Aftermarket success for OEMs depends heavily on providing exemplary service and having parts available when customers need them. To meet these goals, OEMs must invest in technician training, leverage value-add services, and monitor inventory levels. Customer satisfaction is no longer a value-add ? it is a key differentiator and the foundation of business success for field service organizations. Companies expect their machinery OEMs to provide the level of service and support that will allow them to operate at peak efficiency.