The £1.4 billion contract to run the Crossrail services has gone to Hong Kong-based MTR Corporation.
MTR beat the likes of National Express and Arriva to win the concession, which will be for eight years with an option to extend to 10 years.
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The 34-year-old from Coulsdon in Surrey died during the private party in Headley in the early hours of Monday, Surrey Police said.
The Home Office made the arrests at various restaurants across London on July 4.
Mayor of Newham Sir Robin Wales criticised the International Olympic Committee on the fourth anniversary of the opening ceremony.