The stores Tan's father owned or co-owned generally used the Chinese characters an or cheng in their names, and according to Tan's nephew Tan Lin Kit, there were 18 of the an stores and 24 cheng stores scattered around Singapore.
據陳嘉庚的侄子陳仁傑所知，有「18 安」和「24 成」，遍布新加坡各處，而以順安米店為總店。