Construction Services Shannon provides Construction Management, Project Scheduling, and Cost Control to ensure your project's completed on-time and on-budget. The Shannon Advantage A foundation built on a family legacy... Old world knowledge applied with new world tools... Build on our Foundation. MBA Excellence in Construction Award 2022 Finalist Commonwealth Charter Academy - Johnstown Campus The Feeder Canal Building in Johnstown, PA. has weathered devastating floods, fires, and time. Now it is the beautiful new home of the lucky students at CCA-Johnstown.