Thomas and Elizabeth married in 1946, starting their family. In 1954 the family relocated to California where Thomas pursued a successful business career. Gaining a great deal of knowledge in his years at Dominque's Waterworks, he started his own business, Sil Supply Co., a pipe supply business. He brought his success back to Hawaii where he continued with his next business venture, Wai Utility Co.

Thomas retired at 72 years of age. He lived the last 22 years to the fullest spending quality time with his family and friends.