For the 8th year in a row, Spend Matters has released its annual “50 Procurement Providers to Know” and “50 Procurement Providers to Watch” lists — plus the 3rd annual “Future 5” list of noted start-ups. Each year, our technology analysts assess the capabilities for an array of companies across 10 procurement technology market sectors to determine the lists totaling 105 vendors in the industry. These represent the best-in-class companies you need to know about as well as the up-and-coming, growing firms to keep your eye on.