KREH (branded as Radio Saigon Houston) AM is a Vietnamese language radio station with its studios in Chinatown and in the International District in Houston, Texas. As of 2007 it is co-owned by Duong Phuc and Vu Thanh Thuy. It is broadcast on frequency 900 kHz and operates from sunrise to sunset under ownership of Bustos Media. It is one of only two Asian stations serving the Greater Houston area.When it was established, it had five employees.