Global Infrastructure Solutions, a construction company, completed the merger with The LiRo Group, an architecture, engineering and construction firm. Financial terms were not disclosed. “LiRo represents our initial building block in GISI’s new Global Engineering and Consulting Platform and complements what we have achieved in Construction Services with STO Building Group which merged with us in January 2017,” John M. Dionisio, GISI Vice Chairman and Co-Founder.