United Rentals - - Responsibilities: Reconcile internal and external systems to ensure all outstanding invoices have been submitted to the customer; Responsible for invoicing/e-invoicing of customers and processing of invoices through various accounting systems and external websites; Act as main focal point for all new customer requested specialized invoicing and developing of processes and procedures; Assist in collection of difficult, larger national, strategic, industrial or other key accounts; Prepare detailed tracking system to track purchase order values, invoiced amounts and remaining available values