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Who is GPC?

Welcome to Grain Processing Corporation’s (GPC) website! Now more than ever, companies all around the world are searching for fresh, new, innovative ideas. Since 1943, we’ve been building and nurturing a global reputation for providing exactly what companies are looking for, which is how we’ve become a leading manufacturer and worldwide marketer of corn-based products including:

Non-GM Products at Grain Processing Corporation
January 1, 2019

Many, if not all of you, are familiar with the GPC Non-GM program that both the Muscatine and Washington plants have in place to produce a number of finished goods including MALTRIN® products and alcohol. In addition to the finished good production, the Co-Product Department has also been actively carving out a market for Non-GM corn co-products.

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Corn Outlook

Corn Market Commentary
December 12, 2018

GPC Grain Buying Portal
The Grain Information link below provides you:

  • Daily Corn Prices
  • Corn Discount Schedule
  • Ability to Sell Corn to GPC Electronically Online
  • Market Information
  • Truck Delivery Hours
  • Driving Directions
    and more!




MALTRIN® is a registered trademark of Grain Processing Corporation.