The air transportation industry in Australia is a crucial part of the country's transportation system, with domestic airlines generating approximately $15.1 billion in revenue. The industry is dominated by Qantas Airways and Virgin Australia Holdings Limited, which offer scheduled domestic flights, freight transportation, chartered services, and operations of terminals. The market is mature, with moderate growth expected in the coming years. The industry is influenced by factors such as crude oil prices, household income, and customer sentiment. The major suppliers in the industry include aircraft manufacturers, petroleum product suppliers, catering services, and airport operations.