Fluor is one of the largest global providers of engineering, procurement, construction, fabrication, operations, and maintenance services. The firm serves a wide range of end markets including oil and gas, chemicals, mining, metals, and transportation. The company's business is organized into four segments: energy and chemicals; mining, industrial, infrastructure, and power; government; and diversified services. Fluor employs over 53,000 workers in more than 100 countries. The company generated $19 billion in revenue and $522 million in adjusted operating income in 2018.