Phoenix is currently home to several Fortune 1000 companies. Companies in Phoenix include waste management company Allied Waste, electronics corporation Avnet, Apollo Group (which operates the University of Phoenix), mining company Freeport-McMoRan (recently merged with Phoenix-based Phelps Dodge), retailer PetSmart, development company Tempo Creative, energy supplier Pinnacle West and retailer CSK Auto. Honeywell's Aerospace division is headquartered in Phoenix, and the valley hosts many of their avionics and mechanical facilities. Intel has one of their largest sites here, employing about 10,000 employees and 3 chip manufacturing fabs, including the $3 billion state-of-the-art 300 mm and 45 nm Fab 32. American Express hosts their financial transactions, customer information, and their entire website in Phoenix. The city is also home to the headquarters of U-HAUL International, a rental company and moving supply store, as well Best Western, a hotel chain. Mesa Air Group, a regional airline group, is headquartered in Phoenix.