The ones in Cedarhurst (Rockaway Tpke) and Valley Stream (Sunrise Highway) are both under the very reliable Va’ad of the 5 Towns, as other readers pointed out.
There is also a supposedly Kosher one in Monsey, on Route 59, but there are people who either will not eat there at all, or will eat the donuts (which are brought in from a kosher plant) but not the other baked goods.