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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 over 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.