OU - The world's best known kosher trademark | Learn About Kosher

Why the world's best known brands choose the OU for Kosher certification

Featured Companies

Going kosher is an investment your company makes in order to increase market reach and share. We are ready to support you in any way we can in achieving your goals.

Delouis S.A.

LACTAID®

Wright Group

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Mancini Packing Company

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The Mancini brand brings you old world tradition with products that are innovative and easy. Family …
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Mantrose-Haeuser Co., Inc.
NATURESEAL

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Mantrose-Haeuser’s NatureSeal formulations are OU Kosher certified for use on fresh-cut produce. These precise vitamin/mineral blends …
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Marbelize

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Marbelize S.A. is a tuna processing company, located in Manta-Ecuador. We are a family company with …
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Marques De Paiva

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For over 4 generations, the Marques de Paiva family has been growing gourmet coffees on the …
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Martek Biosciences Corporation

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Martek Biosciences Corporation is a leading innovator in the development of nutritional products that promote health …
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