1. ExxonMobil

On December 1, 1998, Exxon, the leader of American oil industry, invested 76.6 billion dollars to buy the second Mobil.

this is the largest company merger in the world so far. It greatly exceeds BP's planned investment of $57.1 billion to buy Amoco, and dwarfs the once sensational merger of Traveler Group by Citibank for $72.6 billion.

After the marriage, ExxonMobil became the world's largest company in terms of annual sales, taking away the crown of Royal Dutch Shell Oil Company as the world's largest energy company and the throne of General Motors as the world's largest industrial company. This new oil empire has 48,5 gas stations around the world, engaged in oil exploration, production and processing all over the world, with a daily crude oil production capacity of 1.6 million barrels. The two companies * * * have 12, employees. In 1997, the combined sales reached $22.3 billion, and the profit was about $11.8 billion.

2. Royal Dutch/Shell Group Company, referred to as Shell Company for short, was founded in 197 with the merger of the shares of Shell Transport and Trading Co., Ltd. and Royal Dutch Oil Company. Since then, the group has gradually become a major international oil company in the world, with operations in about 13 countries and a wide range of partners. It is a major international producer of petroleum, natural gas and petrochemical industry, with interests in more than 5 refineries in more than 3 countries, and it is also a major seller of petrochemical industry, road transportation fuel (about 5, gas stations are spread all over the world), lubricating oil, aviation fuel and liquefied petroleum gas. At the same time, it is a pioneer in LNG industry and has rich experience in financing, management and operation of large-scale projects around the world. In 1999, the group's total sales revenue reached $149.7 billion and its profit was $8.58 billion.

3. BP is formed by the integration and reorganization of former BP, Amoco, Arco and Castrol, and it is one of the largest oil and petrochemical group companies in the world. The company's main business is oil and gas exploration and development; Refining; Natural gas sales and power generation; Retail and transportation of oil products; And that production and sale of petrochemical product. In addition, the company's business in solar power generation is also growing. BP is headquartered in London, England. The company's current asset market value is about $2 billion, with more than one million shareholders. BP has nearly 11, employees all over the world and has production and business activities in more than 1 countries.

4. ConocoPhillips, the third largest oil company in the United States, offered $35.6 billion (S $59.8 billion) to acquire Burlington Resources, an American oil and gas producer. This is the largest oil field acquisition transaction since Chevron acquired Texaco in 21 for $39 billion.

conocophillips is a large-scale comprehensive oil company with global business. The company is headquartered in Houston, USA, with about 56,6 employees and 8 billion US dollars of assets all over the world. It is one of the top 5 enterprises in the world.