This selection of large manufacturing companies in Thailand includes major players in the chemical, food and beverage, and oil and gas sectors. Notable firms include SCG, a conglomerate in cement-building materials, chemicals, and packaging, and CPF Group, an integrated agro-industrial and food business. Indorama Ventures specializes in innovative chemistry solutions, while Thai Union Group PCL. is a global seafood company.
The companies are predominantly large enterprises, with several founded in the late 20th century, such as QatarEnergy LNG (1984) and Thai Union Group PCL. (1977). A significant number of these manufacturers, including GC, Thai Union Group PCL., Thai Beverage PLC, and Osotspa Public Company Limited, have their headquarters located in Bangkok.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
QatarEnergy LNGqatarenergylng.qa
A leading LNG producer in Qatar with a capacity of 77 MTPA, delivering clean and reliable energy worldwide while contributing to the local economy and community |
8,678 | |||
| 2 | 7,491 | ||||
| 3 |
CPF Groupcpfworldwide.com
Integrated agro-industrial and food business including feed production, farming livestock and seafood, food processing, and retail operations across multiple countries. |
6,135 | |||
| 4 |
Indorama Venturesindoramaventures.com
Manufacturing company emphasizing strong relationships with customers and industries, focusing on innovative chemistry solutions for a better world. |
3,303 | |||
| 5 |
Hoya Vision Carehoyavision.com
Global provider of innovative lenses and vision care solutions supporting eye care professionals and improving vision for millions worldwide. |
2,920 | |||
| 6 |
GCpttgcgroup.com
A global chemical company focused on innovative solutions, sustainability, and environmental responsibility, aiming to reduce greenhouse gas emissions and achieve Net Zero by 2050 |
2,126 | |||
| 7 |
Thai Union Group PCL.thaiunion.com
Global seafood company focused on sustainable growth, innovation, health, and nutrition, delivering nutritious products while protecting ocean ecosystems. |
2,122 | |||
| 8 |
Thai Beverage PLCthaibev.com
Consolidates spirits, beer, non-alcoholic beverages, and food businesses. Aims for sustainable growth, competitive reach, digital adoption, new capabilities, and market leadership. |
2,079 | |||
| 9 |
Betagro Groupbetagro.com
Production, sales animal feed, pharmaceuticals, livestock, poultry, eggs, processed food, pet food, farm equipment, research, development |
1,438 | |||
| 10 |
Charoen Pokphand Group Co.,Ltd.cpgroupglobal.com
Holding company with subsidiaries in agro-industry, food, retail, distribution, media, and telecommunications across 21 countries worldwide. |
1,243 | |||
| 11 |
Double A (1991) Public Company Limiteddoubleapaper.com
Manufacture premium quality copy and office paper using sustainable fiber from unique Asian farming practices, serving customers in over 130 countries. |
1,003 | |||
| 12 |
Delta Electronics Southeast Asia & Oceaniadeltathailand.com
A producer of power and thermal management solutions with a focus on energy efficiency and sustainability, operating in Southeast Asia and Oceania |
905 | |||
| 13 |
Thaioil Groupthaioilgroup.com
Large integrated refining and petrochemical operation in Thailand focusing on high performance, sustainable growth, innovation, and corporate social responsibility for long-term success. |
807 | |||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 14 |
Osotspa Public Company Limitedosotspa.com
Develops, produces, and distributes specialty drinks that refresh mind and body for consumers in Thailand and international markets. |
806 | |||
| 15 |
Jaspal Groupjaspalgroup.com
operates fashion and lifestyle retail business, manufactures and distributes mattresses, bedding, home furnishings, furniture, with diverse brand portfolio |
792 | |||
| 16 |
Mitr Phol Groupmitrphol.com
Leading sugarcane producer with diversified portfolio including sugar, renewable energy, wood substitutes, bio-based products, operating across Asia-Pacific with social responsibility. |
743 | |||
| 17 |
TOA Paint (Thailand) PCLtoagroup.com
The company is the largest decorative paint manufacturer in South East Asia, offering a variety of premium paint products for household and industrial markets |
642 | |||
| 18 |
Suntory PepsiCo Beverage (Thailand)suntorypepsico.co.th
Global beverage joint venture in Thailand formed by Suntory and PepsiCo focused on becoming leaders in the carbonated soft drinks market and expanding beverage portfolio |
594 | |||
| 19 |
CUEL Limitedcuel.co.th
Marginal field contracting specialist providing turnkey project management, engineering design, procurement, fabrication, installation, and commissioning for offshore facilities within the Asia Pacific region. |
588 | |||
| 20 |
Pruksa Holding Public Company Limitedpsh.co.th
Providing integrated living and health solutions focused on enriching healthy lifestyles, joyful living, and sustainable community development. |
526 | |||
| 21 |
Dextra Groupdextragroup.com
Manufacture and distribution of engineered construction products ensuring efficiency, integrity, and safety for building and civil industry projects worldwide. |
481 | |||
| 22 |
Mercedes-Benz (Thailand) Ltd.mercedes-benz.com
importation, assembly, distribution of passenger cars and commercial vehicles, along with comprehensive maintenance and after-sales services for clientele. |
322 | |||
| 23 |
Gunkul Engineering Public Company Limitedgunkul.com
Manufactures electrical equipment, provides turnkey power system construction, and develops utility-scale renewable energy projects across Asia to drive sustainable and innovative energy solutions. |
313 | |||
| 24 |
AMW-EMSamw-ems.com
An Electronic Manufacturing Services supplier in Thailand specializing in magnetic components, PCBA, and full product integration, aiming to support energy management and innovation |
71 | |||
| 25 |
SeriTechseritech.co
Innovative skincare company upcycles silk waste to create effective products with therapeutic properties, leveraging silk proteins for rejuvenating cosmetic items |
9 | |||
| 26 |
CoffeeWORKS Phuketcoffeeworks.co.th
Commercial specialty coffee roasting, espresso machine import, and distribution for hospitality and food and beverage brands throughout Thailand. |
1 | |||
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How this list is built
Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 12, 2026.
More company lists in Thailand
- The largest companies in Thailand 158
- Multinational companies in Thailand 59
- Publicly traded companies in Thailand 48
- Critical infrastructure operators in Thailand 34
- Retail chains in Thailand 34
- Corporate groups and holding companies in Thailand 32
The same list elsewhere
- Manufacturers in the world 39,579
- Manufacturers in Asia 6,095