The document discusses the annual Top 100 report from PwC that analyzes the 2013 financial performance of major aerospace companies. It finds that the industry has experienced steady revenue growth averaging 5.6% per year since 2005, showing the ongoing strength of the civil aviation market. Boeing maintained its top position with record revenue and profit in 2013, while Airbus also saw strong growth. Overall, the top 20 companies accounted for over 75% of the industry's revenue and profits. The outlook remains positive, though economic uncertainties could pose challenges in the coming years.