Southern Agro Export Corporation (SAGREX) was registered with the Securities and Exchange Commission (SEC) and started business in Davao City in January 1980. It started out as a trading and export company, buying and selling rice and corn, coffee, copra and other agricultural products; exporting castor seeds, cottonseeds and cattle feeds such as Ipil—ipil leaves and cassava chips. It evolved into a diversified company, distributing GROW MORE NPK premium foliar fertilizers and LIQUID natural organic micronutrient chelates.
In 1994, SAGREX ventured in distributing E-WHA P.E. Foam Products in Davao City. After successfully introducing P.E. Foam as cushioning pad for export of fresh Cavendish banana, SAGREX in partnership with E-WHA Foam established the first P.E. Foam manufacturing plant for Visayas-Mindanao in Davao City.