This document discusses the possibility of procurement collaboration between organizations using the Coupa Group Purchasing Program (GPP). It profiles three companies that use Coupa - Avalon Healthcare, Rent A Center, and BBA Aviation - and describes their procurement operations. The document outlines how the Coupa GPP allows companies to form category panels to jointly source from suppliers, formalize contracts, and achieve savings. It provides examples of categories and suppliers involved so far and calls other organizations to join the collaboration effort.