Serco Inc. serves the US government by land, sea, and air. The US arm of UK outsourcer Serco Group plc is one of the top private contractors to the US military, the federal government, state agencies, and corporations. Primarily an information technology (IT) services provider, Serco Inc. operates in four divisions: national security and intelligence, IT and professional services, staffing, and engineering and logistics. It has more than 200 contracts to provide program management and administrative support to the military, help with border and port security, and assist the Navy with hazardous waste removal. The company also manages about 65 air traffic control towers for the FAA in the US and its territories.