Intergraph Corporation was an American software development and services company, which now forms part of
Hexagon AB. It provides enterprise engineering and geospatially powered software to businesses, governments, and organizations around the world, and operates through three divisions: Hexagon Asset Lifecycle Intelligence (ALI, formerly PPM), Hexagon Safety & Infrastructure, and Hexagon Geospatial. The company's headquarters is in
Madison, Alabama, United States.
In 2008, Intergraph was one of the one hundred largest software companies in the world. In July 2010, Intergraph was acquired by
Hexagon AB.
History

Intergraph was founded in 1969 as M&S Computing, Inc., by former
IBM engineers Jim
Meadlock, his wife Nancy, Terry Schansman (the S of M&S), Keith Schonrock, and
Robert Thurber who had been working with
NASA and the
U.S. Army in developing systems that would apply
digital computing
A computer is a machine that can be programmed to carry out sequences of arithmetic or logical operations ( computation) automatically. Modern digital electronic computers can perform generic sets of operations known as programs. These pro ...
to real time missile guidance. The company was later renamed to ''Intergraph Corporation'' in 1980.
One of Intergraph's major hardware projects was developing a line of workstations using the
Clipper architecture created by
Fairchild Semiconductor
Fairchild Semiconductor International, Inc. was an American semiconductor company based in San Jose, California. Founded in 1957 as a division of Fairchild Camera and Instrument, it became a pioneer in the manufacturing of transistors and of int ...
. Intergraph was one of only two companies to use the chips in a major product line. Intergraph developed their own version of
UNIX for the architecture, which they called CLIX. In 1987, Intergraph bought the Fairchild division responsible for the chip.
In 1997, Intergraph began pursuing litigation against
Intel and other computer hardware manufacturers based on the intellectual property developed in Clipper. Intergraph negotiated major settlements with Intel,
HP,
Texas Instruments and
Gateway, earning the company over $394M. In 2000, Intergraph exited the hardware business and became purely a software company. On July 21, 2000, it sold its Intense3D graphics accelerator division to
3Dlabs
3Dlabs was a fabless semiconductor company. It was founded in 1994 with headquarters in San Jose, California. It originally developed the GLINT and PERMEDIA high-end graphics chip technology, that was used on many of the world's leading computer g ...
, and its
workstation and
server division to
Silicon Graphics.
On November 29, 2006, Intergraph was acquired by an investor group led by
Hellman & Friedman LLC,
Texas Pacific Group and JMI Equity, making the company privately held. On October 28, 2010, Intergraph was acquired by
Hexagon AB. The transaction marks the return of Intergraph as part of a publicly traded company.
As part of the Hexagon acquisition, Hexagon moved the management of ERDAS, Inc. from under
Leica Geosystems to Intergraph, and Z/I Imaging airborne imaging sensors from under Intergraph to Leica Geosystems.
On December 2, 2013, the geospatial technology portfolio was split out from under the Intergraph Security, Government and Infrastructure division to form the Hexagon Geospatial division. On October 13, 2015, the Intergraph Security, Government & Infrastructure division was rebranded as Hexagon Safety & Infrastructure. On January 9, 2017, the Intergraph Government Solutions division was rebranded as Hexagon US Federal.
On June 5, 2017, the Intergraph Process, Power & Marine division was rebranded as Hexagon PPM.
On June 6, 2022, the Hexagon PPM division was rebranded as Hexagon Asset Lifecycle Intelligence.
References
External links
{{Hexagon AB
Companies based in Huntsville, Alabama
Software companies based in Alabama
Software companies of the United States
GIS software companies