Largest Companies in Thailand by Market Cap

Largest companies in Thailand by market cap. This is the complete list of 643 largest companies in Thailand by market cap, with a combined market capitalization of ฿19.29 Trillion ($601.32 Billion USD). Delta Electronics (Thailand) Public Company Limited leads as the top Thailand company by market cap, valued at $78.93 Billion. From billion-dollar companies to the biggest, richest and most valuable Thailand corporations, these rankings span 105 sectors across 1 exchange. Updated daily with live market data.

Total Market Cap (USD)

$601.32 Billion

Companies Listed

643

Largest Company

Delta Electronics (Thailand) …

Top Thailand Companies by Market Capitalization (November 2026)

Top Thailand companies by market capitalization as of November 2026, from the most valuable listed corporation down to smaller public companies.

Rank Company Market Cap (USD) Market Cap (Local) Price 24h Change 7d Change 52-Week Range All-Time Range 24h Volume
1 Delta Electronics (Thailand) Public Company Limited
BK:DELTA 		$78.93 Billion ฿2.53 Trillion ฿203.00 -8.14% -17.14% Low: ฿159.50 / High: ฿364.00 Low: ฿2.93 / High: ฿364.00 584.58 Million
2 PTT Public Company Limited
BK:PTT 		$37.08 Billion ฿1.19 Trillion ฿42.00 -0.59% +3.07% Low: ฿30.25 / High: ฿43.25 Low: ฿13.32 / High: ฿43.67 2.32 Billion
3 Advanced Info Service Public Company Limited
BK:ADVANC 		$31.33 Billion ฿1.01 Trillion ฿338.00 +1.20% +0.90% Low: ฿302.00 / High: ฿404.00 Low: ฿90.02 / High: ฿404.00 140.13 Million
4 Gulf Energy Development Public Company Limited
BK:GULF 		$28.41 Billion ฿911.33 Billion ฿61.00 -0.41% -1.21% Low: ฿39.75 / High: ฿67.75 Low: ฿9.35 / High: ฿69.50 764.74 Million
5 Airports Of Thailand PCL
BK:AOT 		$26.61 Billion ฿853.57 Billion ฿59.75 -0.42% +2.58% Low: ฿40.00 / High: ฿67.00 Low: ฿27.07 / High: ฿79.16 690.76 Million
6 PTT Exploration and Production Public Company Limited
BK:PTTEP 		$20.42 Billion ฿655.05 Billion ฿165.00 +0.92% +4.43% Low: ฿105.00 / High: ฿166.50 Low: ฿27.63 / High: ฿171.07 377.07 Million
7 Krung Thai Bank Public Company Limited
BK:KTB 		$19.06 Billion ฿611.45 Billion ฿43.75 -0.57% +1.16% Low: ฿27.00 / High: ฿45.50 Low: ฿7.22 / High: ฿45.50 1.56 Billion
8 Kasikornbank Public Company Limited
BK:KBANK 		$18.17 Billion ฿582.85 Billion ฿246.00 -1.60% +3.36% Low: ฿180.00 / High: ฿258.00 Low: ฿61.88 / High: ฿258.00 385.61 Million
9 SCB X Public Company Limited
BK:SCB 		$16.00 Billion ฿513.48 Billion ฿152.50 -0.65% +3.74% Low: ฿127.00 / High: ฿158.50 Low: ฿43.46 / High: ฿158.50 356.10 Million
10 True Corporation Public Company Limited
BK:TRUE 		$13.79 Billion ฿442.27 Billion ฿12.80 +0.00% +0.00% Low: ฿10.60 / High: ฿14.80 Low: ฿2.36 / High: ฿14.80 3.01 Billion
11 CP ALL Public Company Limited
BK:CPALL-R 		$13.41 Billion ฿430.35 Billion ฿48.25 +0.00% +0.00% Low: ฿48.25 / High: ฿48.25 Low: ฿34.04 / High: ฿81.69 0.00
12 The Siam Commercial Bank Public Company Limited
BK:SCB-R 		$13.22 Billion ฿424.26 Billion ฿126.00 +0.00% +0.00% Low: ฿126.00 / High: ฿126.00 Low: ฿60.75 / High: ฿131.50 10.15 Million
13 CP ALL Public Company Limited
BK:CPALL 		$12.16 Billion ฿390.05 Billion ฿43.75 -1.13% +0.00% Low: ฿41.00 / High: ฿54.50 Low: ฿34.05 / High: ฿81.69 906.48 Million
