Star-K Kosher Certification, also known as the Vaad Hakashrus of Baltimore, is a kashrus certifying agency based in Baltimore, Maryland under the administration of Rabbi Moshe Heinemann

Moshe Heinemann

Rabbi Moshe Heinemann is an Orthodox rabbi and Posek who heads the Agudath Israel of Baltimore synagogue and is the rabbinical supervisor of the Star K kashrus certification agency...

, with the involvement of many other rabbis (see list of rabbis). It is one of the largest kashrus certification agencies in North America. The organization supervises numerous commercial food products and food establishments (such as restaurant

Restaurant

A restaurant is an establishment which prepares and serves food and drink to customers in return for money. Meals are generally served and eaten on premises, but many restaurants also offer take-out and food delivery services...

s and caterers), and conducts Shaatnez testing in Baltimore, New York City

New York City

New York is the most populous city in the United States and the center of the New York Metropolitan Area, one of the most populous metropolitan areas in the world. New York exerts a significant impact upon global commerce, finance, media, art, fashion, research, technology, education, and...

, and many other places.It is currently planning on allowing female kashrus supervisors in certain circumstances for catering halls and restaurants, which most kashrus agencies do not allow.
The organization also shares its offices with another kosher certification label known as Star-D http://www.star-k.org/kashrus/kk-newlist-d-spring06.htm. As Star-K has a policy of not certifying a dairy product or establishment that is not Cholov Yisroel

Cholov Yisroel

Cholov Yisroel refers to all dairy products, including cheese and non-fat dry milk powder, which have been produced under the supervision of a Rabbi....

, the Star-D label is offered to those products and establishments that contain or serve non-Cholov Yisroel ingredients.