•  The Gymnasium Addition for Trinity College
•  Foundations and walls for several of the
  parking  structures at Tyson’s Corner Center
•  The Inn at Mt. Vernon
•  The Discovery Center at the MCI Center
•  The Theatre and Visitor Center for the US
    Navy  Memorial

Work on historic projects includes:

•  The foundations for the re-creation of
    George  Washington’s Round Barn
    at Mt. Vernon
•  A courtyard addition to Dumbsarton Oaks