Methods and systems for the efficient tracking of a product or service within the product or service's life cycle within a supply chain. Implementations of the present invention including at least one of a method, a process, a system, an apparatus, a computer-readable medium, and a data stream. The methods and systems of the present invention providing a user with the capability to track an item or order, shipment status, or to check an inventory quantity utilizing any one of a plurality of identification numbers. The methods and systems of the present invention also providing the user with the capability to track an item or order, shipment status, or to check an inventory quantity utilizing a partial identification number. The methods and systems of the present invention further providing for secure access via a globally-distributed computer network, such as the Internet. A graphical user interface is provided that is intuitive and user friendly.