Constructora Conconcreto S.A. Announced earnings results for the first quarter ended March 31, 2021. For the first quarter, the company announced sales was COP 139,044.017 million compared to COP 169,705.448 million a year ago. Operating income was COP 13,498.962 million compared to COP 34,497.976 million a year ago. Net income was COP 12,587.812 million compared to COP 20,024.053 million a year ago.