About Refund Retriever LLC: If you ship with UPS or FedEx you cannot afford to not use Refund Retriever. We are a full service small parcel and freight auditing company: we audit all of your packages for lateness and general billing mistakes. If any package (even ground) is delivered late, you should get a full refund for that package! We get you full refunds for late delivered packages, and we give insight into your discounts and shipping habits.