Freight Audits - Professionally Managed by Freight Revenue Recovery of Miami, Inc. We are a customer-oriented, service-driven company, providing a full complement of rail, motor, air, ocean and small package freight-bill auditing services. All freight charges, whether inbound or outbound, prepaid or COD, could be entitled to overcharge refunds. Regardless of who initiated the shipment, if your company pays for the freight, you are entitled to claim for overcharge refunds.