Computer Companies are business that specialize in computer technology. These companies may deal with several aspects of computers as well. For example, some computer companies may manufacture computers and hardware, while another computer company sells those products to the mass market. Also, computer companies can produce software or other components used to interact with computers. Furthermore, some computer companies use computers to create media, process payroll software, credit card processing software. Examples of some of the largest computer companies are the Internal Business Machines Corporation (IBM), Tera Computer Company, Dell Inc., and Elliot Brothers. Examples of some the most popular computer video game companies are Activision, Capcom, Maxis, Electronic Arts, and Nintendo.