This is what I found on their website [open]:
Are your products kosher? By which certification?
Our products are Kosher-Dairy certified by KSA (Kosher Supervision of America). KSA is recognized and accepted by rabbinical associations throughout the world. It is the largest Orthodox certification agency in the western United States. For more information, please visit www.KSAKosher.com.
Specifically, the above is the label of Galaxy Truffle. Click to see it in full >>