Filters Clear All Recent Warehouse entryway featuring a yellow OSHA-compliant industrial stair. Industrial stair with a large platform at a loading dock application. Using the SemiStep trailer access step with a dry van trailer being used as a temporary storage solution. An OSHA-compliant stair and catwalk platform system at a wastewater treatment plant. Constructed with industrial-grade aluminum for durable, chemical-resistant, and safe unloading of chemicals from semi-trucks. These OSHA-Certified Semi Trailer Steps are used for Truck Access on a Construction Site and were installed by Plumbers Supply Co.