PSI started operations in 1996. Today, the institution employs 152 people distributed among its main functions, namely Standardization, Certification, and Metrology. PSI’s operation is governed by an independent board of directors chaired by the Minister of National Economy, and includes representatives from industry, academic institutions and related PNA ministries. PSI has been able to press forward with most of its functions and was able to achieve the following: adopting and developing over 4600 standards most of which are harmonized with international standards, Grant over 400 quality and supervision marks to various Palestinian companies in various sectors, Calibrating hundreds of measuring devices and tools in the market and for factories and laboratories. Signing general cooperation and mutual recognition agreements with different countries, PSI, became a subscriber member of ISO in 2001 and has just upgraded its membership to correspondent member in 2004.