DENVER - Summit Materials, Inc.  NYSE  NYSE SUM , a leading provider of construction materials, has announced the successful completion of its $3.2 billion merger with Argos North America Corp., the U.S. arm of Cementos Argos S.A.  CCB.CN, CEMARGOS CB .
Summit Materials, Inc. (NYSE: SUM) has completed its $3.2 billion merger with Argos North America Corp., the U.S. arm of Cementos Argos S.A. (CCB.CN, CEMARGOS CB).