City of O'Fallon, Missouri, Economic Development

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 Name	Parent Company	Product or Services	Employees
Gerdau Ameristeel US	Gerdau S/A	Reinforcing steel fabrication	10
MEMC	GlobalWafers	Silicon wafer manufacturer	350
Nortek Global HVAC	Melrose Industries PLC	Corporate HQ for manufacturer of furnace and air conditioning equipment	205
Schneider Electric USA	Schneider Electric SA	Customer demo, warehouse, labs, and testing for R&D	130
Synergetics USA	Valent Pharmaceuticals	Medical device manufacturer	275
VSM Abrasives	VSM AG	Sandpaper manufacturer	100