| Company | Type | Founded |
|---|---|---|
| American Eagle Outfitters | business, brick and mortar, public company | 1977 |
| Carnegie Mellon University | research university, private not-for-profit educational institution, private university | 1900 |
| Carnegie Steel Company | enterprise | 1892 |
| Consol Energy | business, enterprise, public company | 1991 |
| U.S. Steel | business, enterprise, public company | 2001 |
| Viatris | multinational corporation, pharmaceutical company, public company | November 2020 |