Thailand

Top 10 largest Thai Companies in the Oil & Gas Refining & Marketing industry by Market Cap

This is the list of the largest public listed companies in the Oil & Gas Refining & Marketing industry from Thailand by market capitalization with links to their reference stock.

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Top Oil & Gas Refining & Marketing Companies from Thailand as of Jul. 01, 2025

Rank Company Market Cap (USD) Country Sector Industry
1 PTT Oil and Retail Business Public Company Ltd $4.20 B Thailand Thai Energy Thai Oil & Gas Refining & Marketing
2 Thai Oil Public Company Ltd $1.91 B Thailand Thai Energy Thai Oil & Gas Refining & Marketing
3 Bangchak Corp Public Company Ltd $1.32 B Thailand Thai Energy Thai Oil & Gas Refining & Marketing
4 Esso $900.7 M

(Jan. 1, 2024)

 Thailand Thai Energy Thai Oil & Gas Refining & Marketing
5 Star Petroleum Refining Public Company Ltd $682.3 M Thailand Thai Energy Thai Oil & Gas Refining & Marketing
6 IRPC PCL $497.5 M Thailand Thai Energy Thai Oil & Gas Refining & Marketing
7 Siamgas and Petrochemicals Public Company Ltd $379.9 M Thailand Thai Energy Thai Oil & Gas Refining & Marketing
8 Susco Public Company Ltd $75.0 M Thailand Thai Energy Thai Oil & Gas Refining & Marketing
9 Sea Oil Public Company Ltd $54.7 M Thailand Thai Energy Thai Oil & Gas Refining & Marketing
10 AI Energy Public Company Ltd $47.4 M Thailand Thai Energy Thai Oil & Gas Refining & Marketing

Top Oil & Gas Refining & Marketing Companies from Thailand as of Jul. 01, 2025

1. PTT Oil and Retail Business Public Company Ltd

Company Profile: PTT Oil and Retail Business Public Company Ltd
Market Cap (USD): $4.20 B
Country: Thailand
Sector: Thai Energy
Industry: Thai Oil & Gas Refining & Marketing

2. Thai Oil Public Company Ltd

Company Profile: Thai Oil Public Company Ltd
Market Cap (USD): $1.91 B
Country: Thailand
Sector: Thai Energy
Industry: Thai Oil & Gas Refining & Marketing

3. Bangchak Corp Public Company Ltd

Company Profile: Bangchak Corp Public Company Ltd
Market Cap (USD): $1.32 B
Country: Thailand
Sector: Thai Energy
Industry: Thai Oil & Gas Refining & Marketing

4. Esso

Company Profile: Esso
Market Cap (USD): $900.7 M (Jan. 1, 2024)
Country: Thailand
Sector: Thai Energy
Industry: Thai Oil & Gas Refining & Marketing

5. Star Petroleum Refining Public Company Ltd

Company Profile: Star Petroleum Refining Public Company Ltd
Market Cap (USD): $682.3 M
Country: Thailand
Sector: Thai Energy
Industry: Thai Oil & Gas Refining & Marketing

6. IRPC PCL

Company Profile: IRPC PCL
Market Cap (USD): $497.5 M
Country: Thailand
Sector: Thai Energy
Industry: Thai Oil & Gas Refining & Marketing

7. Siamgas and Petrochemicals Public Company Ltd

Company Profile: Siamgas and Petrochemicals Public Company Ltd
Market Cap (USD): $379.9 M
Country: Thailand
Sector: Thai Energy
Industry: Thai Oil & Gas Refining & Marketing

8. Susco Public Company Ltd

Company Profile: Susco Public Company Ltd
Market Cap (USD): $75.0 M
Country: Thailand
Sector: Thai Energy
Industry: Thai Oil & Gas Refining & Marketing

9. Sea Oil Public Company Ltd

Company Profile: Sea Oil Public Company Ltd
Market Cap (USD): $54.7 M
Country: Thailand
Sector: Thai Energy
Industry: Thai Oil & Gas Refining & Marketing

10. AI Energy Public Company Ltd

Company Profile: AI Energy Public Company Ltd
Market Cap (USD): $47.4 M
Country: Thailand
Sector: Thai Energy
Industry: Thai Oil & Gas Refining & Marketing

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