Aftermarket field service support has evolved from a reactive cost‑center into a strategic differentiator that can shape a company’s profitability, reputation, and long‑term customer loyalty. In today’s highly competitive OEM‑agnostic market, the ability to quickly diagnose and resolve a fault on the customer’s floor is often the decisive factor that separates a brand from its rivals. By deploying a network of skilled technicians, data‑driven diagnostic tools, and real‑time inventory management, companies can dramatically reduce mean time to repair (MTTR) and prevent costly downtime for industrial clients, airlines, or consumer electronics users. Moreover, the aftermarket arm can act as a revenue engine: offering tiered service contracts.