Contributor, Benzinga May 26, 2021 Benzinga Money is a reader-supported publication. We may earn a commission when you click on links in this article. Learn more. The Steel City earned its title during the Industrial Revolution — a time when there was such a need for workers that the entire world grew interested in the Three Rivers. The city was booming, and new businesses were being born across the region. Unfortunately, that boom didn’t, and businesses began to falter. In a city once known for its heavy manufacturing, industry would return with a vengeance — but in a different form. Google would move in. Duolingo set up shop. Amazon, Facebook, Microsoft, Apple and Uber would follow suit. See a trend?