Commercial Metals Company, a steel and metal manufacturer, completed the acquisition of Tensar, a global provider of engineered civil construction solutions, from Castle Harlan, a company that invests in middle-market companies, for $550m. “Tensar will create a powerful platform for incremental growth into complementary engineered products that target CMC’s largest core market, construction, serving end-use markets and customer segments where we have strong and existing relationships,” Barbara R. Smith, CMC Chairman and CEO.