CMI is the worldwide expert in the synthetic sheet piling, offering vinyl, composite and aluminum products as alternatives to steel, concrete and wood sheet piling structures. CMI has the world’s largest vinyl sheet piling fabrication facility, specifically designed to incorporate new advancements in manufacturing technologies. The advanced materials process reduces the carbon footprint of manufacturing and increases the level of quality control. CMI is the only vinyl sheet piling manufacturer to be tested and approved by the United States Army Corps of Engineers and the NRCS. Our products are American made and our research team has patented over two dozen new products and technologies.