1945 to 2001 Siemens

a 1973 siemens electron microscope on display @ musée des arts et métiers in paris.

the company s first digital telephone exchange produced in 1980. in 1988, siemens , gec acquired uk defence , technology company plessey. plessey s holdings split, , siemens took on avionics, radar , traffic control businesses—as siemens plessey.

in 1985, siemens bought allis-chalmers interest in partnership company siemens-allis (formed 1978) supplied electrical control equipment. incorporated siemens energy , automation division.

in 1987, siemens reintegrated kraftwerk union, unit overseeing nuclear power business.

in 1991, siemens acquired nixdorf computer ag , renamed siemens nixdorf informationssysteme ag, in order produce personal computers.

in october 1991, siemens acquired industrial systems division of texas instruments, inc, based in johnson city, tennessee. division organized siemens industrial automation, inc., , later absorbed siemens energy , automation, inc.

in 1992, siemens bought out ibm s half of rolm (siemens had bought rolm 5 years earlier), creating siemensrolm communications; dropping rolm name later in 1990s.

in 1997, siemens agreed sell defence arm of siemens plessey british aerospace (bae) , german aerospace company, daimlerchrysler aerospace. bae , dasa acquired british , german divisions of operation respectively.

in october 1997, siemens financial services (sfs) founded act competence center financing issues , manager of financial risks within siemens.

in 1998, siemens acquired westinghouse power generation more $1.5 billion cbs corp , moving siemens third second world power generation market.

in 1999, siemens semiconductor operations spun off new company called infineon technologies. in same year, siemens nixdorf informationssysteme ag became part of fujitsu siemens computers ag, retail banking technology group becoming wincor nixdorf.

in 2000, shared medical systems corporation acquired siemens medical engineering group, becoming part of siemens medical solutions.

also in 2000, atecs-mannesman acquired siemens, sale finalised in april 2001 50% of shares acquired, acquisition, mannesmann vdo ag merged siemens automotive forming siemens vdo automotive ag, atecs mannesmann dematic systems merged siemens production , logistics forming siemens dematic ag, mannesmann demag delaval merged power generation division of siemens ag. other parts of company acquired robert bosch gmbh @ same time. also, moore products co. of spring house, pa usa acquired siemens energy & automation, inc.