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Jul 28, 2009


Evan Yares

David Weisberg's book, The Engineering Design Revolution (at www.cadhistory.net) shows Intergraph starting in 1969. This is 9 years after McAuto, 6 years after United Computing, and 2 years after SDRC, all of which are predecessors to today's Siemens PLM Solutions.

But then, is Intergraph the oldest CAD company still operating under its original name? No. It was M&S Computing until 1980.

The oldest CAD company continuously operating under the same name and corporate structure would probably be Manufacturing and Consulting Services, which was founded in 1971.

As to the longest serving employee in CAD -- that's probably Pat Hanratty, who founded MCS. Other than him, it'd probably be someone at Siemens PLM, such as George Allen, Chuck Grindstaff, Vic Hambridge, Chris Mehling, Paul Sicking or Wil Valenzuela.


Ralph, we date back to 1963. But to Evan's note, definitely not the oldest under the original name!

As far as the longest serving employee in CAD...we have some who have been here 30-40 years. John Baker is one who has been with us almost 30 years and using NX (aka Unigraphics) for 32 years.

There is a museum on PLM World's website and a timeline on ours for more info.

[Posted by ralphg on behalf of Dora Smith,
Director, Global Social Media]

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