Trafigura Group (Singapore)
Singapore-based Trafigura Group is the biggest company in Southeast Asia this year with a revenue of $243.2 billion, down 0.4% from last year, according Fortune Southeast Asia 500, a list of 500 biggest companies in the region compiled by American business magazine Fortune.
The company holds $76.4 billion in assets with over 13,000 employees.
![]() |
In this photo illustration, a Trafigura Group Pte. Ltd. logo is seen on a smartphone and on a pc screen. Photo by Reuters |
Founded over 30 years ago, the company deploys infrastructure, market expertise and worldwide logistics network to move oil, metals, minerals, gas and power from production facilities to consumers.
The company invests in renewable energy projects and technologies to facilitate the transition to a low-carbon economy, with operations in 150 countries.
PTT (Thailand)
PTT ranks second in the region as Thailand’s largest energy conglomerate, operating across oil and gas exploration, petrochemical manufacturing, refining, retail, and clean energy initiatives.
![]() |
The logo of PTT is pictured at the 38th Bangkok International Motor Show in Bangkok, Thailand March 28, 2017. Photo by Reuters |
Its revenue dropped 3.1% to $87.6 billion last year. The firm has over $100 billion in assets with over 30,200 employees.
Its main businesses span upstream oil and gas refining (with a 48% domestic market share), natural gas, petrochemicals, extensive retail networks and thousands of fuel stations.
It also operates over 4,700 Café Amazon outlets in 12 markets, most of them in Thailand. This is the 6th largest coffee chain in the world in number of outlets.
Pertamia (Indonesia)
In the third place is Pertamina, Indonesia’s state-owned energy company, operating across the entire energy value chain including upstream oil and gas exploration, refining, petrochemicals, geothermal energy, and renewable energy.
![]() |
Pertamina headquarters in Jakarta. Photo by Wikipedia/NaidNdeso |
Its revenue dropped 0.6% to $75.3 billion last year. The company holds $90 billion in assets with a payroll of nearly 44,000.
Pertamina is the dominant energy supplier in Indonesia, holding 85% of the local unsubsidized gasoline market share, according to Reuters. The company operates nearly 13,700 fuel stations nationwide, far surpassing competitors like ExxonMobil and Shell Indonesia.
It conducts its gas exploration and production through Pertamina Hulu Energi, refining and petrochemical processing through Kilang Pertamina Internasional, and renewable energy development through Pertamina NRE.
The company has interests in gas exploration and production in Southeast Asia, Africa, and the Middle East. Its logistics subsidiary PT Pertamina International Shipping is planning to go public through an Initial Public Offering on the Indonesia Stock Exchange by late 2025 or early 2026.
Wilmar International (Singapore)
Wilmar International is Asia’s leading agribusiness group with a diverse integrated model encompassing oil palm cultivation, flour and rice milling, sugar milling, and the manufacturing of consumer food products.
![]() |
Wilmar International’s headquarters in Singapore. Photo courtesy of the company |
It ranks fourth in the region with a revenue of $67.4 billion last year, up 0.3%. The group manages $59.6 billion in assets with a staff count of 100,000 – largest in the top five.
Wilmar operates over 1,000 manufacturing plants and an extensive distribution network across more than 50 countries, mainly in China, India, Indonesia, and other Asian and African markets, according to its website.
Olam Group (Singapore)
Ranking at the fifth place is Olam Group, another food producer based in Singapore, which operates across the value chain from farming to consumer products.
![]() |
The logo of Olam Group. Photo by Reuters |
Its revenue surged 16.9% last year to $42 billion. The firm manages $33.1 billion in assets with a payroll of almost 66,000.
The company produces food ingredients, agricultural commodities, and operates diversified global operations including palm and rubber plantations, ports and logistics, and sustainability ventures.
It has over 120 manufacturing facilities in 50 countries, serving 11,000 customers worldwide, with the main markets being Asia, Africa, and the Americas.