FreeportMcMoRan Wikipedia
The current company was created in 1981 through the merger of Freeport Minerals, formerly Texas Freeport Sulphur Company and McMoRan Oil Gas Company, becoming FreeportMcMoRan Inc. . Early history. Freeport Sulphur Company was founded July 12, 1912 by the eldest son of Svante Magnus "" Swenson, banker Eric Pierson Swenson, with a group of investors, to develop sulfur mining .