Exhibit 21.1

RENEWABLE ENERGY GROUP, INC. SUBSIDIARIES

 

REG Biofuels, LLC   Iowa
REG Marketing & Logistics Group, LLC   Iowa
REG Services Group, LLC   Iowa
REG Construction & Technology Group, LLC   Iowa
REG Ventures, LLC   Iowa
REG Venture Services, LLC   Iowa
REG Ralston, LLC   Iowa
REG Houston, LLC   Texas
REG Danville, LLC   Delaware
REG Newton, LLC   Iowa
REG Seneca, LLC   Iowa
REG New Orleans, LLC   Iowa
REG New Boston, LLC   Iowa
REG Emporia, LLC   Iowa
REG Clovis, LLC   Iowa
REG Atlanta, LLC   Iowa
REG Processing Systems, LLC   Iowa
416 S. Bell, LLC 50% owned   Iowa