Learn › General Knowledge › Big business

The largest companies in the world by revenue

The ten largest companies by revenue in the Fortune Global 500 of July 2026 include four in retail and technology, three in US health care and three owned by the Chinese or Saudi state. Amazon is the biggest.

How many10 companies
As of9 October 2026
Memory hook

2-2-3-3: two retailers (Amazon, Walmart), two tech groups (Apple, Alphabet), three US health firms (UnitedHealth, McKesson, CVS Health) and three state-owned giants (State Grid, Saudi Aramco, China National Petroleum).

The full list

Retail 2

The two largest retailers: a store chain and an online marketplace, each with revenue above $700bn.

Technology 2

Two US technology groups selling devices, software, advertising and cloud services.

Health and insurance 3

Health insurance, pharmacy and drug distribution: the three US health companies with revenue above $400bn.

State-owned 3

Owned or controlled by the Chinese or Saudi government: a power grid, an oil producer and an oil and gas group.

Can you name them all?

Test yourself

Not on the list

Questions

What are the largest companies in the world by revenue?

The ten largest companies by revenue in the Fortune Global 500 of July 2026 include four in retail and technology, three in US health care and three owned by the Chinese or Saudi state. Amazon is the biggest.

Which companies are on the list?

Amazon, Walmart, Apple, Alphabet, UnitedHealth Group, McKesson, CVS Health, State Grid, Saudi Aramco and China National Petroleum.

What is an easy way to remember them?

2-2-3-3: two retailers (Amazon, Walmart), two tech groups (Apple, Alphabet), three US health firms (UnitedHealth, McKesson, CVS Health) and three state-owned giants (State Grid, Saudi Aramco, China National Petroleum).

What is the biggest company in the world by revenue?

Amazon, which overtook Walmart in the 2026 Fortune Global 500 after Walmart had been top for 12 years.

More lists

The richest people in the worldTrillion-dollar companiesDow Jones 30 companiesThe Big Four accounting firmsBig Tech companiesUK Prime Ministers since 1945All lists

Each name checked against at least two sources, one of them Fortune - Global 500 2026 (ranking by revenue, on 9 October 2026. Next review by 9 December 2026.
Games · Learn · Atlas · Feedback · Privacy · Contact