The global market for Passenger Service Systems (PSS) is expected to reach USD 10730 million by 2028 with a CAGR of 6.2% during the forecast period of 2022-2028. The airline inventory system segment is predicted to grow at a revised CAGR in the post-COVID-19 period. The market is segmented based on type, applications and regions, and the report provides a comprehensive analysis of growth factors and strategies employed by economic players such as Sirena-Travel JSCS, Mercator Ltd., Travelsky Technology Ltd., KIU System Solutions, Travelport Worldwide Ltd., SITA NV, Sabre Corp., among others. The report also investigates emerging technological developments, R&D spending by key vendors, market segmentation, regional impact, and manufacturing cost structure. The report further covers key drivers, challenges, emerging trends, and potential risks and uncertainties associated with investing in the PSS market.