1. Maersk
   Maersk is the world's largest shipping line, operating a fleet of over 700 vessels and transporting over 12 million containers annually. Based in Denmark, the company operates on all major trade routes, transporting goods such as electronics, consumer goods, and raw materials.
    
2. MSC
   Mediterranean Shipping Company (MSC) is the world's second-largest shipping line, with a fleet of over 500 vessels and transporting over 21 million containers annually. Based in Switzerland, the company operates on all major trade routes, transporting goods such as automobiles, consumer goods, and raw materials.
    
3. CMA CGM
   CMA CGM is the world's third-largest shipping line, with a fleet of over 500 vessels and transporting over 22 million containers annually. Based in France, the company operates on all major trade routes, transporting goods such as electronics, consumer goods, and raw materials.
    
4. COSCO
   China Ocean Shipping (COSCO) is the world's fourth-largest shipping line, with a fleet of over 400 vessels and transporting over 10 million containers annually. Based in China, the company operates on all major trade routes, transporting goods such as raw materials, consumer goods, and industrial equipment.
    
5. Hapag-Lloyd
   Hapag-Lloyd is the world's fifth-largest shipping line, with a fleet of over 230 vessels and transporting over 12 million containers annually. Based in Germany, the company operates on all major trade routes, transporting goods such as automobiles, consumer goods, and raw materials.
    
6. ONE
   Ocean Network Express (ONE) is the world's sixth-largest shipping line, with a fleet of over 200 vessels and transporting over 5 million containers annually. Based in Japan, the company operates on all major trade routes, transporting goods such as electronics, consumer goods, and raw materials.
    
7. Evergreen
   Evergreen is the world's seventh-largest shipping line, with a fleet of over 200 vessels and transporting over 3 million containers annually. Based in Taiwan, the company operates on all major trade routes, transporting goods such as electronics, consumer goods, and raw materials.
    
8. Yang Ming
   Yang Ming is the world's eighth-largest shipping line, with a fleet of over 100 vessels and transporting over 4 million containers annually. Based in Taiwan, the company operates on all major trade routes, transporting goods such as raw materials, consumer goods, and industrial equipment.
    
9. PIL
   Pacific International Lines (PIL) is the world's ninth-largest shipping line, with a fleet of over 150 vessels and transporting over 2 million containers annually. Based in Singapore, the company operates on all major trade routes, transporting goods such as electronics, consumer goods, and raw materials.
    
10. ZIM
    ZIM is the world's tenth-largest shipping line, with a fleet of over 90 vessels and transporting over 800,000 containers annually. Based in Israel, the company operates on all major trade routes, transporting goods such as electronics, consumer goods, and raw materials.
     

In conclusion, these top 10 shipping lines in the world play a crucial role in international trade, transporting goods across the seas and contributing significantly to the global economy. Businesses should understand the different shipping lines and their services to make informed decisions about shipping their goods across borders.