Computing today encompasses a set of technologies, know-how, activities
industrial and commonplace uses that have invaded all of our professional lives
and private. A group of actors as important as they are unknown and who have largely contributed to
this development is the sector of what has come to be known today as SSII (companies
IT services and engineering), represented in France for the most part by the
Syntec informatique (1). By SSII it is necessary to understand the pure SSII and also the editors of
software, and the services part of computer and telecommunications equipment manufacturers