Oil was discovered on company land in 1942 by the Humble Oil and Refining Company, today known as Exxon. Crude oil production commenced in 1943 and continues today. Barron Collier Company is a partner, along with Collier Enterprises, in Collier Resources Company, which manages these substantial mineral holdings.

Since 1990, Collier Resources has identified several potential new oil fields in Southwest Florida and is currently active in furthering exploration of Collier’s 840,000 acres of mineral assets. The company also monitors oil production and development operations in the three producing oil fields and the activities of oil operations in the region. A total of 54 million barrels of oil have been extracted to date.