How Much Revenue Thailand's 21 Sector Leaders Control in 2026
In short
The single largest company in each of Thailand's 21 industry sections together earned 10.29 percent of all corporate revenue as of 17 Jul 2026. That is 8.24 trillion baht of the nation's 80.15 trillion baht total. One firm drives most of that figure. Hua Seng Heng Commoditas, the gold trading company that leads wholesale and retail, reports 6.93 percent of national revenue by itself, which is two thirds of the combined 21 champion total. Take that single company out and the other 20 sector leaders together hold just 3.35 percent of the economy.
How much of Thailand's revenue comes from just the top firm in each sector?
Pick the single largest company in each of Thailand's 21 industry sections and add up their revenue. The total comes to 8.24 trillion baht, 10.29 percent of the 80.15 trillion baht that Thai companies reported in aggregate as of 17 Jul 2026 (DBD, 2026). Twenty one giants, one drawn from every lettered industry section, account for roughly a tenth of the entire corporate economy on their own. The concentration is lopsided even inside that select group of 21. Hua Seng Heng Commoditas, a gold trading company that leads the wholesale and retail section, reports 5.56 trillion baht by itself, equal to 6.93 percent of national revenue. That single firm makes up 67.4 percent of the combined total of all 21 champions. Remove it and the other 20 sector leaders together hold just 3.35 percent of the country's revenue.
Each sector champion's revenue as a share of national revenue
- Wholesale and retail trade7
- Manufacturing2
- Financial and insurance0
- Information and communication0
- Transportation and storage0
- Administrative and support0
- Mining and quarrying0
- Professional, scientific and technical0
- Construction0
- Electricity and gas0
- Real estate0
- Agriculture, forestry and fishing0
- Human health and social work0
- Accommodation and food service0
- Arts and entertainment0
- Water supply and waste management0
- Other services0
- Education0
- Public administration0
- Extraterritorial organizations0
- Households as employers0
Figures in percent of national revenue.
One gold trading company, the top filer in wholesale and retail, reports more revenue on its own than every other sector champion combined.
The top company in every one of Thailand's 21 industry sections
| Section | Top company | Revenue, billion baht | Share of national revenue |
|---|---|---|---|
| Wholesale and retail trade | Hua Seng Heng Commoditas Company Limited | 5,557 | 6.93% |
| Manufacturing | PTT Public Company Limited | 1,562 | 1.95% |
| Financial and insurance | Bangkok Bank Public Company Limited | 203 | 0.25% |
| Information and communication | Advanced Wireless Network Co.,Ltd. | 198 | 0.25% |
| Transportation and storage | Thai Airways International Public Company Limited | 194 | 0.24% |
| Administrative and support | True Move H Universal Communication Co.,Ltd. | 162 | 0.20% |
| Mining and quarrying | PTT Exploration and Production Public Company Limited | 85 | 0.11% |
| Professional, scientific and technical | Advanced Info Service Public Company Limited | 52 | 0.06% |
| Construction | Italianthai Development Public Company Limited | 50 | 0.06% |
| Electricity and gas | Gulf SRC Co.,Ltd. | 37 | 0.05% |
| Real estate | Central Pattana Public Company Limited | 35 | 0.04% |
| Agriculture, forestry and fishing | Cargill Meats Thailand Limited | 32 | 0.04% |
| Human health and social work | Bangkok Dusit Medical Services Public Company Limited | 31 | 0.04% |
| Accommodation and food service | Minor International Public Company Limited | 19 | 0.02% |
| Arts and entertainment | Lotteryplus Co., Ltd. | 16 | 0.02% |
| Water supply and waste management | Joon Chee Material Technology Co., Ltd. | 6 | 0.01% |
| Other services | Fortasia Co., Ltd. | 4 | 0.00% |
| Education | Saeng Neern Patanakarn Co., Ltd. | 2 | 0.00% |
| Public administration | Dental Corporation Company Limited | 0 | 0.00% |
| Extraterritorial organizations | Interpark International Thailand Company Limited | 0 | 0.00% |
| Households as employers | Lamai Sueakok Limited Partnership | 0 | 0.00% |
Revenue shown in billion baht. Share is that company's revenue divided by national total revenue of 80.15 trillion baht, as of 17 Jul 2026.
Why this matters
A tenth of Thailand's entire corporate revenue running through just 21 companies is a striking number on its own. What it hides is more telling. A single gold trading company generates more revenue than the top firm in twenty other sections combined. Wholesale and retail trade counts more than 715,000 registered companies, the largest section by count in the whole registry, yet one filer inside it towers over the rest of the national economy. Company counts can make a sector look crowded and competitive while revenue sits almost entirely with one player. Anyone reading sector averages needs the shape of the distribution behind them, not just the mean, because the mean can be almost meaningless when one company holds this much of the total.
Definitions
- Industry section
- One of 21 top level categories, labeled A through U, that the Thailand Standard Industrial Classification assigns to every registered company.
