Portable storage giant Mobile Mini grew total revenues 5.5 percent in 2012, posting $381.3 million compared to $361.3 million in 2012. Fourth-quarter revenue increased 5.1 percent to $100.3 million compared to $95.5 million for the fourth quarter of 2011, the eighth consecutive reporting period of comparable quarter leasing revenue growth, reflecting improvement in yield and utilization.

The company has generated free cash flow for 20 consecutive quarters, Mobile Mini officials noted.

Mobile Mini is based in Tempe, Ariz.