public BillingCompany(ILegalEntityInformation legalEntityInformation, IList <IStation> stations, IList <ITerminalContract> contracts)
 {
     LegalEntityInformation = legalEntityInformation;
     Stations  = stations;
     Contracts = contracts;
 }
 public static IBillingCompany CreateNewCompany(ILegalEntityInformation legalEntityInformation, IList <IStation> stations)
 {
     return(new BillingCompany(legalEntityInformation, stations));
 }