Idemitsu Kosan
Idemitsu Kosan is Japanese petroleum company. Founded in 1911. (Wikidata)
Idemitsu Kosan's strongest tracked position is the Japan Crude Oil Market at an estimated 21.4% share in a market growing at 1.0% CAGR.
Meridian Consensus tracks Idemitsu Kosan in 1 market across 1 industry (energy). Estimated in-market revenue is $19.2B, the sum of share × market size across appearances — a modeled figure, not reported company revenue.
Share and revenue figures are Meridian model estimates reconciled through the publish-gate validator, not audited financials. Methodology
Market positions
| Market | CAGR | Share |
|---|---|---|
| Japan Crude Oil Market | 1.0% | 21.4% |
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Idemitsu Kosan: frequently asked
Meridian Consensus tracks Idemitsu Kosan in 1 market: Japan Crude Oil Market ($89.7B), spanning energy.
Idemitsu Kosan's strongest tracked position is the Japan Crude Oil Market, a $89.7B market growing at 1.0% CAGR, where it holds an estimated 21.4% share as of June 2026.
Across Meridian-tracked markets, Idemitsu Kosan's closest peers are ENEOS Holdings, Cosmo Energy Holdings, Fuji Oil Company, TonenGeneral Sekiyu, ExxonMobil Global Trading, with the largest overlap in the Japan Crude Oil Market. Peer mapping is based on co-appearance in the same tracked markets.
No. Share and revenue figures on this page are model estimates produced by Meridian's research pipeline and committee-reviewed before publication; they are not audited or exchange-filed financials. Market-level sizings are reconciled against external sources during the publish gate.
Adjacent markets in energy
Tracked markets in the same industry where Idemitsu Kosan is not among the named operators. Each carries Porter Five Forces, SWOT, country analysis, and a full competitor table.
Operators that compete with Idemitsu Kosan
Idemitsu Kosan's closest peers across Meridian-tracked markets are ENEOS Holdings, Cosmo Energy Holdings, Fuji Oil Company, among others, ordered by how many tracked markets they share with the operator.
- 1 sharedENEOS HoldingsTop overlap · Japan Crude Oil
- 1 sharedCosmo Energy HoldingsTop overlap · Japan Crude Oil
- 1 sharedFuji Oil CompanyTop overlap · Japan Crude Oil
- 1 sharedTonenGeneral SekiyuTop overlap · Japan Crude Oil
- 1 sharedExxonMobil Global TradingTop overlap · Japan Crude Oil
- 1 sharedINPEX CorporationTop overlap · Japan Crude Oil
- 1 sharedSaudi AramcoTop overlap · Japan Crude Oil
- 1 sharedAbu Dhabi National Oil CompanyTop overlap · Japan Crude Oil
- 1 sharedKuwait Petroleum CorporationTop overlap · Japan Crude Oil
- 1 sharedQatar EnergyTop overlap · Japan Crude Oil
Or browse the full A–Z operator directory for any company in the catalogue.
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