Cosmo Oil (Chiba Refinery)

Physicalowns barges or a terminal·1 port, licensed at 1

Cosmo Oil (Chiba Refinery) is the Chiba refinery of Cosmo Oil Co., Ltd., a Japanese petroleum company within Cosmo Energy Group whose business includes refining, storage, and sales of crude oil and petroleum products; it is listed as a supplier at Chiba. The refinery is located at 2 Goi Kaigan, Ichihara, Chiba, started operations in February 1963, and has a crude oil processing capacity of 214,000 barrels per day with 465 employees (as of March 31, 2026).

Head office: Ichihara, Chiba, Japan

Where Cosmo Oil (Chiba Refinery) supplies

Named on the port authority's register of licensed suppliers at 1 of these. The rest are ports the company publishes coverage of itself.

Port	Country	Licensed
ChibaJPCHB	JP	on the register

The bunker desk at Cosmo Oil (Chiba Refinery)

Their enquiry address and direct line. Free account, no card.

Ask Cosmo Oil (Chiba Refinery) for a price →We put their answer beside the other suppliers at the same port, all-in per tonne.

Request a price →

Is this your company?

Claim the page and you control what it says — the ports you actually cover, the grades you carry, the desk that should receive requests. You can post your own prices, and they appear on every port page above.

Claim Cosmo Oil (Chiba Refinery) →A person checks the claim before anything changes.

Listed here because a port authority register or the company’s own pages say it supplies fuel at these ports. It is not a recommendation, and it implies no relationship between us and the company. Corrections and removals: data@bunkerfuelprices.com.