Louis Dreyfus resumes operations and concentrates on rebuilding after World War II. Particular attention is given to reestablishing Louis Dreyfus Armateurs.

Gérard Louis-Dreyfus becomes chairman and redirects the Louis Dreyfus’s trading activities to capitalize on arbitrage opportunities in a variety of commodity markets, including government bonds, rice, cotton and natural gas.

Louis Dreyfus Property Group is established to develop, own and manage first-class office buildings in North American and Europe.

Louis Dreyfus Energy begins trading energy products, including natural gas and crude oil.

The purchase of a small company engaged in exploration and production of oil and gas in the United States leads to the formation of Louis Dreyfus Natural Gas. A petroleum refinery in northwestern Germany with a capacity of 164,000 barrels per day is also purchased.

Louis Dreyfus Armateurs begins oceanographic survey activities.

The General Lagos soybean crushing plant and port facility on the Paraná River opens in Argentina. With a crushing capacity of 12,000 tons a day, it is one of the largest and most efficient plants in the world.

Louis Dreyfus Energy enters into an agreement with Electricité de France to create EDF Trading, an energy trading company to market wholesale electricity and fuels in the European markets.