Caterpillar

- 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