38The Commission also correctly inferred that there is a similar risk of cumulation of aid where an oil company has de facto control over service-station operators, whose freedom is limited by exclusive purchasing and lease agreements. In that case, as is apparent from paragraphs 60 to 66 of this judgment, the oil company may likewise be regarded as the real recipient of the aid granted to the service stations, inasmuch as the grant of such aid renders any PMS clause redundant.