KSA provides a resounding 90% share of this year’s petrochemical sector ranking. Kuwait’s Boubyan Petrochemical Company follows the nine other KSA companies represented, completing the ranking of the top 10 firms. Yansab tops the competitive Saudi market with a balanced offering across each of the rankings criteria. SAFCO posts a commanding 50.07% return on equity for 2011, towering above the competition in this respect. Advanced Petrochemical Company is second on the ranking, powered by an impressive 3,218.5% average growth in earnings per share. Meanwhile, Saudi Investment Group leads average asset growth at 57.7%, and Sahara Petrochemicals company boasts the highest average market capitalization growth, with a ratio of 48.8%.