Profile: D.P. Nicoli, Inc. offers shoring and piling products for the heavy construction industry. We provide steel trench shields, man-hole shields, aluminum trench shields, and slide rail systems. We stock standard steel trench shield models with standard or heavy duty 4" and 6" double walls. All shields have a heavy-duty steel top pushing plate, and either a flat bottom with a heavy duty steel wear plate, or a reinforced knife edge. The aluminum trench shields are suitable for medium and light-duty applications. They have optional accessories such as stacking pins, legs for additional clearance, lifting chain, and hydraulic or static adjustable spreaders.