World Kinect Corporation operates through three primary business segments: Aviation, Land, and Marine. The Aviation segment supplies jet fuel and comprehensive service solutions to commercial airlines, corporate aircraft, and military customers globally. The Land segment provides fuel, lubricants, natural gas, and power to commercial, industrial, and residential customers, while the Marine segment markets bunker fuel and related services to international shipping fleets. Beyond traditional petroleum products, the company is increasingly focused on energy transition solutions, offering sustainable aviation fuel (SAF), renewable diesel, and carbon advisory services. By leveraging its massive scale and logistics expertise, World Kinect generates revenue primarily from the spread between fuel procurement costs and customer pricing, alongside fee-based management and payment services.