10 Missouri companies included in the 2013 Fortune 500

The top-ranked Missouri company, Express Scripts, moved up to 24th from 60th. The state has ten companies on the list, nine of which are located in St. Louis. O’Reilly Automotive is headquartered in Springfield.

Express Scripts: 24th
Emerson Electric: 123rd
Monsanto: 206th

Reinsurance Group of America: 275th
Centene: 303rd
Peabody Energy: 315th
Ameren: 373rd
O’Reilly Automotive: 412th
Graybar Electric: 465th
Jones Financial: 491st