Private company

Computers and Structures

Logo: The logo is from the following website: http://www.csiberkeley.com/ http://www.csiberkeley.com/, Non-free logo, via Wikipedia3

American engineering software company

Computers and Structures, Inc. (CSI) is a structural and earthquake engineering software company founded in 1975 and based in Walnut Creek, California, with additional office location in New York. The structural analysis and design software CSI produce include SAP2000, CSiBridge, ETABS, SAFE, PERFORM-3D, and CSiCOL. One of Computer and Structure, Inc.'s software, ETABS, was used to create the mathematical model of the Burj Khalifa, currently the world's tallest building, designed by Chicago, Illinois–based Skidmore, Owings & Merrill LLP (SOM).2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

1975Founded1

Computers and Structures, Inc. (CSI) is a structural and earthquake engineering software company founded in 1975 and based in Walnut Creek, California, with additional office location in New York. The structural analysis and design software CSI produce include SAP2000, CSiBridge, ETABS, SAFE, PERFORM-3D, and CSiCOL.2

Timeline

  1. 1975Founded Founded in Berkeley1