You are more then welcome to use your own shipper number such as UPS or FED EX for all your freight charges. In some cases, you may receive better rates and discounts shipping through your corporate account. If you choose to utilize your own account, a small handling fee may be applied to your order. When shipping FED EX ground, you must supply a FED EX ground account number which is different then a standard FED EX account. For more details or to verify if you have a FED EX ground account please contact FED EX.