The Gulf Petrochemicals and Chemicals Association (GPCA) represents the downstream hydrocarbon industry in the Arab states of the Persian Gulf. Established in 2006, the association voices the common interests of more than 230 member companies from the chemical and allied industries, accounting for over 95% of chemical output in the Persian Gulf region. The industry makes up the second largest manufacturing sector in the region, producing up to US$97.3 billion worth of products a year.