Nothing has shaped the history of computers quite as much as companies. Incredible mathematicians may have developed theories and concepts that pushed forward what was possible, it was companies time and again that applied those insights to products and life-changing inventions.
One of the most prolific companies in computing was Xerox, credited with a dizzying number of inventions that included the fax machine, copier, ethernet, and the laser printer. Others like Apple, Google, and IBM have developed some of the most important software and products of the modern era.
See below for History-computers full list of incredible tech companies.