Thailand Largest and Top Companies List by Market Cap as on July-30-2023

Delta Electronics (Thailand) Public Company Limited manufacturing electronic components, i.e. cooling fan, electromagnetic interference filter (EMI) and solenoid. Their current power management products include power systems for information technology, automotive, telecommunications, industrial applications, office automation, medical industries, EV chargers, DC-DC converters and adapters. Delta Thailand has also been aggressively growing their solution businesses in EV chargers, industrial automation, data center infrastructure and energy management in the region.

Delta Electronics (Thailand) Public Company Limited is a subsidiary of Delta Electronics, Inc. Headquarters is in Thailand.
 

AIRPORTS OF THAILAND is Thailand based company with business in Managing International Airports in Thailand.

Oil and Gas company with headquarters in Thailand.

AIS is telecom company with headquarters in Thailand. They provide telecom services like mobile networking operation services, broadband internet services, digital services.

PTT EXPLORATION AND PRODUCTION PUBLIC COMPANY is a national petroleum exploration and production company. The company operates three business segments: Oil and gas exploration and production, overseas pipelines and investment in projects strategically connected to the energy business. It is a subsidiary of the state owned PTT public company limited. The headquarters is in Thailand.

Gulf Energy Development Public company is a Energy Producers company. It's portfolio of electricity, steam and chilled water generating projects and other related business. It operate and develop a total gross installed power capacity of 11,910 MW. The company sell electricity to the electricity generating authority of Thailand and industrial users in industrial estates through independent power producer and small power producers programs and sell electricity to the provincial electricity authority through very small power producers program. The headquarters is in Thailand.

CP All operates chain of convenience stores across Thailand. Headquarters is in Bangkok, Thailand.

The Company is the sole operator of 7-Eleven convenience stores.

As on 2021, CP ALL PUBLIC COMPANY has 970 retail stores.

BANGKOK DUSIT MEDICAL SERVICES PUBLIC COMPANY is engaged in private health care group. The hospital specializes in cardiovascular, lung, neurological, eye and genitourinary cancer, as well as physical therapy and medical imaging. The headquarters is in Thailand. 

Siam Cement Company is cement manufacturing company with headquarters in Thailand. Other business of this company include Chemicals Business, Packaging Business and Investments Business.

Thai Beverage is alcoholic beverages company with headquarters in Thailand.