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Making Renewal Work
The Dupps Company partners with industries that help renew, recycle and sustain.
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Supporting the Original Recyclers

Millions of tons of animal by-products recycled — instead of ending up in landfills and our groundwater.
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100% Pure Soybean Oil

Extracting soybean oil efficiently — without the use of chemical solvents.
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Only the Best for Man's Best Friend

Proven quality, safety & sustainability — recycled proteins are essential in today's pet foods.
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All-natural from ocean to table
High-quality fishmeal feeds provide essential, balanced nutrients for sustainable aquaculture.
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Waste into Energy

Food waste depackaging and other systems help turn throw-aways into biogas and other sustainable fuels, adding value to organic residuals.

Welcome to Dupps

For eighty-five years, the Dupps Company has been the worldwide leader in providing high-quality rendering equipment and service to the animal byproducts and protein recycling industry. Today, we’re expanding our role — applying our capabilities and experience to include process systems and service to industries that are key to the sustainability of our environment and our world.

Industries we serve

The Dupps Company designs, manufactures and services process systems and equipment for many of today’s most vital recycling and renewables industries, including:

Animal Byproducts Recycling • Oil Seed Processing • Fish Protein Recycling • Food Waste Depackaging • Process Drying • Pulp & Paper Dewatering • Special Process Applications