Industrial MRO Suppliers: What U.S. Manufacturers Should Actually Look For Every plant manager has a story about the part that wasn't there when it mattered. A bearing, a proximity sensor, a gasket kit — something small enough to fit in a coat pocket, expensive enough in downtime to make the CFO ask questions. That's usually the moment a company starts taking its list of industrial MRO suppliers more seriously than it did the week before. MRO procurement doesn't get the atten