- Sector champion
- The single company with the highest reported revenue within an industry section, as recorded in the DBD registry.
- Aggregate revenue
- The sum of reported revenue across every company in a group that filed a financial statement, not an average of individual company revenue.
- TSIC
- The Thailand Standard Industrial Classification, the coding system the DBD uses to sort every registered company into a section and a finer industry code.
Assumptions
- Only companies that filed a financial statement contribute to any revenue total, so unregistered or non filing companies are excluded from both the numerator and the denominator.
- The top company in each section is whichever single filer reported the highest revenue figure, which for a trading or bullion firm can reflect gross transaction value rather than a value added measure of business activity.
- Sections with very few filers, including public administration, households as employers and extraterritorial organizations, have a top company that is not a meaningful market leader given how few companies sit in that section.
Methodology
For each of Thailand's 21 DBD industry sections we took the single company with the highest reported revenue from market_section_insight and summed those 21 figures. We divided that sum by the national total revenue recorded in market_national_insight. Both tables are drawn from the Department of Business Development registry as of 17 July 2026 and include only companies that filed a financial statement. The wholesale and retail figure reflects one bullion trader's reported revenue, which can include gross transaction value rather than a value added measure of business activity, so treat that line as an outlier rather than a typical retailer.
How we verified this
- Summed top_company_revenue across all 21 rows of market_section_insight: 31,608,151,861 plus 85,469,910,000 plus 1,562,341,446,477 plus 37,469,188,703 plus 5,552,966,585.23 plus 50,368,666,000 plus 5,556,701,724,240.86 plus 193,913,474,014 plus 18,875,301,683 plus 198,389,337,108 plus 202,549,954,000 plus 35,443,554,968 plus 51,703,994,260 plus 161,821,786,000 plus 216,110,390.78 plus 2,041,013,477.20 plus 30,723,557,528 plus 16,190,074,494.06 plus 3,553,401,621.99 plus 1,753,924.70 plus 16,339,895.20 equals 8,244,951,707,232.02 baht.
- Divided 8,244,951,707,232.02 by the national total_revenue of 80,146,498,562,463.62 from market_national_insight to get 10.2874 percent, reported as 10.29 percent.
- Divided the single largest champion's revenue of 5,556,701,724,240.86 by the same national total to get 6.9332 percent, reported as 6.93 percent.
- Divided 5,556,701,724,240.86 by the 21 champion sum of 8,244,951,707,232.02 to get 67.395 percent, reported as 67.4 percent, confirming that one firm is more than two thirds of the combined 21 champion total.
- Subtracted the largest champion's revenue from the 21 champion sum, 8,244,951,707,232.02 minus 5,556,701,724,240.86 equals 2,688,249,982,991.16, then divided by national total revenue to get 3.354 percent, reported as 3.35 percent for the remaining 20 champions.
References
- Department of Business Development. (2026). Registered juristic persons and financial statement aggregates. Ministry of Commerce, Thailand. https://www.dbd.go.th/
- OECD. (2025). The corporate sector. In OECD Capital Market Review of Thailand 2025. OECD Publishing. https://www.oecd.org/en/publications/oecd-capital-market-review-of-thailand-2025_0a975590-en/full-report/the-corporate-sector_008c96e5.html
Frequently asked questions
How much revenue do Thailand's 21 biggest sector companies generate together?
The single largest company in each of Thailand's 21 industry sections reported 8.24 trillion baht combined, 10.29 percent of the 80.15 trillion baht Thai companies reported in aggregate as of 17 Jul 2026.
Which single company contributes the most to that total?
Hua Seng Heng Commoditas, the gold trading company that leads the wholesale and retail section, reports 5.56 trillion baht on its own, equal to 6.93 percent of national revenue and 67.4 percent of the combined 21 champion total.
What do the 21 sector champions hold if that top gold trader is excluded?
The other 20 sector leaders combined hold 3.35 percent of national revenue, far below the headline 10.29 percent for all 21.
Why is one wholesale and retail company so far ahead of every other sector leader?
Gold traders report large transaction volumes as revenue, so a single bullion firm can post revenue far above a typical retailer, manufacturer or bank even in a section with over 715,000 registered companies.
Cite this page
Chatpong L. (2026). How Much Revenue Thailand's 21 Sector Leaders Control in 2026. Max Data Insights. https://maxdatathailand.com/insights/how-much-of-thai-revenue-comes-from-each-sectors-top-firm-2026
Data & corrections
Download the data (CSV)Spot something off, or want to ask about the data? Email insights@maxsolutions.co.th. We publish corrections.
Written by
Chatpong L.Founder, Max Data, Max Solutions Co., Ltd.
Chatpong L. leads Max Data, a company-intelligence platform built on Thailand's official business registry. He writes about the structure of the Thai economy using primary registry data. His work covers company formation, industry concentration, and regional business activity.
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This page reports company-level and aggregate statistics only. It names no individuals and makes no claims about any person. Figures are provided for information and may be revised as source data updates.