GCC Standardization Organization (GSO) is a Regional Standardization Organization (GSO) which was established by the resolution of the GCC Supreme Council (22nd Session, Muscat, Oman, 30-31 December 2001) and assumed its operation in May 2004 with membership of the governments of The State of the United Arab Emirates, The Kingdom of Bahrain,
The Kingdom of Saudi Arabia, The Sultanate of Oman, The State of Qatar, and The State of Kuwait.