12. Dell
Headquarters: United States
Number of employees: 140,000
Named after its founder, Michael Dell, this corporation is involved in computer hardware and software industries. Along with HP and Lenovo, Dell represents one of the three biggest vendors in the world. In 2016, Dell Corporation united with EMC so that the official name would now be Dell EMC. The most famous subsidiary of Dell is Alienware, worldwide known gaming system. Opposed to the very beginning of Dell when it had only 5,000 employees in 1993, the company currently hires 140,000.