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Steel Trench Shields

For more than 40 years, excavation and underground utility contractors have trusted "America's Trench Box Builder" for trench shielding. Efficiency Production trench shields have been the industry standard for excellence and quality. Efficiency offers the widest selection of steel trench boxes, and the most innovative and essential features, options and accessories. All steel trench boxes include Professional Engineer stamped and certified tabulated data which meets OSHA excavation safety requirement.