Electronics company Celestica has bought Madge Networks' manufacturing operations in Dublin.
Celestica was formerly ICL's manufacturing division in Europe before it was spun off to make its own way in the world.
ICL is now part of Japanese company Fujitsu.
Celestica will continue to build Madge Networks' products but will also service other customers, it said.
According to Eugene Polistuk, CEO of Celestica, it has an aggressive plan and has made five major acquisitions in the US, Mexico, Canada and the UK in under a year.
Celestica is prominent in the electronics manufacturing services industry, it claimed. Its customers are IBM, ICL, Dell, Sun, HP, Fujitsu, Sequent, and, unsurprisingly, Madge Networks.
Details of the finances involved were not disclosed.
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