You could believe that companies spend a lot of money advertising their products to make them big. However, these trillion-dollar companies have products and services that might have been unheard of by many but their annual revenue is guns-blazing.

So which are these companies? Here’s the entire list.

YKK

Where do you think zippers come from? This Japanese company controls most of the market in the world supplying zips and zippers. It is the world’s largest manufacturer of zippers having spread its wings across 71 countries.

SGS

SGS is a certification company based out of Switzerland. It helps companies inspect the quality of products, check the weight and quality of imports and exports, and helps ensure that all the requirements are met.

Verisign

You must have come across Verisign, a global domain service provider. It holds registration services for the top domains including .com and .net which are frequently used by e-commerce websites.

Vitol

Vitol is way ahead in the game, beating the likes of Samsung and Apple in terms of revenue generation. It is the ninth-largest company in the world with storage spaces in oil and petroleum, dominating the market.

BAE Systems PLC

This multinational defense and space security company churned around 18 billion dollars in revenue back in 2015. It deals in the US, UK, Indian and Australian markets.

Givaudan

Givaudan is a reputed company manufacturing fragrances and flavors. They are prevalent in the food and perfumery industry supplying fragrances of artificial flowers and tastes of fruits. It generates around $90 million annually.

American Tower

As the name suggests, this American company is the largest owner and operator of wireless and broadcast infrastructure globally. Currently, it has more than 170,000 towers in the world generating a revenue of $1900 million annually.

Baxter

This healthcare company was found in 1931 in America. They supply all kinds of medical drugs including recombinant and blood plasma proteins.

Praxair Inc

Praxair provides industrial gases to many companies around the world. They help clear the different elements of air including nitrogen, oxygen, and carbon dioxide which makes them earn a lot of money annually.

Ingram Micro

This is actually a reputed company helping others with a 360-degree approach to technology and supply chain services in the world. It has a net worth of $30 billion. It has vendors like IBM, Microsoft, and even Intel.