2001

September

EDS repurchased its 14% stake in UGS, acquired 100% of SDRC and merged UGS and SDRC together to form its PLM Solutions line of business, which the company launched on October 1, 2001 as EDS PLM Solutions.

2003

June

EDS announced it was categorizing PLM Solutions as a complementary subsidiary business rather than a line of business.

2003

November

EDS announced it was changing the name from PLM Solutions to UGS PLM Solutions.

2004

May

The private equity group of Bain Capital, Silver Lake Partners and Warburg Pincus acquires UGS PLM Solutions and changes its name to UGS.

August

UGS relocates from the EDS campus to a new site in Plano, Texas.

2007

January

Siemens announces its intent to acquire UGS for $3.5 billion and make it part of the company's Automation and Drives (A&D) division.

2007

May

Siemens' acquisition of UGS closes and the company's headquarters remain in Plano, Texas.

October

Company's name changes to Siemens PLM Software.

1963

A small software company called United Computing is founded above a hair salon in Torrance, Calif.

1969

United Computing produces its first commercial product, UNIAPT. It's one of the world's first end-user CAM products.

1973

United Computing purchases the ADAM software code from MCS, a company run by CAD/CAM pioneer Pat Hanratty. The code becomes the foundation for a new product - UNI-GRAPHICS.

1975

UNI-GRAPHICS becomes Unigraphics and the first system is sold.

1976

McDonnell Douglas Corporation acquires United Computing, along with its Unigraphics product. United Computing becomes the CAD/CAM division of McDonnell Douglas Automation; a Unigraphics Group was part of the CAD/CAM division, as well.

1980

Unigraphics releases its first true 3D modeling version.

1981

St. Louis, Mo., already home to McDonnell Douglas, becomes the new headquarters of the rapidly growing Unigraphics group. Over the next decade, McDonnell Douglas Automation evolves into McDonnell Douglas Systems Integration (MDSI); Unigraphics is one of its many lines.

1988

MDSI purchases Shape Data, producer of the solid-modeling kernel technology Parasolid.

1990

The first release of a product data management system called Information Manager, or I-Man, hits the market.

1991

EDS Corporation acquires MDSI. The Unigraphics division operates as EDS Unigraphics

1995

Unigraphics starts openly licensing Parasolid to other OEM software developers. The move soon makes Parasolid the industry standard for precise geometric modeling kernels.

1997

EDS sets up its Unigraphics division as a wholly-owned subsidiary called Unigraphics Solutions.

1998

EDS sells a 14 percent minority stake in Unigraphics Solutions through an IPO, trading under the symbol UGS.

Unigraphics Solutions acquires the Solid Edge mid-range CAD product from Intergraph Corporation and establishes Parasolid as the common geometry foundation for its mid-range and high-end CAD solutions.

1999

Unigraphics Solutions acquires dCADE and Applicon. Business Week magazine puts Unigraphics Solutions among the world's top 10 software companies.

2000

Tony Affuso becomes president and Unigraphics Solutions acquires Engineering Animation, adding powerful visualization and collaboration tools to its offering.

2001

Unigraphics Solutions changes its name to UGS to reflect the company's broader offering of "collaborative product commerce" solutions.

1967

Researchers from the University of Cincinnati form SDRC and build a dynamic prediction analysis for a local machine tools manufacturer. The software is voted Best Software for MCAE in 1968.

1972

SDRC's Superb finite element software is introduced. It remains the leading Finite Element Solver until 1985, when it's replaced by the Model Solution application developed with input from NASA.

1975

SDRC introduces Modal Plus, the first modal testing and analysis program. Work also begins on Supertab, an interactive finite element modeling system to work with Superb.

1982

SDRC releases I-DEAS, its flagship CAD/CAM/CAE software. It includes the first automatic mesh generation system, Triaquamesh, based on the first NURBS-based modeler.

1987

SDRC goes public in September 1987

1992

Together SDRC and Control Data Systems form Metaphase Technologies to develop and market Product Data Management software.

1993

SDRC releases the I-DEAS Master Series that includes the Dynamic Navigator, an intuitive application to facilitate design functionality that is now the industry standard.

1995

Ford Motor Company selects I-DEAS as its corporate standard.

1998

Nissan signs a multi-year, $100 million deal with SDRC.

2000

The company acquires Sherpa, expanding its PDM user base to more than 340,000 users.

2001

SDRC acquires Inovie, a company offering Web-based, peer-to-peer collaboration project management software. In turn, EDS acquires SDRC.