Thailand

Top 440 largest Thai Companies by Market Cap

This is the list of the largest public listed companies from Thailand by market capitalization with links to their reference stock, sector and industry.

Thailand Market Analysis
World Top Companies World Companies Analysis

Top Companies from Thailand as of Jan. 01, 2026

Rank Company Market Cap (USD) Country Sector Industry
271 Metro Systems Corp Public Company Ltd $86.8 M Thailand Thai Technology Thai Electronics & Computer Distribution
272 Super Energy Corp Public Company Ltd $86.8 M Thailand Thai Utilities Thai Utilities—Renewable
273 Jutha Maritime Public Company Ltd $86.6 M

(July 1, 2022)

 Thailand Thai Industrials Thai Marine Shipping
274 POSCO-Thainox Public Company Ltd $86.6 M Thailand Thai Basic Materials Thai Steel
275 Toray Textiles $86.6 M

(July 1, 2025)

 Thailand Thai Consumer Discretionary Thai Textile Manufacturing
276 BG Container Glass Public Company Ltd $85.9 M Thailand Thai Consumer Discretionary Thai Packaging & Containers
277 Padaeng Industry Public Company Ltd $85.2 M

(Oct. 1, 2021)

 Thailand Thai Utilities Thai Utilities—Renewable
278 Interlink Communication Public Company Ltd $84.7 M

(July 1, 2025)

 Thailand Thai Technology Thai Communication Equipment
279 Eastern Water Resources Development and Management Public Company Ltd $83.7 M

(July 1, 2025)

 Thailand Thai Utilities Thai Utilities—Regulated Water
280 TMT Steel Public Company Ltd $83.3 M

(July 1, 2025)

 Thailand Thai Basic Materials Thai Steel
281 MCOT Public Company Ltd $83.1 M

(July 1, 2025)

 Thailand Thai Communication Services Thai Broadcasting
282 UOB Kay Hian Securities $82.9 M

(July 1, 2025)

 Thailand Thai Financials Thai Capital Markets
283 Nam Seng Insurance Public Company Ltd $82.5 M

(April 1, 2023)

 Thailand Thai Financials Thai Insurance—Property & Casualty
284 Ratchaphruek Hospital Public Company Ltd $82.1 M Thailand Thai Healthcare Thai Medical Care Facilities
285 Syntec Construction Public Company Ltd $80.6 M

(July 1, 2025)

 Thailand Thai Industrials Thai Engineering & Construction
286 Inter Pharma Public Company Ltd $80.3 M Thailand Thai Healthcare Thai Biotechnology
287 Ladprao General Hospital Public Company Ltd $79.5 M

(July 1, 2025)

 Thailand Thai Healthcare Thai Medical Care Facilities
288 Internet Thailand Public Company Ltd $78.4 M

(July 1, 2025)

 Thailand Thai Technology Thai Information Technology Services
289 TEAM Consulting Engineering and Management Public Company Ltd $78.4 M Thailand Thai Industrials Thai Engineering & Construction
290 United Power of Asia Public Company Ltd $78.3 M

(April 1, 2023)

 Thailand Thai Utilities Thai Utilities—Independent Power Producers
291 Sahacogen $78.3 M

(July 1, 2025)

 Thailand Thai Utilities Thai Utilities—Regulated Electric
292 T.K.S. Technologies Public Company Ltd $78.0 M

(July 1, 2025)

 Thailand Thai Industrials Thai Specialty Business Services
293 Samart Telcoms Public Company Ltd $77.7 M Thailand Thai Communication Services Thai Telecom Services
294 Amata VN Public Company Ltd $77.6 M

(July 1, 2025)

 Thailand Thai Real Estate Thai Real Estate Services
295 Thai Plaspac Public Company Ltd $77.1 M

(July 1, 2025)

 Thailand Thai Consumer Discretionary Thai Packaging & Containers
296 Sena Development Public Company Ltd $76.3 M Thailand Thai Real Estate Thai Real Estate—Development
297 Demco Public Company Ltd $76.3 M Thailand Thai Industrials Thai Engineering & Construction
298 Gratitude Infinite Public Company Ltd $75.2 M

