The corporate evolution of a gasoline giant from Indiana to Britain

Wealth & Business · Published 19 October 2026 Swipe more like this →

In short: Amoco was once the largest oil company in the United States, a titan born from the breakup of the Standard Oil trust. From pioneering thermal cracking to creating the modern drive-through station, its history is a blueprint for the industrial scale of the modern energy world.

The company's origins trace back to 1889, when it was founded as the Standard Oil Company (Indiana) by the Standard Oil trust to manage refining and marketing in the Midwestern U.S. Its first refinery, located outside Whiting, Indiana, began production in 1890. While the trust dominated the nation, the 1911 U.S. Supreme Court decision to dissolve the monopoly forced Indiana Standard to become an independent corporation. This independence allowed it to carve out a massive market share, selling 88% of the gasoline and kerosene in the Midwest by 1911.

Technological innovation was a cornerstone of its growth. In 1910, the company developed the first thermal cracking process, a method that revolutionized the industry by allowing for the production of larger quantities of high-octane gasoline. This was critical as the automotive market began to explode in the late 1890s. In addition to refining, the corporation developed public-facing systems such as the drive-through filling station and the gasoline tanker truck. It also moved into petrochemicals in the 1920s, developing chemical precursors for polyester synthetic fibers and clear plastic beverage bottles.

The brand identity shifted significantly over the 20th century. In 1925, it absorbed the American Oil Company, which provided the 'Amoco' name and the iconic red, white, and blue oval logo with a torch. The company officially became the Amoco Corporation in 1985. After a $43.2 billion acquisition by British Petroleum (BP) in 1998, the brand was largely phased out in 2001. However, following the 2010 Deepwater Horizon spill, BP re-introduced the Amoco brand to selected U.S. markets in 2017, currently operating approximately 1,000 stations.

Today, Amoco remains a notable name in the energy sector, representing a legacy of industrial scale. While it is no longer an independent entity, its history reflects the transition from regional refining to global petrochemical production and the eventual consolidation of the global oil industry into a few massive multinational conglomerates.

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