As home to supermajors, as well as a plethora of smaller, independent energy players, the US boasts one of the largest concentrations of energy personnel in the world. With its insatiable appetite for energy resources, the United States is the world's single largest consumer of oil, using as much as 20.73 million barrels per day as of 2008. Recently, interest has peaked in the vast quantity of untapped natural gas resources in the US, the reserves of which were inventoried in 2008 at 238 Tcf, with producers specifically targeting the nation's promising shale formations for this energy commodity.
Dispatchers receive calls and assign vehicles to various jobs while ensuring that all operations are handled efficiently. They frequently keep detailed records of calls and assignments for billing purposes, receive and transmit messages, and track vehicles and equipment. They may also monitor the schedules of their fleet and coordinate delivery schedules as needed.