Saudi Aramco, the full name of Saudi Arabian Oil Company (formerly known as Arab-American Petroleum Company), is a national oil and gas company in Saudi Arabia, headquartered in Dhahran. Saudi Aramco is one of the companies with the highest operating income in the world. It also ranks first in profitability. It has the world's second largest proven crude oil reserves and the second largest daily oil production, with annual sales exceeding RMB 2 trillion. Saudi Aramco operates the world's largest single-hydrocarbon network (main gas system), and manages more than one hundred oil and gas fields in Saudi Arabia, and operates the world's largest onshore oil field-the Ghawar oil field, and the largest offshore oil field- Sefania oil field.

The Saudi Jubail and Yanbu Royal Commission was established on September 21, 1975, and is headquartered in Riyadh, the capital of the Kingdom of Saudi Arabia. As a government agency, it is responsible for the planning, promotion, development, and management of petrochemical and energy-intensive industrial cities. Necessary infrastructure construction, all customer-centric, establish successful partnerships with investors, employees, communities and other stakeholders.
In order to support and diversify the national economy, the Royal Commission built several industrial parks throughout the kingdom. At present, the Royal Commission is responsible for the operation and management of the four major industrial cities in Saudi Arabia and two-thirds of industrial investment in the Gulf countries. It has comprehensive urban creation and management experience, covering public services, education, universities, medical care, landscaping, irrigation and roads, etc. each field. The Yanbu Royal Commission is responsible for the supervision and management of Yanbu Industrial City and is also a catalyst for the economic and industrial development of the Kingdom of Saudi Arabia. The Royal Commission took the lead in creating a favorable investment environment to attract local and foreign capital. One of the policies is to provide sufficient infrastructure and services in industrial cities (Jubayl and Yanbu) to encourage investors to plan to set up industrial, residential and commercial projects in these cities. At present, the Royal Commission has achieved a series of achievements. Under the operation and management of the Royal Commission, the Jubail Industrial City has become the city with the most economic potential in the Middle East: the industrial city’s share in the world petrochemical market accounts for 7% of the world’s total output, and it is non-oil in the gross national product. The share is about 11.5%, and about 70% of the Kingdom’s non-oil exports come from Jubail Industrial City. The capital investment exceeds 237 billion sand dollars, and foreign capital accounts for about 50% of the total investment. In the future, the Royal Commissioner will continue to encourage all aspects of development covering urban construction, public, health, education, environment and other fields, in order to vigorously support the diversification of the national economy.