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100 North Main Street
O'Fallon, MO 63366
Phone: 636-379-5532
Email: [email protected]

©2018-2021 City of O'Fallon, Missouri
 

International Firms

From Latin America to Western Europe, O'Fallon is home to a number of companies with a global presence. Listed below are a sampling of international firms that have chosen to locate in O'Fallon, Missouri.

Business NameParent CompanyParent CountryProduct or ServicesEmployees
Gerdau Ameristeel USGerdau S/AReinforcing steel fabrication10
MEMCGlobalWafersSilicon wafer manufacturer350
Nortek Global HVACMelrose Industries PLCCorporate HQ for manufacturer of furnace and air conditioning equipment205
Schneider Electric USASchneider Electric SACustomer demo, warehouse, labs, and testing for R&D130
Synergetics USAValent PharmaceuticalsMedical device manufacturer275
VSM AbrasivesVSM AGSandpaper manufacturer100

Source: City of O’Fallon Economic Development Department

International Firms Located in O’Fallon
True Manufacturing HQ

Headquarters & Operations

Headquarters & Operations

Citi in O'Fallon, MO

Largest Employers

Largest Employers

O'Fallon Casting machinist

Manufacturing Firms

Manufacturing Firms