14 Bangkok Bank PCL
BK:BBL 		$11.01 Billion ฿353.14 Billion ฿185.00 -1.33% +2.21% Low: ฿154.50 / High: ฿203.00 Low: ฿73.33 / High: ฿203.00 200.60 Million
15 Bangkok Dusit Medical Services Public Company Limited
BK:BDMS 		$9.71 Billion ฿311.48 Billion ฿19.60 +0.00% +0.51% Low: ฿17.60 / High: ฿22.30 Low: ฿15.62 / High: ฿31.00 1.55 Billion
16 The Siam Cement Public Company Limited
BK:SCC 		$9.54 Billion ฿306.00 Billion ฿255.00 -2.67% -5.90% Low: ฿166.50 / High: ฿278.00 Low: ฿127.50 / High: ฿426.63 157.59 Million
17 Central Pattana Public Company Limited
BK:CPN 		$8.92 Billion ฿286.11 Billion ฿63.75 -1.16% +2.00% Low: ฿50.25 / High: ฿70.00 Low: ฿29.61 / High: ฿75.66 186.64 Million
17 Central Pattana Public Company Limited
BK:CPN-R 		$8.92 Billion ฿286.11 Billion ฿63.75 -1.16% +2.00% Low: ฿61.25 / High: ฿69.25 Low: ฿29.44 / High: ฿74.00 181.13 Million
18 Bank of Ayudhya PCL
BK:BAY 		$8.88 Billion ฿285.04 Billion ฿38.75 -2.52% -1.90% Low: ฿24.00 / High: ฿46.75 Low: ฿15.63 / High: ฿46.75 37.45 Million
19 PTT Global Chemical Public Company Limited
BK:PTTGC 		$6.46 Billion ฿207.41 Billion ฿46.00 -1.08% -8.91% Low: ฿19.10 / High: ฿54.25 Low: ฿14.70 / High: ฿84.30 754.75 Million
20 Bumrungrad Hospital PCL
BK:BH 		$5.03 Billion ฿161.38 Billion ฿203.00 +3.31% +3.31% Low: ฿136.50 / High: ฿213.00 Low: ฿84.02 / High: ฿278.00 75.05 Million
21 Charoen Pokphand Foods Public Company Limited
BK:CPF 		$4.72 Billion ฿151.47 Billion ฿19.70 +0.00% -1.99% Low: ฿18.60 / High: ฿24.00 Low: ฿12.99 / High: ฿30.91 590.85 Million
22 Bumrungrad Hospital Public Company Limited
BK:BH-R 		$4.61 Billion ฿147.86 Billion ฿186.00 +0.00% +0.00% Low: ฿186.00 / High: ฿186.00 Low: ฿131.50 / High: ฿212.00 3.05 Million
23 Thai Airways International Public Company Limited
BK:THAI 		$4.50 Billion ฿144.35 Billion ฿5.10 -0.97% -4.67% Low: ฿5.10 / High: ฿9.55 Low: ฿5.10 / High: ฿15.00 1.73 Billion
24 Indorama Ventures PCL
BK:IVL 		$4.46 Billion ฿143.17 Billion ฿25.50 +0.00% -5.56% Low: ฿14.80 / High: ฿30.00 Low: ฿14.59 / High: ฿51.31 433.00 Million
25 Thai Oil Public Company Limited
BK:TOP 		$4.33 Billion ฿139.06 Billion ฿62.25 +0.81% -9.12% Low: ฿33.75 / High: ฿77.75 Low: ฿21.50 / High: ฿83.44 611.91 Million
26 Global Power Synergy PCL
BK:GPSC 		$4.33 Billion ฿138.87 Billion ฿49.25 -1.01% -1.99% Low: ฿30.00 / High: ฿54.50 Low: ฿16.03 / High: ฿89.72 219.32 Million
27 Minor International Public Company Limited
BK:MINT 		$3.62 Billion ฿116.23 Billion ฿20.50 +0.00% +0.00% Low: ฿19.80 / High: ฿26.75 Low: ฿12.71 / High: ฿41.13 670.59 Million
28 TISCO Financial Group Public Company Limited
BK:TISCO 		$3.11 Billion ฿99.68 Billion ฿124.50 -0.40% -0.80% Low: ฿106.00 / High: ฿133.00 Low: ฿19.09 / High: ฿133.00 64.38 Million
29 Kiatnakin Phatra Bank Public Company Limited
BK:KKP 		$2.97 Billion ฿95.15 Billion ฿116.50 -2.10% +1.75% Low: ฿63.50 / High: ฿121.00 Low: ฿18.12 / High: ฿121.00 163.00 Million
30 Bangkok Expressway and Metro Public Company Limited
BK:BEM 		$2.89 Billion ฿92.86 Billion ฿6.20 -0.80% -2.36% Low: ฿5.10 / High: ฿7.35 Low: ฿4.40 / High: ฿11.21 1.17 Billion
31 Krungthai Card PCL
BK:KTC 		$2.79 Billion ฿89.60 Billion ฿34.75 -1.42% -1.42% Low: ฿24.80 / High: ฿40.50 Low: ฿6.49 / High: ฿77.64 251.62 Million
