Save 2-7% on FedEx and UPS! Every package has an on time or it's free guarantee (even Ground); we help enforce it. Refund Retriever has been providing businesses with complete logistics visibility and savings through FedEx and UPS invoice auditing, reports and analytics, contract negotiations, shipping insurance, and freight/LTL rate shopping since 2006. Through Refund Retriever’s sophisticated technology, shippers gain real-time insight on when money is owed to their accounts – as well as clarity to their entire shipping spend. (less)