Saudi Basic Industries Corporation (SABIC; الشركة السعودية للصناعات الأساسية ، سابك) was established in 1976, headquartered in Riyadh and majority owned by the Saudi government, is one of the world's largest chemical companies. In the 2013 World Top 500 ranking, Saudi Basic Industries Company was ranked 201st.

Saudi Binladin Group, a multinational construction company founded in 1931 and headquartered in Jeddah, Saudi Arabia, is one of the largest Saudi builders involved in projects such as the Royal Bell Tower Hotel in Mecca and the Kuala Lumpur International Airport.

Kingdom Holding Company (Kingdom Holding Company, شركة المملكة القابضة) is the largest private enterprise in Saudi Arabia, founded in 1980, headquartered in Riyadh, with investments in banking, hotels, media, entertainment, Internet, etc., and has invested in companies including, , , Jingdong, , and so on. The company's founder, Prince Alwaleed bin Talal Al-Assud, is a member of the Saudi royal family and is known as the "God of the Middle East".

Saudi Arabian National Oil Company (English. Saudi Aramco, Arabic: الرامكو السعودية), commonly referred to as Saudi Aramco, is headquartered in Dhahran, Saudi Arabia, and the company owns the world's largest oil field, the Ghawar oil field. Saudi Aramco is the world's largest oil company, ranking first in the world in oil production and second only in oil reserves. (Source: "", 2013.11)

The Savola Group, a leading Saudi Arabian industrial company established in 1979 and headquartered in Jeddah, Saudi Arabia, provides edible oils, sugar, fresh milk products and fast food services to the Saudi, Middle East and North African regions. The Group is also the largest grocery retail chain in the Middle East; it was ranked No. 1293 in the Global 2000 in 2014;

Saudi Telecom Company (STC), the largest mobile and telecommunications operator in the Middle East and North Africa, was established in February 2008 and specializes in fixed-line, mobile, data and transmission, ranking 391st in the Global Enterprise 2000 in 2014. The company owns famous sub-brands such as AXIS and VIVA.

Mobily, Saudi Arabia's second largest telecom operator after Etihad-Etisalat, is part of the United Arab Emirates (UAE) Etihad-Etisalat Group, which provides communications services to Saudi users and was ranked 720th in the Global 2000 in 2014.

Saudi Electricity (SEC), the largest utility power company in the Gulf region, was established on May 4, 2000 and ranked 492nd in the 2014 Global Business 2000.

Saudi Stock Exchange (SSE) Saudi Arabia's only stock exchange, indexed by the Tadawul All-Share Index.