Kof-K, a Teaneck, New Jersey–based Kosher certification agency, is one of the "Big Five"which collectively certify more than 80 percent of the kosher food sold in the US. kosher certification agencies in the United States.
As of 2010, more than one third of all food sold in the United States has kosher supervision, 80% of it from one of the "Big Five."Some refer to a BIG FOUR, omitting CRC:
Its founder and rabbinic administrator was Rabbi Dr. Harvey (Zecharia) Senter, who died April 4, 2021 (אחרון של פסח).(and executive administrator) (doctorate in mathematics) It is now headed by two of his sons Rabbi Daniel and Ari Senter.
While the Kof-K's certification is largely for products, they also certify kosher eateries.
See also Hechsher
References
External links
Official Website