Google can get you that very quickly. Just search "fintech king of prussia" and click on the Map view and see where they are. Note how in New York (or Miami or wherever) those sorts of companies set up in the last decade are based within the city, not. Those are literally 10s of thousands of jobs that should be wanting to move into a skyscraper that could be built on one of the many parking lots that are being turned into mid-size development student housing.

Manufacturing is a similar easy ask: https://www.zippia.com/company/best-manufacturing-companies-in-king-of-prussia-pa/

I speak as a transplant but when I bought a place here, I didn't realise that every single one of my interviews would involve driving 20 miles away. I work in Delaware, for a company whose CEO commutes from here.