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). Thaifoods Group Public Company Limited leads as the top Thailand company by market cap, valued at $1.79 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

Thaifoods Group Public …

Top Thailand Companies by Market Capitalization (October 2026)

Top Thailand companies by market capitalization as of October 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
47 Thaifoods Group Public Company Limited
BK:TFG 		$1.79 Billion ฿57.59 Billion ฿9.70 +2.11% +3.74% Low: ฿4.38 / High: ฿11.30 Low: ฿0.95 / High: ฿11.30 297.95 Million
48 Thanachart Capital Public Company Limited
BK:TCAP-R 		$1.68 Billion ฿53.74 Billion ฿51.25 +0.00% +0.00% Low: ฿51.25 / High: ฿51.25 Low: ฿27.00 / High: ฿51.25 2.16 Million
49 IRPC Public Company Limited
BK:IRPC 		$1.65 Billion ฿53.07 Billion ฿2.60 -2.26% -6.47% Low: ฿0.96 / High: ฿3.20 Low: ฿0.71 / High: ฿7.32 3.15 Billion
50 Carabao Group Public Company Limited
BK:CBG 		$1.61 Billion ฿51.75 Billion ฿51.75 +0.49% +0.00% Low: ฿34.25 / High: ฿58.75 Low: ฿27.74 / High: ฿146.80 111.91 Million
51 Kiatnakin Phatra Bank Public Company Limited
BK:KKP-R 		$1.54 Billion ฿49.50 Billion ฿60.25 +0.00% +0.00% Low: ฿60.25 / High: ฿60.25 Low: ฿35.75 / High: ฿74.00 5.76 Million
52 B.Grimm Power Public Company Limited
BK:BGRIM 		$1.53 Billion ฿49.01 Billion ฿18.80 -1.57% -2.59% Low: ฿10.30 / High: ฿21.00 Low: ฿9.20 / High: ฿62.40 508.35 Million
53 Thai Union Group Public Company Limited
BK:TU-R 		$1.53 Billion ฿48.96 Billion ฿12.70 -2.31% +0.79% Low: ฿12.40 / High: ฿13.53 Low: ฿8.95 / High: ฿18.88 441.57 Million
53 Thai Union Group PCL
BK:TU 		$1.53 Billion ฿48.96 Billion ฿12.70 -2.31% +0.79% Low: ฿10.60 / High: ฿14.00 Low: ฿8.95 / High: ฿20.31 416.83 Million
54 Saha Pathana Inter-Holding PCL
BK:SPI 		$1.41 Billion ฿45.36 Billion ฿35.25 +0.71% +0.00% Low: ฿32.00 / High: ฿48.50 Low: ฿19.31 / High: ฿76.61 2.87 Million
55 Siam City Cement Public Company Limited
BK:SCCC 		$1.40 Billion ฿45.00 Billion ฿151.00 +0.00% +0.00% Low: ฿138.00 / High: ฿155.50 Low: ฿79.52 / High: ฿227.25 1.13 Million
56 Central Plaza Hotel Public Company Limited
BK:CENTEL-R 		$1.40 Billion ฿44.89 Billion ฿33.25 +0.00% +0.00% Low: ฿33.25 / High: ฿33.25 Low: ฿19.50 / High: ฿57.41 5.10 Million
57 Banpu Public Company Limited
BK:BANPU 		$1.35 Billion ฿43.28 Billion ฿14.20 -0.70% -1.39% Low: ฿4.28 / High: ฿15.30 Low: ฿2.92 / High: ฿15.30 330.38 Million
58 VGI Public Company Limited
BK:VGI-R 		$1.34 Billion ฿43.05 Billion ฿2.04 +0.00% +0.00% Low: ฿2.04 / High: ฿2.04 Low: ฿1.89 / High: ฿7.85 11.03 Million
59 Land and Houses Public Company Limited
BK:LH 		$1.31 Billion ฿42.06 Billion ฿3.52 -1.12% +0.00% Low: ฿3.44 / High: ฿4.48 Low: ฿3.28 / High: ฿8.86 644.22 Million
60 Regional Container Lines Public Company Limited
BK:RCL 		$1.30 Billion ฿41.64 Billion ฿50.25 +0.00% +6.91% Low: ฿25.00 / High: ฿50.25 Low: ฿1.15 / High: ฿50.25 120.03 Million
61 Hana Microelectronics Public Company Limited
