Serge Sellan

Groupe 3S SAS operates as a holding company with interests in providing services to the airlines sector. It provides air ticketing, arrivals, departures, assistance to passengers, maintenance of airports, runways and airplanes as well as providing temporary services in the airports. 3S was founded in December 2002 and is headquartered in Castanet Tolosan, France.

G3s Alyzia SASU operates as a holding company with interests in facility management and cleaning services. The company is headquartered in Ramonville-Saint-Agne, France.

Alyzia SAS provides ground handling works to airlines. The firm engages in passenger service, ramp, cargo, and traffic activities. The company was founded in 1948 and is headquartered in Ramonville-Saint-Agne, France.

Groupement Interactif Des Metiers de Nettoyage Et de provides cleaning and personal services. The private company is based in Ramonville St Agne, France. and has subsidiaries in France. It was founded in 1999.