Cottrell builds Waste Trailer At Cottrell, we pride ourselves on producing top quality products that require engineering and design expertise. We manufacture products using state of the art processes with an experienced staff. Please take a moment and review the latest challenge we recently conquered. The purpose of this mobile unit is to bale various steel items into an easy to carry bundle for trucking companies. This equipment belongs to a company associated with the mobile shredder/baler market. Please contact us at 866-299-2690 with any questions on this new product or other manufacturing needs. “OUR EXPERTISE IS YOUR ADVANTAGE ON THE ROAD”