Les Marino (President 1967 - 2004) Modern Continental was a construction company based in Cambridge, Massachusetts, which was involved in the "Big Dig" Central Artery/Tunnel Project.

Throughout 2004, Modern Continental Construction endured mounting criticism for its failure to complete multiple projects on schedule and its financial stability was questioned.

These included the Route 3 North highway-widening project in northeastern Massachusetts and a major drinking-water pipeline in the San Francisco Bay Area.

On July 10, 2006, approximately 26 short tons (52,000 lb; 23,500 kg) of concrete and framing materials fell from the ceiling of a tunnel on Interstate 90 in South Boston, Massachusetts.

During the period after the ceiling panel collapse, a memo allegedly written in 1999 by John J. Keaveney, a former Modern Continental employee, to his Project Manager warning of the potential for failure of the hanger system was sent to the Boston Globe.

Keaveney said that he sent it to the Globe with a current Modern Continental employee's name and office address on the envelope because he feared the consequences if it were known that he provided the newspaper with the memo.

[10] In 2010, the company was renamed LMH (LM Heavy Civil Construction, LLC) as part of an emphasis on establishing itself in the industry void once filled by Modern Continental.

di Ravenna (Cooperativa Muratori Cementisti) in 2011 and was held by its subsidiary CMC Holding Overseas S.p.a.[11] LMH performed both site development/earthmoving for private clients and heavy construction for public agencies such as the MBTA and MassDOT.

The MBTA awarded the Wollaston Station Improvements and Quincy Center Garage Demolition contract, valued at $67,867,000, to a Joint Venture of LM Heavy and CMC in June 2016.