Now, the company has decided that there are more supply chain savings to be had and all it has to do to make them happen is keep suppliers from making deliveries to its distribution centers. That's right, Wal-Mart has concluded that it can save money by picking up products directly from its suppliers. According to a Bloomberg News report last week, Wal-Mart has contacted all manufacturers that supply its more than 4,000 stores and warehouse clubs to let them know of its plans to take over the deliveries.