When you think of Japan’s biggest companies, names like Toyota, Sony, or Nintendo might come to mind. But behind the scenes, there’s a powerful group of companies that quietly drive much of Japan’s global business: the Five Major Trading Companies, or sōgō shōsha.

These firms are not just traders. They invest, manage infrastructure, build supply chains, and develop new industries across the globe. In many ways, they are Japan’s most versatile and globally connected businesses.

Let’s take a closer look at each of them.

1. Mitsubishi Corporation

The Classic Powerhouse

Mitsubishi Corporation is the largest and arguably the most well-known of the five. As part of the broader Mitsubishi Group, it operates across almost every major industry.

Main areas:

  • Energy and natural resources
  • Metals and mining
  • Machinery and transportation
  • Food, retail, and infrastructure

What makes it stand out:
Mitsubishi is known for its stability, global reach, and leadership in large-scale projects. It’s often seen as the “default” trading company for major infrastructure and energy ventures.

2. Mitsui & Co.

The Forward-Thinking Innovator

Mitsui is bold and future-oriented. While it has strong foundations in energy and chemicals, it’s also known for expanding into cutting-edge sectors like digital health, biotech, and agritech.

Main areas:

  • Energy (especially LNG)
  • Healthcare and life sciences
  • Food production and logistics
  • Technology investments

What makes it stand out:
Mitsui is proactive in responding to global trends. It invests in startups, adapts quickly, and constantly seeks new growth opportunities.

3. Itochu Corporation

The Consumer-Focused Specialist

Itochu stands out by being closest to consumers. Originally a textile trader, it now thrives in food, retail, and daily lifestyle businesses.

Main areas:

  • Food and agriculture
  • Textiles and fashion
  • Convenience stores (FamilyMart)
  • ICT and real estate

What makes it stand out:
Itochu is known for its high profitability and quick decision-making. While others focus on large industrial projects, Itochu focuses on what people use every day.

4. Sumitomo Corporation

The Stable and Reliable Builder

Sumitomo Corporation is part of the historic Sumitomo Group, which dates back to the 17th century. It emphasizes trust, long-term thinking, and sustainable growth.

Main areas:

  • Infrastructure development
  • Steel and non-ferrous metals
  • Telecommunications and media
  • Construction and urban development

What makes it stand out:
Sumitomo avoids flashiness in favor of steady progress. It is often involved in long-term infrastructure and community development projects, both in Japan and abroad.

5. Marubeni Corporation

The Comeback Strategist

Marubeni has experienced both success and setbacks. After financial difficulties in the early 2000s, it rebuilt itself with a focus on strategic and niche sectors.

Main areas:

  • Renewable energy
  • Agriculture and food trading
  • Chemicals and forest products
  • Power generation

What makes it stand out:
Marubeni is known for its ability to recover and adapt. It often targets areas overlooked by larger players, carving out its own unique position.

Summary: Five Giants, Five Personalities

CompanyCharacter StyleKey Strengths
MitsubishiStable and comprehensiveEnergy, metals, infrastructure
MitsuiInnovative and globalHealthcare, food, tech investments
ItochuFast and consumer-drivenRetail, food, textiles
SumitomoTrustworthy and long-termInfrastructure, telecom, metals
MarubeniStrategic and resilientRenewables, agriculture, power

Why These Companies Matter

The five major trading companies are often behind the scenes of global business. They don’t just trade goods—they build economies, launch new technologies, and connect regions.

Whether you’re an investor, entrepreneur, or simply curious about Japan’s global influence, understanding these companies gives you a clearer view of how Japan engages with the world economy.

Next time you see a Japanese brand or infrastructure project overseas, there’s a good chance one of these five companies is involved.