Zenith - Passenger Service System (PSS) (ex-TTI acquired by CitizenPlane in 2024)
IT System Custom Software DevelopmentÎle-de-france, France11-50 Employees
In 2024, Zenith Passenger Service System (PSS) (ex-TTI) merged with CitizenPlane, marking a new chapter for both Zenith and airline IT. Following the merger, Zenith—our flagship Passenger Service System (PSS)—became a foundational component of the CitizenPlane Operating System (OS), a modular, all-in-one platform designed to support offer creation, revenue optimization, distribution, and delivery. We continue to proudly serve a broad spectrum of mid-tier airlines and fast-growing carriers across the Americas, EMEA, and APAC regions. Our reputation as a leading provider of SaaS solutions for airlines, established since our founding in 2004, now lives on under the CitizenPlane brand.
1-888-653-2347 
support@leadiq.com 
