Spanish construction giant Sacyr Vallehermoso will invest EUR 127 mln in the development of the new headquarters in Madrid of Spanish oil group Repsol. The new head office will consist of four office buildings connected to each other and will provide a total of 123,000 m[sup]2[/sup] of space. Sacyr, which is the largest shareholder in Repsol with a 20% stake, said it was awarded the contract in a public contest with a number of other construction firms.