Answer by
JoeBarba (32)
There are a number of kashrut agencies but some include: The Union of Orthodox Jewish Congregations (OU), The Organized Kashrus Laboratories (OK), "Star-K" Kosher Certification (STAR-K), Vaad Hakashruth of Northern California, Kosher Certification Service, Kosher Supervision of America (KSA), Rabbinical Council of Califorina (RCC), Orthodox Rabbinical Council of San Francisco, and many others.