| Company | Type | Founded |
|---|---|---|
| Ameren | holding company, public company | 1997 |
| Emerson Electric | business, enterprise, public company | September 24, 1890 |
| Energizer Holdings, Inc. | brand, business, enterprise, public company | 2000 |
| Hardee's | business | September 9, 1960 |
| Monsanto | multinational corporation, public company | 1901 |
| Peabody Energy | business, enterprise, public company | 1883 |
| Washington University in St. Louis | private not-for-profit educational institution, private university | 1853 |