ALTEN is a French multinational technology consulting and engineering company founded in 1988, it has offices in 25 countries.[3][2] ALTEN's stock is listed in compartment B of the Euronext Paris market (ISIN FR0000071946); it is part of the SBF 120, the IT CAC 50 index and MIDCAP 100, and is eligible for the Deferred Settlement Service (SRD).