We Know Containers The Portable Storage Alliance (PSA) team has two decades of experience successfully developing, implementing and managing portable storage and moving businesses. We have the best-in-class people, products, and services on our team to help you profitably enter the portable storage market. If you have dreamed of opening a portable storage operation to augment your moving, self-storage, or restoration business, we can help you analyze, design, implement, manage and launch a profitable portable storage and moving business.