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About us

Kosher Supervisors of Wisconsin strives to provide the highest quality standard for Kosher certification for companies and establishments

that wish to offer Kosher product to the consumer.

         

Our trademarked symbols, are recognized and approved

by major certifying agencies and consumers around the world.  

         

We are proud to be a member of AKO, the Association for Kashrus Organizations.

 

We certify retail establishments, Kosher Caterers

as well as over dozens of  commercial manufacturing facilities.

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Let us help you with all your kosher needs!

       

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CORPORATE OFFICE:

7020 N. Green Bay Ave

Glendale, WI 53209

 

Rav Hamachshir - Rabbinic Guide

Rabbi BenZion Twerski

Rav Hamachshir - Rabbinic Guide

Rabbinic Administrator

Rabbi Akiva Freilich

Rabbinic Administrator 

Rabbinic Liaison

Rabbinic Liaison 

Rabbi Tuvia Torem 

Rabbinic Supervisor

Rabbi Shulem Horowitz

Rabbinic Supervisor

Rabbi Ayson Ganeles

Rabbinic Supervisor

Kosher  Supervisors  of Wisconsin
Kosher  Supervisors  of Wisconsin

Internationally recognized Kosher Certification for food service and food production. We provide quality certification, education, and support you can trust.

CONTACT US

Our Office

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Phone

Email

Office Hours
 

7020 N. Green Bay Ave.

Glendale, WI 53209

(414) 573-9353

info@kosherwisconsin.com

Monday – Friday
8:30 AM – 4:30 PM (CT)

Proud Member of the Association of Kashrus Organizations (AKO)

Global Recognition

Our certifications are accepted around the world by top retailers and brands.

Dedicated Support

Personalized assistance through every step of your certification journey.

Quality & Integrity

Rigorous standards and ongoing supervision you can rely on.

Trusted Certification

Recognized locally and internationally for integrity and excellence.

Wisconsin Kosher Call 414.573.9353 © 2026 Kosher Supervisors of Wisconsin. All Rights Reserved.

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