Satellite communications - involving sales of satellites, ground stations and transponder time, communication services as well as the purchase of launches - constitute the largest single source of revenues in the commercial space sector.
Les communications par satellites - qui mettent en jeu la vente de satellites, de stations au sol, de services de communication, la location de transpondeurs, ainsi que l'achat de lancements - constituent à elles seules la source de revenus la plus importante dans le secteur spatial commercial.