Match the e-procurement method with its corresponding example. Drag and drop application. industry purchasing sites industry purchasing sites drop zone empty. business function sites business function sites drop zone empty. extranet to major suppliers extranet to major suppliers drop zone empty. company buying sites company buying sites drop zone empty. Office Depot has a number of direct relationships using EDI with thousands of companies. The American Meat Institute, a trade group, has created a website to assist members' purchasing departments in online purchasing and supplier selection. Energy Limited purchases its electricity over a website dedicated to energy management. United Airlines has created a website to assist vendors, providing RFPs and other relevant supplier information