Many Aren’t Aware of the Common Cause of Concussions, a Significant Workplace Safety Threat By Peter Halldin and Sofia Hedenstierna, Contributors Many of us are at risk of head injuries at work, but for the construction, industrial and manufacturing industries, the risks are far greater. In fact, according to the Centers for Disease Control and Prevention (CDC), the construction industry has the highest absolute number of both fatal and nonfatal traumatic brain injuries of any U.S. workplace.