1.LafargeHolcim Ltd
2.Skanska AB
3.Acciona
S.A.
4.HeidelbergCement AG
5.Kier Group plc
6.Sika AG
7.Balfour Beatty plc
8.Foster + Partners Limited
9.CRH plc
10.Carillion plc
(Note: The companies list can be customized based on the client requirements)