(Jan. 1, 2025)

 Thailand Thai Basic Materials Thai Specialty Chemicals
299 Susco Public Company Ltd $75.0 M

(July 1, 2025)

 Thailand Thai Energy Thai Oil & Gas Refining & Marketing
300 Amata Summit Growth Freehold and Leasehold Real Estate Investment Trust $75.0 M Thailand Thai Real Estate Thai REIT—Industrial

Top Companies from Thailand as of Jan. 01, 2026

271. Metro Systems Corp Public Company Ltd

Company Profile: Metro Systems Corp Public Company Ltd
Market Cap (USD): $86.8 M
Country: Thailand
Sector: Thai Technology
Industry: Thai Electronics & Computer Distribution

272. Super Energy Corp Public Company Ltd

Company Profile: Super Energy Corp Public Company Ltd
Market Cap (USD): $86.8 M
Country: Thailand
Sector: Thai Utilities
Industry: Thai Utilities—Renewable

273. Jutha Maritime Public Company Ltd

Company Profile: Jutha Maritime Public Company Ltd
Market Cap (USD): $86.6 M (July 1, 2022)
Country: Thailand
Sector: Thai Industrials
Industry: Thai Marine Shipping

274. POSCO-Thainox Public Company Ltd

Company Profile: POSCO-Thainox Public Company Ltd
Market Cap (USD): $86.6 M
Country: Thailand
Sector: Thai Basic Materials
Industry: Thai Steel

275. Toray Textiles

Company Profile: Toray Textiles
Market Cap (USD): $86.6 M (July 1, 2025)
Country: Thailand
Sector: Thai Consumer Discretionary
Industry: Thai Textile Manufacturing

276. BG Container Glass Public Company Ltd

Company Profile: BG Container Glass Public Company Ltd
Market Cap (USD): $85.9 M
Country: Thailand
Sector: Thai Consumer Discretionary
Industry: Thai Packaging & Containers

277. Padaeng Industry Public Company Ltd

Company Profile: Padaeng Industry Public Company Ltd
Market Cap (USD): $85.2 M (Oct. 1, 2021)
Country: Thailand
Sector: Thai Utilities
Industry: Thai Utilities—Renewable

278. Interlink Communication Public Company Ltd

Company Profile: Interlink Communication Public Company Ltd
Market Cap (USD): $84.7 M (July 1, 2025)
Country: Thailand
Sector: Thai Technology
Industry: Thai Communication Equipment

279. Eastern Water Resources Development and Management Public Company Ltd

Company Profile: Eastern Water Resources Development and Management Public Company Ltd
Market Cap (USD): $83.7 M (July 1, 2025)
Country: Thailand
Sector: Thai Utilities
Industry: Thai Utilities—Regulated Water

280. TMT Steel Public Company Ltd

Company Profile: TMT Steel Public Company Ltd
Market Cap (USD): $83.3 M (July 1, 2025)
Country: Thailand
Sector: Thai Basic Materials
Industry: Thai Steel

281. MCOT Public Company Ltd

Company Profile: MCOT Public Company Ltd
Market Cap (USD): $83.1 M (July 1, 2025)
Country: Thailand
Sector: Thai Communication Services
Industry: Thai Broadcasting

282. UOB Kay Hian Securities

Company Profile: UOB Kay Hian Securities
Market Cap (USD): $82.9 M (July 1, 2025)
Country: Thailand
Sector: Thai Financials
Industry: Thai Capital Markets

283. Nam Seng Insurance Public Company Ltd

Company Profile: Nam Seng Insurance Public Company Ltd
Market Cap (USD): $82.5 M (April 1, 2023)
Country: Thailand
Sector: Thai Financials
Industry: Thai Insurance—Property & Casualty

284. Ratchaphruek Hospital Public Company Ltd

Company Profile: Ratchaphruek Hospital Public Company Ltd
Market Cap (USD): $82.1 M
Country: Thailand
Sector: Thai Healthcare
Industry: Thai Medical Care Facilities

