Heidelberg Materials has entered into a definitive purchase agreement to acquire The SEFA Group Inc., the largest U.S. source of harvested fly ash processed to ASTM C 618 performance. Based in Lexington, S.C., SEFA Group supplies ash to 800 concrete plants in 13 states, and spans five business units, five utility partners, 20 locations and a 500-plus payroll. Leading the…
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