Passage: Switzerland is home to several large multinational corporations. The largest Swiss companies by revenue are Glencore, Gunvor, Nestlé, Novartis, Hoffmann-La Roche, ABB, Mercuria Energy Group and Adecco. Also, notable are UBS AG, Zurich Financial Services, Credit Suisse, Barry Callebaut, Swiss Re, Tetra Pak, The Swatch Group and Swiss International Air Lines. Switzerland is ranked as having one of the most powerful economies in the world.Switzerland's most important economic sector is manufacturing. Manufacturing consists largely of the production of specialist chemicals, health and pharmaceutical goods, scientific and precision measuring instruments and musical instruments. The largest exported goods are chemicals (34% of exported goods), machines/electronics (20.9%), and precision instruments/watches (16.9%). Exported services amount to a third of exports. The service sector – especially banking and insurance, tourism, and international organisations – is another important industry for Switzerland.

Question: What is the name of a company in Switzerland that generates a large revenue?
Glencore