CRC from Chicago is extremely professional and reliable, and they have a wonderful website.
From Wikipedia:
The Chicago Rabbinical Council (or cRc) is the largest regional Orthodox rabbinical organization in America, located in Chicago, Illinois. The cRc is a not-for-profit offering a wide variety of Jewish services including kosher product supervision and kosher certification. Kosher certification is available around the world and throughout the year, including Passover supervision.
The cRc is also involved in community relations, funeral standards legislative issues, singles programming, youth education, and other activities benefiting the Jewish and general communities.
The cRc provides a beth din, a court of rabbis who are experts in Jewish law. In addition to dealing in the area of Jewish divorce, the Jewish court deals with Jewish adoption, conversion, certification of Jewish status, cases of mediation, and legal disputes
CRC website: http://www.crcweb.org
You can’t get this type of info from the NY CRC. In fact, you can’t get any info from NY CRC, website or not.