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Thailand’s Largest Companies by market capitalization, 2024

As of February 19, 2025, DELTA ELECTRONICS (THAILAND) is the most valuable company in Thailand, with a market cap of $28.85 billion. Following it are PTT ($26.77 billion) and ADVANCED INFO SERVICE ($26.01 billion).

Which one is the most valuable in Thailand by market cap? This list comprises the biggest companies currently in Thailand by market cap in 2024:

Thailand’s Largest Companies by market capitalization, 2024

RANKCOMPANYMARKET CAPITAL (USD DOLLAR)
1DELTA ELECTRONICS (THAILAND)$28.85 billion
2PTT$26.77 billion
3ADVANCED INFO SERVICE$26.01 billion
4GULF ENERGY DEVELOPMENT$20.24 billion
5AIRPORTS OF THAILAND$18.49 billion
6PTT EXPLORATION AND PRODUCTION$15.06 billion
7CP ALL$13.83 billion
8TRUE CORPORATION$12.95 billion
9THE SIAM COMMERCIAL BANK$12.57 billion
10KASIKORNBANK$11.45 billion
11BANGKOK DUSIT MEDICAL SERVICES$11.06 billion
12KRUNG THAI BANK$9.9 billion
13INTOUCH HOLDINGS$9.47 billion
14BANGKOK BANK$8.86 billion
15CP AXTRGDS$8.53 billion
16CENTRAL PATTANA$6.98 billion
17CENTRAL RETAIL CORPORATION$6.46 billion
18TMBTHANACHART BANK$5.77 billion
19CHAROEN POKPHAND FOODS$5.49 billion
20THE SIAM CEMENT$5.3 billion
21BANK OF AYUDHYA$5.05 billion
22MINOR INTERNATIONAL$4.68 billion
23PTT OIL AND RETAIL BUSINESS$4.39 billion
24BUMRUNGRAD HOSPITAL$4.41 billion
25KRUNGTHAI CARD$3.95 billion
26INDORAMA VENTURES$3.76 billion
27THAI LIFE INSURANCE$3.85 billion
28GLOW ENERGY PUBLIC COMPANY LIMITED$3.72 billion
29HOME PRODUCT CENTER$3.38 billion
30MUANGTHAI CAPITAL$2.98 billion

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Frank Brown, D.Litt.
Frank Brown, D.Litt. in Public Affairs and Media Strategy, is Global Managing Editor at CEOWORLD Magazine, overseeing international editorial strategy across business, finance, leadership, and...

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