I-DEAS (Integrated Design and Engineering Analysis Software), a computer-aided design software package. It was originally produced by SDRC in 1982.^[1] I-DEAS was used primarily in the automotive industry,^[1] most notably by Ford Motor Company (who standardized on the program^[2]) and by General Motors.^[1] SDRC was bought in 2001 by its competitor, Electronic Data Systems, which had also acquired UGS Corp. (maker of Unigraphics).^[1] EDS merged these two products into NX.^[3] UGS was purchased by Siemens AG in May 2007, and was renamed Siemens PLM Software.^{[citation needed]}

1. ^ ^{a b c d} Carlson, Wayne (2007). "CAD/CAM/CADD/CAE software defines a new field". A Critical History of Computer Graphics and Animation. Retrieved 2010-06-28. 
2. ^ National Research Council (1999). "Current Practices". Advanced Engineering Environments: Achieving the Vision, Phase 1. National Academies Press. p. 12. ISBN 978-0-309-06541-2. 
3. ^ "Unigraphics today". The Unigraphics Virtual Museum. PLM World.