Grain Processing Corporation
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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:

Food Spotlight

Non-Genetically Modified (Non-GM) Corn Gluten Feed Available from Grain Processing Corporation
February 1, 2017

GPC has non-GM loose corn gluten feed available in bulk railcars from our Muscatine, Iowa, location. GPC’s corn gluten feed is of high quality – typically running approximately 19% protein – and mixes well into many ration formulations requiring a non-GM source of protein and fiber.

Grain Processing Corporation has a long-standing history of providing high-quality non-GM products for our customers across the industry. We employ an Identity Preservation (IP) program with rigorous protocols that includes proper doumentaion from...

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Click for the full list of spotlights

Corn Outlook

Corn Market Commentary
November 9, 2016

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!