S-FRAME Software Inc.
S-FRAME Software Inc., (now part of Altair) formerly SOFTEK Services Ltd. is a Canadian engineering software company that develops analysis and design software for use by civil and structural engineers. S-FRAME was founded in 1981 by George Casoli, FCSCE, P.Eng. The company was acquired in 2021 by Altair Engineering. S-FRAME is on the list of accepted computer programs for use in Hong Kong from the Hong Kong Building Department. Use in notable structures. S-FRAME Analysis and S-CONCRETE were used to create structural models of the Burj Khalifa, currently the world's  tallest building, designed by Chicago, Illinois-based Skidmore, Owings & Merrill LLP (SOM). Bill Baker, Partner at SOM, discussed the use of S-FRAME in his keynote at the 2012 Structural Engineers Association of British Columbia (SEABC) Annual General Meeting, stating that SOM used S-FRAME as it was the program with which their in-house optimization software integrated. Product list. S-FRAME Structural Office consists of: