Perfecting improvement While lean and continuous improvement have been part of the culture for some time at Flowserve Corp., Keith Regan learns how the company is looking to extend its initiatives into supply chain and logistics. Although Flowserve Corp. celebrated its 10th anniversary only recently, the companyÔÇÖs roots reach back more than 200 years to the 1790 founding of Simpson & Thompson. TodayÔÇÖs Flowserve, based in Irving, Texas, was formed by the merger in 1997 of BW/IP and Durco International.