In the 1933, Modesta Singson-Gaisano established White Gold Department, Store in Cebu City.

After her death in 1981, her five sons—David, Stephen, Henry, Victor and John—pursued their respective retail operations.

In addition, he established DSG Sons Group, Inc. which opened shopping malls in Mindanao under the Gaisano Mall and GMall brands in Davao City (including Toril), Digos, General Santos, Tagum, and Cebu City.

GMall's Mindanao branches are some of the biggest shopping malls in the island.

This was said to be the supposed expansion of the Gaisano Mall brand in Metro Manila.