2 records

Distribution channels3 records

Marketing channels5 records

Core offering

Idemitsu Kosan operates an integrated energy business spanning petroleum refining, petrochemical manufacturing, high-performance materials, renewable power generation, and resource development. The company supplies fuel oil through approximately 6,000 service stations across Japan, manufactures basic chemicals with Japan's top-scale ethylene capacity, produces lubricants, electronic materials, functional pavement materials, functional chemicals and agro/feed products, and generates power from biomass, wind, solar, natural gas and geothermal sources for both wholesale and retail electricity customers.

Product overview

出光興産 is a diversified Japanese energy company operating across five business segments: Fuel Oil (燃料油), Basic Chemicals (基礎化学品), High-Performance Materials (高機能材), Power and Renewable Energy (電力・再生可能エネルギー), and Resources (資源). The company supplies petroleum products through approximately 6,000 service stations, manufactures petrochemicals including ethylene with Japan's top production capacity, develops high-performance materials including lubricants, electronic materials, and functional chemicals, generates renewable and clean energy, and operates resource development including oil, gas, coal, and geothermal assets. The company also operates 出光保険サービス株式会社, a subsidiary providing insurance products to individuals and corporations.

Differentiator

Problem solved

Functional benefit

Products and services

• Fuel Oil (燃料油) Gasoline, diesel, kerosene and other petroleum fuels supplied through Idemitsu group refineries, oil terminals and a nationwide network of approximately 6,000 service stations, including partner-operated (特約販売店) sites, serving automotive, household and industrial end users in Japan.
• Basic Chemicals (基礎化学品) Petrochemical feedstocks including ethylene manufactured from naphtha derived from crude oil refining, leveraging integrated refining-petrochemical operations with Japan's top-scale ethylene production capacity, sold to industrial chemical customers.
• Lubricants (潤滑油) High-performance industrial and automotive lubricant products developed using proprietary R&D and formulation expertise, sold to industrial customers and through service station channels.
• Electronic Materials (電子材料) Advanced electronic materials developed with proprietary technology for use in electronics and related industrial applications.
• Functional Pavement Materials (機能舗装材) Functional pavement and bitumen materials developed using proprietary technology for road and infrastructure applications, sold to construction and infrastructure customers.
• Functional Chemicals (機能化学品) Functional chemical products developed through proprietary R&D, supplied to industrial customers across multiple downstream applications.
• Agrochemicals and Functional Feed (農薬・機能性飼料) Agrochemical products and functional feed materials developed using proprietary technology for the agriculture and livestock industries.
• Power and Renewable Energy (電力・再生可能エネルギー) Electricity generated from owned biomass, wind, solar, natural gas and other power plants, supplied via wholesale to electric utilities and via retail (idemitsuでんき) to industrial facilities and residential households.
• Retail Electricity Sales (idemitsuでんき) Retail electricity service offered under the idemitsuでんき brand to industrial facilities and residential households across Japan through Idemitsu's power retail subsidiary.
• Coal (石炭) Stable coal supply to industrial customers combined with development and manufacturing of low-carbon biomass fuels including black pellets as a coal-replacement solution for thermal power generation.
• Oil and Natural Gas Development (石油・天然ガス開発) Upstream oil and natural gas field development operations overseas using accumulated technology and expertise, securing crude oil and gas resources for the group's downstream operations.
• Geothermal Power (地熱発電) Operation and development of geothermal power plants in Japan, supplying renewable baseload electricity.
• Idemitsu Insurance Services (出光保険サービス) Wholly-owned subsidiary offering personal insurance (life, medical, cancer, automobile, property, travel) and corporate insurance, including service-station-specific insurance products for partner-operated SS dealers.

Quantifiable outcome

• Stable fuel supply to ~6,000 service stations across Japan
• +3 more outcomes

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Two partnerships are on record, tiered core and minor.

• 昭和シェル石油 (Showa Shell Sekiyu K.K.)coreStrategic or Co-development Partner · 1 April 2019Merger integration completed in April 2019 combining Idemitsu Kosan and Showa Shell Sekiyu. Created Japan's second-largest petroleum refiner/marketer with combined market share. Operational integration of refineries, service stations, and corporate functions.
• DNV Business Assurance Japan K.K.minorStrategic or Co-development PartnerThird-party evaluation agency providing second-party opinion on green/transition bond framework and periodic review of transition bond issuance (2022). Confirms alignment with ICMA Green Bond Principles and Japanese government climate transition finance guidelines.

Scale indicators7 records

Recent moves7 records

Expansion highlights6 records

Broad incumbents

• ExxonMobil Corporation: Global integrated oil major with petroleum refining, petrochemicals (ExxonMobil Chemical), and lubricants (Mobil) operations; comparable to Idemitsu across the same five-segment energy/chemicals architecture at far larger scale.
• Shell plc: Global integrated energy company with refining, petrochemicals, lubricants, and a meaningful renewables/power portfolio; highly comparable to Idemitsu's diversified energy strategy and CNX transition approach.
• Saudi Aramco: Global integrated energy major and Idemitsu's 9.46% strategic shareholder (Aramco Overseas Company B.V.); comparable as a vertically integrated upstream-to-downstream energy company with refining/chemicals exposure and a key counterparty for feedstock supply.
• TotalEnergies SE: Global integrated energy major with refining, petrochemicals, lubricants, and one of the most aggressive renewables/power buildouts; directly analogous to Idemitsu's integrated model with a strong carbon-neutral transformation roadmap.

Direct peers

• Taiyo Oil Co., Ltd. Japanese petroleum refiner and marketer headquartered in Ehime; competes with Idemitsu in domestic refining and wholesale fuel distribution, making it a closely comparable Japanese downstream peer.
• Toa Oil Co., Ltd. Japanese petroleum refiner and marketer with operations centered on Kawasaki refinery; directly comparable to Idemitsu in domestic refining scale, product slate, and B2B industrial fuel supply.
• Cosmo Energy Holdings: Japanese integrated petroleum company with refining, petrochemical, and lubricant operations under the Cosmo and Fuji Oil brands; closely overlaps Idemitsu's Fuel Oil and Basic Chemicals segments with a similar domestic service station footprint.
• ENEOS Corporation: Japan's #1 petroleum refiner/marketer with the largest domestic refining capacity and service station network; directly comparable to Idemitsu across fuel oil, petrochemicals, and lubricants segments, and the primary domestic competitor.
• Fuji Oil Co., Ltd. Japanese petroleum refiner affiliated with Cosmo Energy; competes directly with Idemitsu in refining capacity and domestic fuel supply with comparable product mix.

Emerging players

• Mitsubishi Chemical Group Corporation: Japanese diversified chemicals producer with significant basic chemicals and petrochemical operations; comparable to Idemitsu's Basic Chemicals and High-Performance Materials segments where they compete in feedstocks and specialty products.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

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Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Subsidiaries1 record

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 出光興産（株）