There are hundreds of successful companies that were started by Electrical or Computer engineers that have grown into the technological powerhouses of the world. From Microsoft in Washington to Samsung in South Korea, all of these companies started from nothing with a few people who knew very little about their future. With an in-depth look at all of these companies, they all share the same trait on why they grew into fortune 500 companies; developed a demand and created a supply. The need of the next technological advancement is right around the corner, and as far as we know, have not yet been created. Looking at all the backstories of these major companies, we can dig deeper into how and why they became what they are today.