April 2013 - DGI Supply, a DoAll company based in Wheeling, Ill., bought Merwin-Stoltz, Menomonee Falls, Wis., a distributor of industrial abrasives and cutting tools. DGI will move its local customer service team and inventory from West Allis, Wis., into Merwin-Stoltz’s 20,000-square-foot facility. DGI has 49 sales offices in North America.