Creation in 1947 by Georges Courtois of the SIAB company.He invents the concept of modular bench which will impose itself on the laboratory layout market. After years of internal and external growth operations, a structure was born: EMSM (Modern Equipment Siab Modulab). In 2008, EMSM joined Delagrave. In December 2019, Delagrave was bought by Costier Finance and became a member of the Lab'Science network.