Carriers refer to entities responsible for the transportation of people, goods, or data. They can be airlines, shipping companies, courier services, or telecommunications providers. In the context of services provided, carriers often offer a range of functionalities depending on the context and industry.

Air Carriers: Companies that transport people and cargo via airplanes, such as airlines. Shipping Carriers: Companies that transport goods by sea, like container shipping lines or freight forwarding companies. Teleservice Carriers: Companies that provide data transmission services, including internet, voice, and text.