| Baker Motor Vehicle | business, automobile manufacturer | 1899 |
| Eaton Corporation | business, enterprise, public company | 1911 |
| KeyBank | bank, business, financial institution, enterprise, credit institution, public company | 1825 |
| Ling-Temco-Vought | conglomerate | 1969 |
| Peerless | business, defunct organization, automobile manufacturer | 1900 |
| Standard Oil of Ohio | business, gas station chain | 1911 |