Qatar Petroleum (QP) 25.5%
QP is a wholly state-owned corporation whose corporate objective is to manage all phases and aspects of the hydrocarbons business in Qatar. QP has a majority equity stake in Qatar's LNG, refining and petrochemical industries.

Qatar Petrochemical Company (QAPCO)
QAPCO is  a  world-scale  petrochemical  company  currently  producing  and marketing ethylene, polyethylene and sulphur. Established in 1974, it commenced operations in 1980 and is located in the Mesaieed Industrial City. QAPCO is 80% owned by Industries Qatar (Industries Qatar is a QP company) and 20% owned by Total Petrochemicals.

Norsk Hydro 29.7%
Norsk Hydro is a lead supplier of PVC to Scandinavia and the UK with an established commercial network for plastics in Asia, by virtue of its PVC production in China. Industrially and commercially involved in Qatar since 1970, through a 25% stake in QAFCO (Qatar Fertiliser Company) a leading global producer of fertilisers. Yara International, a spin off from Norsk Hydro is currently having the 25% stake in QAFCO.

Arkema 12.9%
Present in over 40 countries with 18,600 employees, Arkema achieves sales of 5.2 billion euros and is a global chemical player holding leadership positions in its principal markets.

It consists of 3 coherent and balanced business segments, one of  them beeing the  Vinyl Products: Chlorochemicals and PVC, Vinyl Compounds, Pipes and Profiles (Arkema is the second largest chlorine producer in Western Europe),

Arkema develops its activities by combining safety and environmental protection, client proximity, industrial reliability, and competitiveness.