Category
page 1Companies based in St. Louis

Hardee's
'''Hardee's Restaurants LLC''' is an American fast-food restaurant chain operated by CKE Restaurants Holdings, Inc. ("CKE") with locations primarily in the Southern and Midwestern United States. The company has evolved through several corporate ownerships since its establishment in 1960 in North Carolina.
Trans World Airlines
defunct airline in the United States (1930–2001)
Sigma-Aldrich
Sigma-Aldrich (part of MilliporeSigma) is a brand operating within an American chemical, life science, and biotechnology company owned by the multinational chemical conglomerate Merck Group. The life sciences business of Merck Group operates as MilliporeSigma in the United States.
Bunge Limited
global agribusiness and food company
Burroughs Corporation
company
HOK
global design, architecture, engineering and planning firm
Peabody Energy
American coal company
Build-A-Bear Workshop
US multinational toy store chain
AmericanConnection
thumb|250px|AmericanConnection Embraer ERJ family|ERJ 140 operated by Chautauqua Airlines
Missouri Pacific Railroad
defunct American Class I railroad
Centene Corporation
American multinational healthcare company
Fleishman-Hillard
FleishmanHillard Inc. (formerly, Fleishman–Hillard) is a public relations and marketing agency founded and based in St. Louis, Missouri. It was acquired by Omnicom Group in 1997, becoming part of the Diversified Agency Services (DAS) division. The company was founded in 1946 by Alfred Fleishman and Robert E. Hillard.
Ameren
thumb|Ameren technician replacing a street light
Arch Resources
U.S. coal company
St. Louis Post-Dispatch
daily newspaper in St. Louis, Missouri
St. Louis–San Francisco Railway
defunct American Class I railway
Seminis Vegetable Seeds, Inc.
Seminis is a developer, grower, and marketer of fruit and vegetable seeds, currently a subsidiary of Bayer. Seminis' hybrids claim to improve nutrition, boost crop yields, limit spoilage and reduce the need for chemicals. Their retail line includes over 3,500 seed varieties.
The May Department Stores Company
defunct retail company acquired by Federated Department Stores in 2006
Stifel
Stifel Financial Corp. is an American multinational independent investment bank and financial services company created under the Stifel name in July 1983 and listed on the New York Stock Exchange on November 24, 1986. Its predecessor company was founded in 1890 as the Altheimer and Rawlings Investment Company and is headquartered in downtown St. Louis, Missouri.