Mobile Mini (NASDAQ: MINI) is an American portable storage company based in Phoenix, Arizona, where it was founded in 1983. Their products provide temporary storage for customers such as small businesses. The company manufactures, leases, sells, and transports welded steel cargo containers. These units are converted into storage units, guard shacks, and offices. The lengths of the units are 5 to 45 feet long. Customers customize with up to 100 different configuration options. Mobile Minis lease fleet totals approximately 235,000 portable storage and office units. The company has 136 locations throughout the United States, Canada and the United Kingdom. The company had a market capitalization of about US$580 million as of June 2010, with revenues of about $370 million in 2009. Mobile Mini has grown quickly in the 2000s because of a "diverse customer base, aggressive marketing and variety of storage containers".