Surabaya Industrial Estate Rungkut (SIER) was established on February 28, 1974 to manage and develop industrial areas. In Indonesia mainly in East Java, SIER as one of the state owned companies, is the best, largest and most well-known industrial area and it is located in the Surabaya City territory, the 2nd largest provincial capital in Indonesia with the greatest economic growth and the population of 3.5 million people. This strategic industrial area is developed by PT SIER (State Owned Company) based on the well-designed master plan to meet the real industrial and environmental needs and is managed professionally to enhance the efficiency and productivity. In addition to its complete industrial facilities, SIER area is also an easy access to the Surabaya Tanjung Perak Harbor and Surabaya Juanda International Airport.