Home › Countries🇸🇦 Top Companies in Saudi Arabia by Market Cap4 companies based in Saudi Arabia with a combined market cap of $1.89T.#CompanySectorMkt. CapPriceChange1SSaudi Arabian Oil Company2222.SREnergy$1.68T$6.97+0.00%2AAl Rajhi Banking and Investment Corporation1120.SRFinancial Services$105.60B$17.60+0.00%3SSaudi Telecom Co.7010.SRCommunication Services$57.59B$11.54-0.73%4SSaudi Basic Industries Corporation2010.SRBasic Materials$41.40B$13.80-1.33%