Trench Shoring Services offers over 40 different sizes and strength ratings of trench shields in our standard rental inventor ... ies, located in Regional Distribution Centers throughout the United States. Our current rental inventory includes thousands of individual trench boxes available as a nationwide rental fleet. In addition to Steel Trench Boxes, our inventory includes Aluminum Shields, H Beams, Road Plates, Shoring Plates, Bridge Panels, Manhole Options, Pipe Plugs, and Much More! read more