1. A method of tracking a tagged asset having a tag ID, the method comprising the steps of: receiving a tag ID and a tag reader ID from a tag reader having a coverage zone, wherein the tag is configured to transmit a signal containing the tag ID; updating an asset data including a past location of the tagged asset with a current location for the tagged asset; receiving an equipment request for the tagged asset to be at a specific location; determining whether to fill the equipment request with the tagged asset or with a substitute for the tagged asset; and based upon the determination, filling the equipment request with either the tagged asset of the substitute for the tagged asset.