The global Passenger Service System (PSS) market is expected to grow at a CAGR of 6.2% between 2022 and 2028, with a projected market value of USD 10.73 billion in 2028. The airline inventory system segment is expected to hold the majority share of the market in 2021, accounting for a percentage of the total global PSS market. China, North America, and Europe are the largest markets for PSS, with the proportion of the North American market expected to reach 30% in 2028. The report analyzes key growth factors, strategies employed by prominent players, and regional dynamics that impact the PSS market at the global and regional levels. It also covers critical elements such as market share, revenue graph, supply chain, and application. The report outlines emerging technological developments and RandD spending by key vendors and provides a detailed industry analysis by breaking down the market into specific segments based on type, application, and research regions. Key drivers and barriers, competition, technology, consumer behavior, regulatory environment, economic factors, and emerging trends are also discussed. Prominent players reviewed in the research report include Sirena-Travel JSCS, Mercator Ltd., Travelsky Technology Ltd., KIU System Solutions, Travelport Worldwide Ltd., SITA NV, and Sabre Corp.