Navigating the labyrinthine services and departments at X can be a challenge. This tier list aims to shed some light on the essential players, from the administrative powerhouses like the DSI and DRI to the student-focused support systems such as the Career Center and SPIS. We'll also rank the unsung heroes, from the ever-present Service Propreté to the vital Sécu Erige. Whether you're a new student or a seasoned staff member, understanding who does what and how effectively they operate is key to making the most of your X experience. Let's dive in and rank these crucial cogs in the X machine!