Northrop Grumman Italia (NGI, formerly known as Litton Italia) is a company that designs, develops, manufactures, and supplies position, navigation, and timing (PNT) products. It offers fiber optic gyroscope attitude heading reference systems (FOG AHRS), land navigators, and inertial measurement units (IMUs). The company provides maintenance, repair, and overhaul (MRO), logistics, and technical support services. NGI caters to the aerospace, defense, maritime, and technology sectors.