These companies generate hundreds of billions of dollars in revenue each year. Most are involved in energy, retail, or automotive industries, which typically rely on high volume and global operations.
1. Walmart (USA)
- Annual Revenue: ~$648 billion (2024)
- Industry: Retail (Supermarkets and Hypermarkets)
- Headquarters: Bentonville, Arkansas
- Employees: 2.1 million+
- Why So Big?
Walmart has an enormous footprint across the U.S. and many international markets. It thrives on low margins, high volume, and has leveraged e-commerce and logistics efficiency to stay ahead.
2. Saudi Aramco (Saudi Arabia)
- Annual Revenue: ~$604 billion
- Industry: Oil and Gas
- Headquarters: Dhahran, Saudi Arabia
- Employees: ~70,000
- Why So Big?
As the world’s largest oil producer, Aramco benefits from global oil demand and state ownership, with access to some of the lowest production costs globally.
3. Amazon (USA)
- Annual Revenue: ~$575 billion
- Industry: E-commerce, Cloud Computing
- Headquarters: Seattle, Washington
- Employees: 1.5 million+
- Why So Big?
Amazon earns from product sales, Prime memberships, AWS (Amazon Web Services), and its vast marketplace. AWS alone generates over $90 billion a year.
4. State Grid Corporation of China
- Annual Revenue: ~$530 billion
- Industry: Utilities (Electricity)
- Headquarters: Beijing, China
- Why So Big?
As China’s state-owned electric utility company, it covers over a billion customers, making it the largest utility company on Earth.
5. Apple Inc. (USA)
- Annual Revenue: ~$400 billion
- Industry: Consumer Electronics, Software
- Headquarters: Cupertino, California
- Why So Big?
Apple thrives on premium pricing, product ecosystem (iPhone, iPad, Mac, Watch), and services like iCloud, Apple Music, and App Store.
Other Notable Giants:
| Rank | Company | Revenue (approx.) | Sector |
| 6 | CVS Health | $363B | Healthcare / Retail |
| 7 | UnitedHealth Group | $357B | Healthcare / Insurance |
| 8 | Toyota Motor | $337B | Automotive |
| 9 | Volkswagen Group | $335B | Automotive |
| 10 | ExxonMobil | $330B | Oil and Gas |
Why Annual Revenue Matters (and Why It Doesn’t Always)
What It Shows:
- Company scale and operations
- Market demand for products or services
- Size of customer base and global reach
What It Doesn’t Show:
- Profitability: High revenue can come with razor-thin profit margins (e.g., Amazon Retail).
- Debt and expenses: A company may be highly leveraged or inefficient.
- Valuation: Revenue doesn’t reflect stock price or investor confidence.
Industries Dominating Revenue Rankings
- Oil & Gas – Fueled by global demand and commodity pricing
- Retail & E-commerce – Massive volume and logistics
- Automotive – Large-scale production, especially in Asia and Europe
- Healthcare – Especially in the U.S. with rising costs and insurance dominance
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