| KeyBank | bank, business, financial institution, enterprise, credit institution, public company | 1825 |
| Kirby Company | business | 1914 |
| Ling-Temco-Vought | conglomerate | 1969 |
| Sherwin-Williams | business, enterprise, public company | 1866 |
| Standard Oil | holding company, business, enterprise | 1890 |
| Telarc International Corporation | record label, record company | 1977 |
| White Motor Company | business, automobile manufacturer | 1902 |