Salesforce is one of the leading customer relationship management (CRM) platforms globally, and numerous companies from various industries use it to manage their customer data, sales processes, marketing campaigns, and more. Here are some well-known companies that have used Salesforce:

1. Amazon
2. T-Mobile
3. Adidas
4. Coca-Cola
5. Toyota
6. American Express
7. Siemens
8. Vodafone
9. Unilever
10. Hilton
11. Spotify
12. Delta Air Lines
13. Schneider Electric
14. Salesforce itself (Salesforce uses its CRM platform internally)

Please note that this is not an exhaustive list, and many other companies, ranging from startups to large enterprises, use Salesforce to manage their business operations and customer relationships. Additionally, the usage of Salesforce can vary from company to company, with some utilizing it for specific departments or functions, while others implement it across their entire organization.

Since technology adoption and company information change over time, it’s possible that some companies may have started or stopped using Salesforce or that new companies have adopted the platform since my last update. For the most up-to-date information about companies using Salesforce, you can refer to Salesforce’s official case studies and customer success stories or consult with Salesforce representatives.