Employees may report a Caterpillar IT asset lost or stolen by contacting the Enterprise Service Center (ESC). In the U.S., dial 1-309-494-4357 or 1-866-685-4357. For employees outside the U.S. or for your local Service Center, click here (log in required) to access the appropriate contact information. Or, to initiate a chat with the ESC or access other self-service features, visit: ITatWork.cat.com.