MasTec, an American multinational infrastructure engineering and construction company, completed the acquisition of FNF Construction, a vertically integrated provider of heavy civil construction services, from investment firm J.H. Whitney & Company. Financial terms were not disclosed. The acquired company has the ability to conduct the bulk of project work in-house, including supplying aggregate, asphalt production, earthwork and grading, concrete and bridge structures, underground pipework, and concrete paving.