Rev. Allan and Rev. Joan Eubank moved to Sam Yaek, Nakhon Pathom Province in July 1963 to work with the Lao Song ethnic group in Laem Krachao and Saha Bamrung Wittaya School. Many missions were started here this includes the construction and dedication of the Three Crossroads Church, sponsored by the Porter family in Texas, as well as the Lao Song music ministry and handicrafts program The two pastors served in this area for eight years before moving to Chiang Mai province.
The Panrak Foundation continues to support missions in this area, with Rev. Aran and Rev. Joan Eubank continuing to visit and assist with mission work, as well as promoting evangelism in the Lao Song ethnic area.