BK:HANA 		$1.25 Billion ฿40.06 Billion ฿45.25 -5.24% -8.59% Low: ฿15.10 / High: ฿53.50 Low: ฿14.90 / High: ฿89.38 616.71 Million
62 Gunkul Engineering Public Company Limited
BK:GUNKUL 		$1.24 Billion ฿39.91 Billion ฿4.64 -4.53% -6.83% Low: ฿1.77 / High: ฿5.45 Low: ฿1.35 / High: ฿6.46 1.70 Billion
63 TTW Public Company Limited
BK:TTW 		$1.24 Billion ฿39.90 Billion ฿10.00 -0.99% +0.00% Low: ฿8.95 / High: ฿10.60 Low: ฿6.22 / High: ฿10.95 65.50 Million
64 Siam Global House Public Company Limited
BK:GLOBAL 		$1.20 Billion ฿38.62 Billion ฿7.15 -0.69% +6.72% Low: ฿5.40 / High: ฿8.30 Low: ฿4.32 / High: ฿20.90 474.29 Million
65 Bangkok Life Assurance Public Company Limited
BK:BLA 		$1.20 Billion ฿38.59 Billion ฿22.60 -0.44% +0.44% Low: ฿17.70 / High: ฿27.50 Low: ฿9.79 / High: ฿46.59 37.04 Million
66 Plan B Media PCL
BK:PLANB 		$1.19 Billion ฿38.18 Billion ฿8.30 -0.60% -6.74% Low: ฿3.10 / High: ฿9.05 Low: ฿2.37 / High: ฿9.61 982.74 Million
67 WHA Premium Growth Freehold And Leasehold Real Estate Investment Trust
BK:WHART 		$1.17 Billion ฿37.46 Billion ฿10.80 -0.92% +0.93% Low: ฿9.70 / High: ฿11.50 Low: ฿5.27 / High: ฿17.12 55.00 Million
68 Bangkok Airways Public Company Limited
BK:BA 		$1.15 Billion ฿36.92 Billion ฿17.60 -2.76% -6.38% Low: ฿12.80 / High: ฿19.80 Low: ฿3.28 / High: ฿25.75 153.30 Million
69 TTW Public Company Limited
BK:TTW-R 		$1.15 Billion ฿36.91 Billion ฿9.25 +0.00% +0.00% Low: ฿9.25 / High: ฿9.25 Low: ฿8.25 / High: ฿13.50 5.38 Million
70 Srisawad Power 1979 PCL
BK:SAWAD 		$1.14 Billion ฿36.72 Billion ฿22.10 -1.78% -3.49% Low: ฿19.90 / High: ฿30.50 Low: ฿14.90 / High: ฿73.15 221.76 Million
71 Banpu Power Public Company Limited
BK:BPP 		$1.14 Billion ฿36.57 Billion ฿12.00 +0.84% +4.35% Low: ฿10.40 / High: ฿13.00 Low: ฿6.35 / High: ฿24.06 7.27 Million
72 Sri Trang Agro-Industry Public Company Limited
BK:STA 		$1.04 Billion ฿33.33 Billion ฿21.70 -3.12% -8.05% Low: ฿11.20 / High: ฿23.70 Low: ฿6.28 / High: ฿41.06 304.01 Million
73 Bangkok Chain Hospital Public Company Limited
BK:BCH-R 		$1.03 Billion ฿33.17 Billion ฿13.30 +0.00% +0.00% Low: ฿13.30 / High: ฿13.30 Low: ฿12.30 / High: ฿21.90 6.16 Million
74 Supalai Public Company Limited
BK:SPALI-R 		$1.02 Billion ฿32.86 Billion ฿17.40 +0.00% +0.00% Low: ฿17.40 / High: ฿17.40 Low: ฿13.50 / High: ฿24.98 10.42 Million
75 Supalai Public Company Limited
BK:SPALI 		$930.67 Million ฿29.86 Billion ฿15.70 -1.26% -1.26% Low: ฿14.90 / High: ฿18.80 Low: ฿9.66 / High: ฿21.87 78.11 Million
76 TOA PAINT (THAILAND)
BK:TOA-R 		$924.49 Million ฿29.66 Billion ฿15.30 +0.00% +0.00% Low: ฿15.30 / High: ฿15.30 Low: ฿9.45 / High: ฿43.12 2.87 Million
77 BTS Group Holdings Public Company Limited
BK:BTS 		$923.00 Million ฿29.61 Billion ฿1.84 -2.65% -3.66% Low: ฿1.83 / High: ฿2.92 Low: ฿1.83 / High: ฿12.26 886.80 Million
78 POSCO-Thainox Public Company Limited
BK:INOX 		$913.63 Million ฿29.31 Billion ฿3.76 -0.53% -2.59% Low: ฿0.35 / High: ฿4.48 Low: ฿0.33 / High: ฿4.48 461.81K
