Skip to main content


CSI Toolboxes

SAP2000 and ETABS have never been smarter. CSI Toolboxes boost the capabilities of CSI applications, automating and enhancing several engineering and design functions.

Lead Contacts

Thornton Tomasetti

Faster, more efficient modeling. Fewer errors. Less time spent on mundane or repetitive tasks. CSI Toolboxes integrate our proprietary engineering logic into Computers and Structures, Inc.’s powerful software. From add-ins for basic geometric manipulations to tools that perform complex data-visualization and highly specialized finite-element analysis, the results are truly greater than the sum of their parts.

Our Team