ADM

Advanced Bio-Fairmont, NE

Aventine - Aurora, NE

Bunge

Cargill

E-Energy - Adams, NE

Green Plains (GPRE)

Kappa - Minden, NE 

Siouxland - Jackson, NE

POET

Frontier Coop

Western Iowa Coop 

United Farmers Mercantile - Red Oak, IA