-Caterpillar Inc., also known as CAT, is a US-based company that manufactures construction, mining, and other engineering equipment
-Founded in 1925
-The world's largest manufacturer of construction equipment
-Caterpillar's Tucson Campus includes three facilities: The Tucson Mining Center is located in downtown Tucson; The Tucson Proving Ground and Tinaja Hills Demonstration & Learning Center are located south of the city near Green Valley
