Bangchak Sriracha Public Company Limited is an integrated petroleum refining and distribution business, operating and oil refinery and aromatics business in Sriracha, Chonburi province, a network of oil terminal, nationwide service stations under the brand “Bangchak”

The Business owns and operates a Complex Refinery with a maximum rated capacity of 174,000 barrels per day and 100 Crude and finished oil tanks, an aromatics plant with a capacity of 500,000 tons per annum of Paraxylene and a solvent production unit with a capacity of 50,000 tons per annum. Each plant is linked to the business’ integrated refining unit and refining process. The Business sells refined petroleum products to retail consumers through its network of retail service stations under the brand “Bangchak” and directly to commercial customers in the industrial, wholesale, aviation, marine sector, and exportation

As of December 2023

Crude Run Rate

Barrels Per Day


Million Baht

Service Station

Stations (Nationwide)

Bangchak Sriracha Public Company Limited

A complex refinery with crude run rate of 118,300 barrels per day
Retail business network with 830 service stations nationwide
Gross Refining Margin (GRM) at 3.8 US$ per barrel
Total product sales volume 7,990 Million Litre


The company’s milestones can be summarized as follows.


  • The company converted from a private limited company and registered as a public limited company under the name “Esso (Thailand) Public Company Limited” on March 12, 1996.
  • The company completed the construction of emulsified asphalt production unit in Sriracha Refinery in May 1996.


On November 3, 1997, Sriracha Refinery obtained ISO 9002 quality management system standard certification in terms of production process, installation, and service of asphalt products from Thai Industrial Standards institute (TISI).


  • On March 24, 1998, His Majesty King Bhumibol Adulyadej had been graciously pleased to bestow the Garuda seal to the company as the operator of petroleum business in Thailand under the royal permission.
  • The company started the construction of an aromatics plant in the area of Sriracha Refinery.


The company increased xylene feedstocks production capacity by converting idle powerformer units into paraxylene feedstock units. This production unit uses a transalkylation to improve heavy aromatics streams and benzene to Xylene. The capacity of paraxylene equivalent is approximately 120,000 tons per year


The company issued ordinary shares for the first public offering on the Stock Exchange of Thailand. The company’s share trading on the stock exchange of Thailand started on May 6, 2008.


The company improved the oil quality at Sriracha Refinery to reduce sulfur and benzene in gasoline and to reduce sulfur content in diesel is completed by January 1, 2012 according to standards and within the time specified by the government.


Sriracha Refinery and Petrochemical Plant completed their major maintenances planed.


The company suspended the production of paraxylene from the aromatics plant at Sriracha Refinery since April 2021. The company continued to produce and supply refined fuels and other chemical solutions while periodically assessed market conditions for Paraxylene production.


Bangchak Corporation Public Company Limited successfully acquired 76.34% of ordinary shares resulted in a company to be an affiliate of Bangchak Corporation Public Company Limited and changed the company’s name to Bangchak Sriracha Public Company Limited following the resolution of the Extraordinary General Meeting of Shareholders No. 1/2023 of Esso (Thailand) Public Company Limited which took place on 14 November 2023.