Phoenix, AZ - Evaluation and Certification Services, LLC (ECS) has announced the creation of a new group on LinkedIn for the Post Tensioning Ironworker Certification program. The group can be found by searching for "post tensioning" in the group search area of your LinkedIn account, or you can click here to go directly to the site. This new group area will allow examiners, committee members, certified personnel and others interested in the program to view and post news and other discussions.