
15. Dell
From printers and ink to actual computers, all of these digital-era tech gadgets are worth millions. Michael Dell, the creator of Dell Computer Corporation, quit the University of Texas, Austin. He did so as a result of his desire to focus on developing computers from OEM components. Dell started business under the name PCs Limited. They year was 1984 and Dell was in his dorm room at the University of Texas, Austin. He initially manufactured processors from stock components that were compatible with IBM PCs.
Within a year, he diversified to manufacturing branded PCs, and his business started making profits in the same year. Dell continues to be one of the leading computer manufacturers in the US market with an estimated worth of more than $50 billion.