American Science and Engineering

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American Science and Engineering, Inc.
Subsidiary of OSI Systems
Traded as NASDAQ: ASEI
Industry Instrumentation
Founded 1958
Headquarters Billerica, Massachusetts
Revenue $126.7 million (2015)[1]
Number of employees

American Science and Engineering Inc, (AS&E) is an American manufacturer of advanced X-ray equipment and related technologies, originating in 1958 as a developer for NASA, with an early focus on X-ray astronomy led by Riccardo Giacconi.[1] Among other developments Giacconi's team made possible the Einstein Observatory (the first full imaging X-ray telescope, launched 1978), and Giacconi's work at AS&E saw him win the 2002 Nobel Prize in Physics.[1]

Among other things, AS&E provides both transmission X-ray and backscatter X-ray equipment for airports, seaports, critical infrastructures, border crossings and other locations where security scanning is required. AS&E has also developed a mobile backscatter X-ray van (ZBV).[3][4]

In June 2016, OSI Systems offered to purchase the company for $269 million, After approval by regulators and shareholders, the deal competed before the end of 2016.[2]

In the 12 months ending March 31, AS&E made $64 million profit on $278 million revenue.[1]


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