Sierra Microproducts ships by common carrier such as UPS, FedEx and DHL. We only ship U.S. Mail under special circumstances and additional handling fees may apply. Please check with our sales department if you have any questions regarding shipping methods or fees. If you have a UPS, FedEx or DHL account that you wish to use, we are open to that. We find that some of our largest customers tend to have very aggressive shipping rates based on their high volume of shipments. Sierra Microproducts charges standard rates and does not mark up or make money on freight fees. If you are a local customer, we offer same day delivery via courier on many items. (based on availability) And, counter to counter service nationwide for extremely urgent same day deliveries. If you need the package(s) to ship blind, we have the capacity to blind drop ship and can use your packing slip if provided.