consortia
1.Vinci Construction with Siemens, AECOM and local firms Almabani General Contractors and Consolidated Contractors Co.
2.Bombardier with Yapi Merkezi Insaat, OHL, GS Engineering & Construction, Serco, Mott Macdonald, Parsons Brinckerhoff Arabia and local firms Al Rajhi Holding Group, Al Arrab Contracting Co, Shibh Al Jazira Contracting and Freyssinet Saudi Arabia.
3.FCC Construcción, Alstom, Samsung C&T, Alpine, Strukton Civiel Projecten, SETEC, TYPSA.
4.Strabag with Ansaldo STS, AnsaldoBreda, Stadler Bussnang, Besix, Larsen & Toubro, Hyder Consulting, Worley Parsons, IDOM and local company