Top Named Thai Industries by Return on Assets in 2026
In short
Manufacture of other peripheral equipment, TSIC code 26209, posts a 45.9 percent return on assets, the highest of any named Thai industry with at least 100 companies that filed a financial statement as of 17 July 2026. Risk and damage evaluation follows at 29.5 percent, more than 16 times its own financial and insurance sector average. Retail sale of leather articles ranks third at 27.3 percent. The national average return on assets across the whole registry sits at just 2.55 percent. Company level rankings elsewhere are skewed by single outlier firms, so this page ranks by industry code instead.
Which named Thai industry has the highest return on assets?
Ranked by return on assets, Manufacture of other peripheral equipment tops Thailand's named industries at 45.9 percent. That figure comes from the market_tsic_insight table, limited to TSIC codes with at least 100 companies that filed a financial statement (DBD, 2026). Risk and damage evaluation, a financial and insurance code, follows at 29.5 percent. Retail sale of leather articles in specialized stores ranks third at 27.3 percent. Activities of head offices ranks fourth at 22.9 percent. Portfolio and fund management activities ranks fifth at 17.8 percent. Every one of these codes clears the national return on assets of 2.55 percent by a wide margin. The top code alone runs about 18 times the national figure. Both leaders also dwarf their own sectors. Manufacturing's aggregate return on assets is 4.52 percent. TSIC 26209 returns more than ten times its own sector's average. Financial and insurance's aggregate return on assets is just 1.80 percent. TSIC 66210 returns more than sixteen times its own sector's average.
Return on assets by named 5 digit TSIC industry code
- Peripheral equipment mfg46
- Risk and damage evaluation30
- Leather goods retail27
- Head offices23
- Fund management18
- Seed processing16
- Meat wholesale14
- Motorcycle sales14
- Coffee mfg14
- Custody services13
Figures in percent return on assets.
Each code carries at least 100 companies that filed a financial statement. The leaders sit far above their own parent sectors, not just above the national average.
Top 10 named Thai industries by return on assets
| TSIC code | Industry | Section | Return on assets | Filing companies |
|---|---|---|---|---|
| 26209 | Manufacture of other peripheral equipment, not elsewhere classified | Manufacturing | 45.9% | 119 |
| 66210 | Risk and damage evaluation | Financial and insurance | 29.5% | 995 |
| 47713 | Retail sale of leather articles in specialized stores, except footwear | Wholesale and retail trade | 27.3% | 545 |
| 70100 | Activities of head offices | Professional, scientific and technical | 22.9% | 313 |
| 66301 | Portfolio and fund management activities, except pension funds | Financial and insurance | 17.8% | 280 |
| 01640 | Seed processing for propagation | Agriculture | 15.9% | 109 |
| 46311 | Wholesale of meat and meat products | Wholesale and retail trade | 14.2% | 1,554 |
| 45401 | Sale of motorcycles | Wholesale and retail trade | 14.1% | 4,115 |
| 10761 | Manufacture of coffee | Manufacturing | 13.6% | 524 |
| 66193 | Custody services | Financial and insurance | 13.5% | 346 |
Named 5 digit TSIC codes with at least 100 companies that filed a financial statement, ranked by return on assets, as of 17 Jul 2026.
Why the niche codes lead, and why it matters
Neither top code is a household name. Peripheral equipment manufacturing and risk and damage evaluation, a claims adjusting niche inside insurance, are industries a general reader would never guess sit at the top of a national profitability table. That is the point of ranking by named TSIC code rather than by section. A twenty one letter sector average hides enormous variation underneath it. Manufacturing as a whole earns a modest 4.52 percent return on assets, yet one of its five digit codes clears 45 percent. Financial and insurance earns just 1.80 percent overall, yet one of its codes clears 29 percent. For a lender, an investor or a founder scanning for where capital works hardest in Thailand, the sector label is the wrong resolution. The five digit code is where the real story sits. It also explains why this page avoids the market_trends_insight roa ranking entirely. That table ranks individual companies, and its single highest return on assets figure is 3,401.6 percent, produced by one firm with almost no assets on its books relative to its profit. A number like that says nothing about an industry. An aggregate across at least 100 filing companies does.
Definitions
- Return on assets, ROA
- Aggregate net profit as a share of aggregate total assets for all companies in a group. A 10 percent return on assets means 10 satang of profit for every baht of assets held.
