American Science and Engineering, Inc., together with its subsidiaries, develops, manufactures, markets, and sells X-ray inspection and other detection products for homeland security, force protection, public safety, and other defense and security applications in the United States and internationally. It offers cargo inspection systems, such as non-intrusive inspection systems primarily used for the screening of trucks, cars, cargo containers, pallets, and air cargo at various locations comprising border crossings, seaports, military bases, airports, and cargo and transportation hubs. The companyís cargo inspection systems include OmniView gantry system, a relocatable cargo and vehicle inspection system; Z Portal system, a drive-through inspection system for scanning cargo and vehicles; Sentry Portal system, a drive through transmission X-ray inspection system to screen cargo containers; and ASE Connect, a networking solution. It also provides mobile cargo inspection systems, such as Z Backscatter Van, a mobile X-ray screening system to produce photo-like images of the contents of a vehicle or cargo container; and contract services for the development of custom products primarily for agencies of the U.S. government, as well as maintenance, warranty, engineering, and training services. In addition, the company offers parcel and personnel screening inspection systems comprising Gemini system, a parcel and baggage inspection system; SmartCheck system, a personnel screening system for contraband and threats hidden under a personís clothing; and MINI Z System, a handheld X-ray scanner. It serves authorities responsible for port and border security; customs agencies; military organizations; critical infrastructure and high threat commercial and government facilities; aviation security agencies; and public safety and law enforcement agencies. The company was founded in 1958 and is headquartered in Billerica, Massachusetts.