GQWEST’s provincial extension office and business hub in the Mindanao region. The In another development, QWEST has officially opened its Davao office. Located at the ground floor of Plaza de Luisa in R. Magsaysay Avenue, Davao City, the branch serves assettling up of the regional office is in line of the company’s goal of becoming the country’s leading water treatment, waste water treatment and process system solutions provider.