31 Krungthai Card Public Company Limited
BK:KTC-R 		$2.79 Billion ฿89.60 Billion ฿34.75 -1.42% -1.42% Low: ฿26.81 / High: ฿40.50 Low: ฿24.00 / High: ฿81.25 242.78 Million
32 Cal-Comp Electronics (Thailand) Public Company Limited
BK:CCET 		$2.59 Billion ฿83.08 Billion ฿7.95 -8.09% -15.43% Low: ฿4.42 / High: ฿10.40 Low: ฿0.73 / High: ฿10.70 2.17 Billion
33 Thanachart Capital Public Company Limited
BK:TCAP 		$2.57 Billion ฿82.32 Billion ฿78.50 -1.57% -0.32% Low: ฿50.50 / High: ฿89.25 Low: ฿17.23 / High: ฿89.25 69.86 Million
34 Home Product Center Public Company Limited
BK:HMPRO 		$2.55 Billion ฿81.72 Billion ฿6.30 -1.56% -0.79% Low: ฿5.80 / High: ฿7.50 Low: ฿4.87 / High: ฿16.07 822.46 Million
35 Ratch Group Public Company Limited
BK:RATCH 		$2.54 Billion ฿81.56 Billion ฿37.50 -1.96% -3.23% Low: ฿26.75 / High: ฿39.50 Low: ฿22.90 / High: ฿59.56 127.73 Million
36 KCE Electronics Public Company Limited
BK:KCE 		$2.53 Billion ฿81.27 Billion ฿68.75 -1.08% -3.85% Low: ฿16.50 / High: ฿79.75 Low: ฿11.14 / High: ฿87.23 587.94 Million
37 Berli Jucker PCL
BK:BJC 		$2.46 Billion ฿78.95 Billion ฿19.70 -1.50% +6.49% Low: ฿13.30 / High: ฿20.10 Low: ฿13.30 / High: ฿57.31 254.88 Million
38 Com7 PCL
BK:COM7 		$2.39 Billion ฿76.63 Billion ฿32.50 +0.00% -2.99% Low: ฿18.40 / High: ฿33.50 Low: ฿1.63 / High: ฿40.48 252.73 Million
39 WHA Corporation Public Company Limited
BK:WHA 		$2.25 Billion ฿72.34 Billion ฿4.84 -2.81% -0.82% Low: ฿3.10 / High: ฿5.45 Low: ฿1.74 / High: ฿6.03 2.94 Billion
39 WHA Corporation Public Company Limited
BK:WHA-R 		$2.25 Billion ฿72.34 Billion ฿4.84 -2.81% -0.82% Low: ฿4.04 / High: ฿5.45 Low: ฿2.38 / High: ฿5.85 2.71 Billion
40 Electricity Generating Public Company Limited
BK:EGCO 		$2.18 Billion ฿70.02 Billion ฿133.00 +1.53% +0.38% Low: ฿107.50 / High: ฿135.50 Low: ฿87.00 / High: ฿314.63 25.36 Million
41 Bangchak Corporation Public Company Limited
BK:BCP 		$2.13 Billion ฿68.39 Billion ฿46.75 +0.00% -7.43% Low: ฿25.00 / High: ฿60.75 Low: ฿10.91 / High: ฿60.75 506.01 Million
42 Central Plaza Hotel Public Company Limited
BK:CENTEL 		$1.87 Billion ฿60.08 Billion ฿44.50 +0.00% -1.11% Low: ฿29.75 / High: ฿47.50 Low: ฿12.65 / High: ฿56.95 69.28 Million
43 Thai President Foods Public Company Limited
BK:TFMAMA 		$1.87 Billion ฿60.01 Billion ฿182.00 -0.55% -0.82% Low: ฿182.00 / High: ฿195.00 Low: ฿135.82 / High: ฿239.31 183.93K
44 Com7 Public Company Limited
BK:COM7-R 		$1.85 Billion ฿59.46 Billion ฿25.25 +0.00% +0.00% Low: ฿25.25 / High: ฿25.25 Low: ฿17.10 / High: ฿32.75 11.11 Million
45 Carabao Group Public Company Limited
BK:CBG-R 		$1.85 Billion ฿59.25 Billion ฿59.25 +0.00% +0.00% Low: ฿59.25 / High: ฿59.25 Low: ฿47.00 / High: ฿149.00 8.21 Million
46 Star Petroleum Refining Co Ltd
BK:SPRC 		$1.84 Billion ฿58.97 Billion ฿13.60 +0.00% -8.72% Low: ฿4.86 / High: ฿16.20 Low: ฿3.53 / High: ฿16.20 1.02 Billion
47 Thaifoods Group Public Company Limited
BK:TFG-R 		$1.79 Billion ฿57.59 Billion ฿9.70 +2.11% +3.74% Low: ฿5.10 / High: ฿11.00 Low: ฿3.16 / High: ฿11.00 289.84 Million

How Thailand Companies Are Ranked by Market Cap

Thailand companies are ranked by market cap, the latest share price multiplied by shares outstanding, updated daily.

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