Computers and Structures

Founded in 1975, Computers and Structures, Inc. (CSI) is recognized globally as the pioneering leader in software tools for structural and earthquake engineering. CSI’s software is backed by more than three decades of research and development, making it the trusted choice of sophisticated design professionals everywhere.

CSI produces five primary software packages: SAP2000; CSiBridge; ETABS; SAFE; and PERFORM-3D. Each of these programs offers unique capabilities and tools that are tailored to different types of structures and problems, allowing users to find just the right solution for their work.

Computers and Structures, Inc. is headquartered in Walnut Creek, California.