Development, maintenance and evolution of a number of IT applications for STAC. Some of these applications are called "scientific and technical" because they allow the implementation of the methods developed and used in the fields of activities of the STAC.

The market includes work / service units based on two types of fixed prices:

- fixed prices corresponding to the execution of a set of services whose deliverables and context are defined in the CCTP.

- lump sums corresponding to the execution of a set of services whose deliverables and context are defined in the CCTP;

- lump sums corresponding to a unit of work including deliverables.