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Intergraph Inc.

Develops and sells software, hardware, and services for technical professionals, in computer-aided design, management, and engineering (CAD/CAM/CAE).


Founded in 1969 by Jim Meadlock, Nancy Meadlock, Terry Schansman, Keith Schonrock, Robert ThurberThe name comes from ‘Inter’active ‘Graph’ics

In September 1984 entered the electronic design tool market by investing more than $5 million for a 50% share of Tangent Systems, a two-month-old firm specializing in computer-aided engineering (CAE) software. In April 1988 Intergraph acquired an additional 32 percent of Tangent Systems for $3.5 million. The deal included the company’s additional acquisition of six percent of Cadence Design Systems, Inc. By March 1989 Intergraph changed course entirely, deciding to exchange its 82 percent Tangent ownership for shares in Cadence Design Systems.

  • HQ: Huntsville, AL, USA
  • Other names: M & S Computing
  • Type: Company