79 Amata Corporation Public Company Limited
BK:AMATA 		$905.07 Million ฿29.04 Billion ฿25.25 -3.81% -15.83% Low: ฿14.10 / High: ฿34.25 Low: ฿8.01 / High: ฿34.25 275.49 Million
80 Mega Lifesciences Public Company Limited
BK:MEGA 		$896.79 Million ฿28.77 Billion ฿33.00 +0.76% -1.49% Low: ฿29.00 / High: ฿39.75 Low: ฿13.30 / High: ฿52.90 23.56 Million
81 CH. Karnchang PCL
BK:CK 		$895.62 Million ฿28.73 Billion ฿17.10 -1.16% -0.58% Low: ฿11.20 / High: ฿20.20 Low: ฿10.60 / High: ฿29.94 175.04 Million
82 TOA Paint (Thailand) Public Company Limited
BK:TOA 		$876.15 Million ฿28.11 Billion ฿14.50 -1.36% -2.03% Low: ฿11.70 / High: ฿16.60 Low: ฿9.45 / High: ฿42.70 43.88 Million
83 CH. Karnchang Public Company Limited
BK:CK-R 		$874.67 Million ฿28.06 Billion ฿16.70 +0.00% +0.00% Low: ฿16.70 / High: ฿16.70 Low: ฿10.60 / High: ฿24.30 5.05 Million
84 Mega Lifesciences Public Company Limited
BK:MEGA-R 		$869.61 Million ฿27.90 Billion ฿32.00 +0.00% +0.00% Low: ฿32.00 / High: ฿32.00 Low: ฿24.50 / High: ฿52.19 1.01 Million
85 MBK Public Company Limited
BK:MBK 		$845.10 Million ฿27.11 Billion ฿19.40 -2.02% -1.52% Low: ฿16.40 / High: ฿24.20 Low: ฿9.57 / High: ฿24.20 58.75 Million
86 Bangkok Chain Hospital Public Company Limited
BK:BCH 		$839.46 Million ฿26.93 Billion ฿10.80 -0.92% +0.93% Low: ฿9.15 / High: ฿11.70 Low: ฿5.40 / High: ฿23.16 296.49 Million
87 Tipco Asphalt Public Company Limited
BK:TASCO 		$826.50 Million ฿26.52 Billion ฿16.80 -0.59% -3.45% Low: ฿12.50 / High: ฿17.80 Low: ฿9.04 / High: ฿26.69 173.06 Million
88 BANPU POWER
BK:BPP-R 		$821.71 Million ฿26.36 Billion ฿8.65 +0.00% +0.00% Low: ฿8.65 / High: ฿8.65 Low: ฿6.35 / High: ฿15.27 2.56 Million
89 IRPC Public Company Limited
BK:IRPC-R 		$814.31 Million ฿26.13 Billion ฿1.28 +0.00% +0.00% Low: ฿1.28 / High: ฿1.28 Low: ฿0.71 / High: ฿2.34 64.52 Million
90 WHA Utilities and Power Public Company Limited
BK:WHAUP 		$810.71 Million ฿26.01 Billion ฿6.80 -0.73% +0.74% Low: ฿4.04 / High: ฿8.25 Low: ฿2.67 / High: ฿8.25 241.98 Million
91 Sansiri Public Company Limited
BK:SIRI-R 		$804.36 Million ฿25.81 Billion ฿1.48 +0.00% +0.00% Low: ฿1.48 / High: ฿1.48 Low: ฿0.57 / High: ฿2.01 114.69 Million
92 Thai Vegetable Oil Public Company Limited
BK:TVO 		$776.27 Million ฿24.91 Billion ฿28.00 +0.00% -3.45% Low: ฿21.00 / High: ฿29.50 Low: ฿12.99 / High: ฿29.50 33.45 Million
93 MBK Public Company Limited
BK:MBK-R 		$775.40 Million ฿24.88 Billion ฿17.80 +0.00% +0.00% Low: ฿17.80 / High: ฿17.80 Low: ฿10.90 / High: ฿25.53 685.50K
94 Siri Prime Office Property Fd
BK:SIRI 		$760.88 Million ฿24.41 Billion ฿1.40 -0.71% -2.78% Low: ฿1.30 / High: ฿1.58 Low: ฿0.38 / High: ฿1.93 818.59 Million
95 AP (Thailand) Public Company Limited
BK:AP 		$759.93 Million ฿24.38 Billion ฿7.75 -0.64% -1.90% Low: ฿6.95 / High: ฿9.55 Low: ฿2.55 / High: ฿11.87 152.90 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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