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Kosher Certification Agencies
Browse 19 kosher certification agencies operating in the United States. Find certified restaurants, bakeries, and caterers by agency and city.
OU
Orthodox Union
The Orthodox Union (OU) is the world's largest kosher certification agency, certifying over 1 million products and thousands of establishments globally.
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OK
OK Kosher Certification
OK Kosher is one of the four major international kosher certification agencies, founded in 1935 and headquartered in Brooklyn. It's widely trusted across all levels of observance.
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Star-K
Star-K Kosher Certification
Star-K is headquartered in Baltimore and is known for its rigorous standards, technical expertise, and consumer-facing kashrus resources.
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cRc
Chicago Rabbinical Council
The Chicago Rabbinical Council (cRc) is one of the most respected regional kosher certification agencies in the US, with a strong industrial and food-service certification program.
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RCC
Rabbinical Council of California
The Rabbinical Council of California (RCC) is the primary certifying agency for kosher establishments in Southern California, including most of the Pico-Robertson corridor.
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Kof-K
Kof-K Kosher Supervision
Kof-K is a major international kosher certification agency headquartered in Teaneck, New Jersey, certifying industrial products and food-service establishments across the country.
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Chof-K
Chof-K Kosher Supervision
Chof-K is a Brooklyn-based kosher certification agency serving the New York metropolitan area and beyond.
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RCBC
Rabbinical Council of Bergen County
The Rabbinical Council of Bergen County (RCBC) is the primary vaad hakashrus for Teaneck and the surrounding Bergen County communities.
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ORB
Orthodox Rabbinical Board of Broward and Palm Beach
The ORB is the primary kosher certification agency for South Florida, serving the Broward and Palm Beach Orthodox communities including Boca Raton and Delray Beach.
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KVH
KVH Kosher
KVH Kosher is the certification agency of the Vaad Harabonim of Greater Boston, serving the New England Jewish community.
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Vaad of DC
Rabbinical Council of Greater Washington
The Rabbinical Council of Greater Washington is the primary kashrus authority for the DC metropolitan area including Silver Spring and Rockville.
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KCL
Lakewood Kashrus
The Kashrus Council of Lakewood (KCL) certifies the majority of kosher establishments in the Lakewood community, serving one of the largest Orthodox populations in America.
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Keystone-K
Keystone-K
Keystone-K is a Philadelphia-area kosher certification agency serving restaurants and food service throughout eastern Pennsylvania.
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Scroll-K
Scroll-K
Scroll-K is the Vaad Hakashrus of Denver, the primary kashrus certification agency serving Colorado's Orthodox Jewish community.
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Kosher Michigan
Kosher Michigan
Kosher Michigan is the primary kashrus certification agency serving the metro Detroit Jewish community.
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Vaad Hoeir
Vaad Hoeir of St. Louis
The Vaad Hoeir of St. Louis is the historic kosher certification agency serving the St. Louis Jewish community since the early 20th century.
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AKC
Atlanta Kashruth Commission
The Atlanta Kashruth Commission (AKC) certifies kosher establishments throughout the Atlanta metro area and surrounding Southeast communities.
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KSA
Kosher Supervision of America
Kosher Supervision of America (KSA) is an LA-based international kosher certification agency serving industrial and food-service clients.
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Triangle K
Triangle K
Triangle K is a long-established New York-based kosher certification agency known for its industrial certifications.
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Agency Comparison
Headquarters, scope, and founding year for each agency.
| Agency | Headquarters | Scope | Est. |
|---|---|---|---|
| OU | New York, NY | Global - over 1 million certified products across 100+ countries. | 1923 |
| OK | Brooklyn, NY | International - industrial, food-service, and retail certification. | 1935 |
| Star-K | Baltimore, MD | International - factories, restaurants, and appliances. | 1947 |
| cRc | Chicago, IL | National - industrial, restaurants, and catering. | 1932 |
| RCC | Los Angeles, CA | Regional - Southern California restaurants, bakeries, and markets. | 1952 |
| Kof-K | Teaneck, NJ | International - industrial and food-service certification. | 1960s |
| Chof-K | Brooklyn, NY | Regional - New York metro industrial and retail. | - |
| RCBC | Teaneck, NJ | Regional - Bergen County NJ restaurants and catering. | - |
| ORB | Boca Raton, FL | Regional - South Florida restaurants and caterers. | - |
| KVH | Boston, MA | Regional - New England restaurants and industrial. | - |
| Vaad of DC | Silver Spring, MD | Regional - DC metro restaurants and catering. | - |
| KCL | Lakewood, NJ | Regional - Lakewood NJ restaurants and bakeries. | - |
| Keystone-K | Philadelphia, PA | Regional - Philadelphia metro. | - |
| Scroll-K | Denver, CO | Regional - Rocky Mountain region. | - |
| Kosher Michigan | Southfield, MI | Regional - Michigan. | - |
| Vaad Hoeir | St. Louis, MO | Regional - St. Louis metro. | - |
| AKC | Atlanta, GA | Regional - Atlanta metro. | - |
| KSA | Los Angeles, CA | International - industrial and food-service. | - |
| Triangle K | New York, NY | National - industrial and retail. | - |
Kosher Certification by City
Find certified kosher restaurants in your city by certification agency.
Kosher Certification FAQs
- What are the major kosher certification agencies?
- The four largest international kosher certification agencies are the Orthodox Union (OU), OK Kosher, Star-K, and Kof-K. In addition, regional agencies like the cRc (Chicago), RCC (California), RCBC (Bergen County), and KCL (Lakewood) certify local restaurants and establishments.
- How do I know if a restaurant is kosher certified?
- Look for a kosher certification symbol (hechsher) displayed at the establishment, usually near the entrance or on the menu. On Kosher Connect, every listing shows the specific certifying agency so you can verify the level of supervision before visiting.
- What is the difference between kosher certification agencies?
- Kosher certification agencies vary in their standards, scope, and community acceptance. National agencies like OU and OK certify products and restaurants globally, while regional agencies focus on local communities. Some agencies are known for stricter standards on specific issues like cholov yisroel or bishul yisroel.
- What does OU kosher certification mean?
- The OU (Orthodox Union) symbol means a product or establishment has been certified kosher by the world's largest kosher certification agency. OU certification is widely accepted across all levels of Jewish observance. The OU certifies over 1 million products globally.
Maintained by the Kosher Connect editorial team · Updated