285. Syntec Construction Public Company Ltd

Company Profile: Syntec Construction Public Company Ltd
Market Cap (USD): $80.6 M (July 1, 2025)
Country: Thailand
Sector: Thai Industrials
Industry: Thai Engineering & Construction

286. Inter Pharma Public Company Ltd

Company Profile: Inter Pharma Public Company Ltd
Market Cap (USD): $80.3 M
Country: Thailand
Sector: Thai Healthcare
Industry: Thai Biotechnology

287. Ladprao General Hospital Public Company Ltd

Company Profile: Ladprao General Hospital Public Company Ltd
Market Cap (USD): $79.5 M (July 1, 2025)
Country: Thailand
Sector: Thai Healthcare
Industry: Thai Medical Care Facilities

288. Internet Thailand Public Company Ltd

Company Profile: Internet Thailand Public Company Ltd
Market Cap (USD): $78.4 M (July 1, 2025)
Country: Thailand
Sector: Thai Technology
Industry: Thai Information Technology Services

289. TEAM Consulting Engineering and Management Public Company Ltd

Company Profile: TEAM Consulting Engineering and Management Public Company Ltd
Market Cap (USD): $78.4 M
Country: Thailand
Sector: Thai Industrials
Industry: Thai Engineering & Construction

290. United Power of Asia Public Company Ltd

Company Profile: United Power of Asia Public Company Ltd
Market Cap (USD): $78.3 M (April 1, 2023)
Country: Thailand
Sector: Thai Utilities
Industry: Thai Utilities—Independent Power Producers

291. Sahacogen

Company Profile: Sahacogen
Market Cap (USD): $78.3 M (July 1, 2025)
Country: Thailand
Sector: Thai Utilities
Industry: Thai Utilities—Regulated Electric

292. T.K.S. Technologies Public Company Ltd

Company Profile: T.K.S. Technologies Public Company Ltd
Market Cap (USD): $78.0 M (July 1, 2025)
Country: Thailand
Sector: Thai Industrials
Industry: Thai Specialty Business Services

293. Samart Telcoms Public Company Ltd

Company Profile: Samart Telcoms Public Company Ltd
Market Cap (USD): $77.7 M
Country: Thailand
Sector: Thai Communication Services
Industry: Thai Telecom Services

294. Amata VN Public Company Ltd

Company Profile: Amata VN Public Company Ltd
Market Cap (USD): $77.6 M (July 1, 2025)
Country: Thailand
Sector: Thai Real Estate
Industry: Thai Real Estate Services

295. Thai Plaspac Public Company Ltd

Company Profile: Thai Plaspac Public Company Ltd
Market Cap (USD): $77.1 M (July 1, 2025)
Country: Thailand
Sector: Thai Consumer Discretionary
Industry: Thai Packaging & Containers

296. Sena Development Public Company Ltd

Company Profile: Sena Development Public Company Ltd
Market Cap (USD): $76.3 M
Country: Thailand
Sector: Thai Real Estate
Industry: Thai Real Estate—Development

297. Demco Public Company Ltd

Company Profile: Demco Public Company Ltd
Market Cap (USD): $76.3 M
Country: Thailand
Sector: Thai Industrials
Industry: Thai Engineering & Construction

298. Gratitude Infinite Public Company Ltd

Company Profile: Gratitude Infinite Public Company Ltd
Market Cap (USD): $75.2 M (Jan. 1, 2025)
Country: Thailand
Sector: Thai Basic Materials
Industry: Thai Specialty Chemicals

299. Susco Public Company Ltd

Company Profile: Susco Public Company Ltd
Market Cap (USD): $75.0 M (July 1, 2025)
Country: Thailand
Sector: Thai Energy
Industry: Thai Oil & Gas Refining & Marketing

300. Amata Summit Growth Freehold and Leasehold Real Estate Investment Trust

Company Profile: Amata Summit Growth Freehold and Leasehold Real Estate Investment Trust
Market Cap (USD): $75.0 M
Country: Thailand
Sector: Thai Real Estate
Industry: Thai REIT—Industrial

Stay in touch