The supply side applications that CommerceZone offers are:
VortalSupply
VortalSupply is a browser-based application that enables suppliers to manage purchase orders and change purchase orders on the web through a specific web page on VortalSupply. VortalBuy is integrated into VortalSupply. Through VortalSupply suppliers can access the latest information on purchase orders, delivery information, and payment status pertaining to orders buyers have created using VortalBuy.