- TSIC code
- The Thailand Standard Industrial Classification code, a 5 digit number identifying a specific industry activity, one level more detailed than the 21 lettered industry sections.
- Named industry code
- A TSIC code matched against Thailand's official TSIC 2009 classification list to carry an industry name, since Max Data's own registry does not store a written description for 5 digit codes.
- Filing companies
- Registered companies within a TSIC code that filed a financial statement, giving the code usable revenue, profit and asset figures.
- Qualifying threshold
- The minimum of 100 companies that filed a financial statement a TSIC code needed to appear in this ranking, chosen to stop a handful of firms from swinging an entire industry's average.
Assumptions
- The ranking only includes TSIC codes with at least 100 companies that filed a financial statement, which excludes 571 smaller named codes where a handful of companies can swing the average sharply.
- Return on assets is an aggregate figure, total net profit for the code divided by total assets for the code, not an average of each company's own ratio.
- Several top ranked codes still carry a majority micro sized company base, so a small number of unusually profitable filers can lift the whole code's average.
- dataAsOf reflects the live computed_at timestamp on the aggregate tables at query time, which had refreshed to 17 July 2026 since the routine's earlier reference date.
Methodology
Return on assets is aggregate net profit divided by aggregate total assets for every company in a 5 digit TSIC code that filed a financial statement, drawn from the DBD registry and computed as of 17 July 2026. The ranking is limited to TSIC codes carrying an official Thailand Standard Industrial Classification name and at least 100 companies that filed a financial statement, which keeps the ratio from being driven by a handful of firms. Section level comparisons in the prose use the same aggregate method rolled up to the 21 lettered industry sections. Figures are industry code aggregates, not an average of each company's own ratio. Industry names come from Thailand's published TSIC 2009 classification list, since the underlying database does not store written descriptions for 5 digit codes.
How we verified this
- Re-sorted all 657 named TSIC codes with at least 100 companies that filed a financial statement by return on assets and confirmed TSIC 26209 tops the table at 45.95 percent, ahead of TSIC 66210 at 29.52 percent.
- Recomputed the gap between the top two codes as 45.95 minus 29.52, equal to 16.43 percentage points.
- Divided TSIC 26209's 45.95 percent return on assets by the national aggregate of 2.55 percent, giving a multiple of 18.0 times the national average.
- Divided TSIC 26209's 45.95 percent return on assets by manufacturing section C's own aggregate return on assets of 4.52 percent, giving a multiple of 10.2 times its own sector.
- Divided TSIC 66210's 29.52 percent return on assets by financial and insurance section K's own aggregate return on assets of 1.80 percent, giving a multiple of 16.4 times its own sector.
- Recomputed the qualifying share as 657 divided by 1,228 total five digit TSIC codes in the registry, equal to 53.5 percent carrying 100 or more companies with a filed financial statement.
- Checked the market_trends_insight roa metric directly and confirmed its top row shows a single company return of 3,401.6 percent, matching the data guide's warning that company level roa rankings are outlier driven and unfit to publish.
References
- Department of Business Development. (2026). Registered juristic persons and financial statement aggregates. Ministry of Commerce, Thailand. https://www.dbd.go.th/
- National Statistical Office of Thailand. (2009). Thailand Standard Industrial Classification (TSIC) 2009. https://eservice.dede.go.th/files/TSIC2009.pdf
- 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
Which named Thai industry has the highest return on assets in 2026?
Manufacture of other peripheral equipment, TSIC code 26209, at a 45.9 percent return on assets among codes with at least 100 companies that filed a financial statement.
Why not use the market_trends_insight return on assets ranking?
That table ranks individual companies, and its top row shows a 3,401.6 percent return driven by one firm with an unusually small asset base. This page ranks by industry code instead, aggregated across at least 100 filing companies each.
What counts as a named industry in this ranking?
A 5 digit TSIC code drawn from Thailand's official TSIC 2009 classification list, limited to codes with at least 100 companies that filed a financial statement, so the average return reflects a real industry rather than a handful of firms.
How does the top industry compare with its own sector?
TSIC 26209 sits inside manufacturing, a sector with an overall return on assets of 4.52 percent, so the top code returns more than ten times its own sector's average.
Cite this page
Chatpong L. (2026). Top Named Thai Industries by Return on Assets in 2026. Max Data Insights. https://maxdatathailand.com/insights/top-named-thai-industries-by-return-on-assets-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.