When it comes to the success of the storage industry, there’s definitely no sign of it slowing down. Indeed, despite slow progress in the housing industry, Americans are still in need of portable storage units for a variety of reasons, which accounts for a healthy 7% annual growth in the self-storage industry. So, for those who wish to invest in this market or open their own self-storage business, you’re making a good call! To expand on some of the facts and figures, the Portable Storage Box Company has provided a helpful list of statistics that illustrate just how profitable the industry has become, as well as some detailed diagrams of average storage unit sizes, how much they cost, and their distribution percentage across the country.