The chain operates its anchor stores and other brands that include Paper Chase, Homestore, Tinapayan, Medicine Corner, ISX Superstore, The Atrium at the Capitol, and Right Choice.

[1] As of October 2023, the chain had a total of ten branches all over Metro Iloilo.

The supermarket chain was established in 1948 by Que Hua Pho, more popularly known as "Papa George, with the name Washington Supermart, after acquiring Hoskyn & Co.

In 1994, The Atrium at the Capitol was inaugurated, housing the largest Iloilo Supermart branch at the time.

[3] On October 2, 2023, Iloilo Supermart opened its tenth and second branch in Pavia, in QHP Plaza in Jibao-an.