Quadratus, derived from the Latin ‘quadrare’, meaning to make square and denoting our commitment to excellence in creating exceptional results while adhering to fair business practices: the "square deal". Quadratus Construction Management, Inc. is a Pennsylvania based S-Corporation founded in April 2012. Our founding partners Jim Eck, Ed Chase and Dennis Gregoris (ret.), have together successfully completed projects in the Lehigh Valley and Greater Delaware Valley region over the past twelve years. While we are equipped for any project and often handle custom requests, we specialize in Medical facilities, Office buildings, Hospitality and Multi-Family Residential.