Company Information. Reilly Construction has been one of the leading construction companies in the industry for over 70 years. Reilly Construction offers the following services: mass excavations/site construction, recycling & custom aggregate process, D.O.T. & F.A.A. construction, land reclamation, rail road, alternative energy and water & sewer structures. To learn more about Reilly Construction go to our website: www.reilly-construction.com. Ge...