Cottrell Employees reach Huge Safety Milestone Cottrell employees have a reason to be very proud. On June 13th, 2010, Cottrell surpassed 4 million working hours with out a lost time accident. As a result, all employees were rewarded with a luncheon and t-shirt honoring the accomplishment. This is a significant achievement as it ranks Cottrell at the top when it comes to safety in industrial manufacturing. This is just another reason why Our Expertise is Your Advantage on the Road!