Investing in Thai equities offers exposure to a dynamic economy with diverse sectors. Here are several prominent Thai companies across various industries that you might consider:

Airports of Thailand (AOT)
AOT manages six major airports in Thailand, accounting for over 80% of the country's air traffic. In FY2023, passenger numbers more than doubled to 100.06 million, leading to a net profit of 8.79 billion baht. The company plans to invest 100 billion baht over the next five years to expand its airports, anticipating passenger numbers to reach 200 million annually by 2027. (syfe.com)

PTT Exploration and Production (PTTEP)
As a leading producer of natural gas and crude oil in Southeast Asia, PTTEP reported a net profit of US$1.18 billion in the first half of 2023, up from US$919 million in the same period in 2022. The company has diversified its operations with new oil and gas discoveries offshore Sarawak, Malaysia, and is focusing on sustainable practices with a goal to achieve net-zero greenhouse gas emissions by 2050. (drwealth.com)

CP All Public Company Limited (CPALL)
Operating over 15,000 7-Eleven stores in Thailand, CPALL is the country's largest convenience store chain. In Q3 2023, the company reported a consolidated net profit of 4.4 billion baht, a 20% year-on-year increase. CPALL is also expanding internationally, having opened its first store in Laos and exploring opportunities in other neighboring countries. (syfe.com)

Bangkok Dusit Medical Services (BDMS)
BDMS is a leading private hospital operator in Thailand, benefiting from the country's aging population and increasing medical tourism. The company is expected to gain from wellness tourism and has been identified as a strong, undervalued stock with long-term growth potential. (bangkokpost.com)

Advanced Info Service (AIS)
AIS is Thailand's largest mobile operator, with over 48.8 million customers as of Q1 2025. The company has consistently paid dividends over the past decade and has strategic partnerships, notably with Singtel, which holds a 23.3% stake. (syfe.com)

Before making investment decisions, it's crucial to conduct thorough research and consider consulting with a financial advisor to ensure these investments align with your financial goals and risk tolerance.