U-Store-It Trust is one of the largest providers of self-storage space in the nation. The company owns and operates more than 380 self-storage facilities constituting nearly 25 million rentable square feet in 27 states. U-Store-It mainly targets states with growing populations. The company's top markets are in California, Florida, and Texas, which provide about 16%, 16%, and 11% of total rentable square feet, respectively.