Kosher Certification Kosher Without Compromise

English Login

Companies
kosher compliance
Consumers
keeping kosher
About
our ongoing story

Select Language

Login

forgot password Not yet OK Certified? Click here to apply

Companies

Search for:

Home > Companies > Featured Brands > Listerine

Listerine

Brushing Misses 75% of Your Mouth , Listerine Cleans Virtually 100%.

Companies
Get Certified
Kosher Slideshow Presentations
Meet the
What is Kosher?
Why Choose Kosher?
Certification Manual
- Certification Manual
- The Role of the Kosher Contact Person
Kosher Confidentiality and Security Promise
2022 Holiday Calendar
Frequently Asked Questions
Truck Wash Stations and Trucking Companies
Featured Brands

Get Certified

We're the largest independent kosher certifier in the world. You can trust in the for universally accepted standards and high quality service.

Apply Now

Apply for OK Kosher Certification

Choose which application best suits your industry.

Industrial & Retail Manufacturing

Restaurants & Catering

Private Label Agreement

Transport Company

Need more help? Connect with a Certification Specialist Connect

KOSHER BLOG

Get in Touch

live chat
email
phone
feedback

Talk to OK Kosher

Speak to an Account Specialist

(718) 756-7500

Global Offices

Companies

What is Kosher?
Why Choose Kosher?
Get Certified
Kosher Confidentiality and Security Promise
Featured Brands

Consumers

Kosher Product Search
Insight & Inspiration
Kosher Video
Your Kosher Kitchen
Certified Restaurants

About Us

Values & Mission
The Kosher Story
Timeline of Kosher
Our Global Offices and Regional Representatives
Organizational Structure
Privacy Policy
Terms of Use
Careers

OK Kosher Certification
391 Troy Avenue
Brooklyn, NY 11213 USA

Follow us for updates and alerts

Connect with Facebook
Get Kosher Alerts on Twitter
Follow on Twitter
YouTube
LinkedIn
Pinterest
Instagram

OK Kosher Certification founded in 1935. © 2022 All rights reserved.

Contact Us

Attention*
Your Name*
First Last
Your Company Name
Your Email*
Your Phone*
Subject*
Your Message*
Picture Attached
- Yes
- No
Attaching a picture of the product label will expedite your inquiry.
UTM Capture
File
Drop files here or

General Inquiries:

718-756-7500
service@ok.org

Consumer Hotline:

718-907-9548
info@ok.org

New Company Information:

718-907-9558
nad@ok.org

Restaurant Information:

718-907-9574
restaurants@ok.org