Home Airlines Airlines AIRLINE INFORMATION, FACTS & REVIEWS A company that provides an air transport service is called an Airline. Usually they transport passengers and/or freight and use planes or helicopters to supply these services. Airlines come in many sizes, from small charter domestic companies to full-service international airlines and they can be recognised when they have an operating certificate issued by a Governmental Aviation Body. WeWorkWithPlanes.com offers a list of most Airlines from around the world. Search Information regarding an Airline - Add Comments and Post Reviews.