TYLin
Premier global infrastructure engineering consultancy renowned for structural innovation, iconic railway bridges, automated guideway transit (APM), mass rapid transit, and high-speed rail engineering.
Europe
COWI
Premier international engineering, consulting, and architecture group globally celebrated for designing world-record railway bridges, mega immersed and bored rail tunnels, and sustainable mass transit networks.
Aarvee Associates
Premier multidisciplinary infrastructure engineering consultancy delivering master planning, detailed engineering design, permanent way alignment, and project management for dedicated freight corridors, high-speed rail, and urban metros globally.
Ramboll
Leading global engineering, architecture, and sustainability consultancy delivering multidisciplinary design, digital rail signalling (ERTMS), and planning for high-speed rail, regional passenger railways, and light rail systems worldwide.
DOHWA Engineering
South Korea’s premier multidisciplinary engineering consultancy delivering comprehensive planning, design, and construction supervision for high-speed rail (KTX), regional express rail (GTX), urban subways, and international railway networks.
Strukton Rail
Full-service European railway infrastructure contractor, technology provider, and maintenance specialist delivering mechanized track construction, catenary electrification, digital signalling (ERTMS), and predictive asset management.
Volker Rail
Premier European multidisciplinary railway infrastructure contractor delivering major track renewals, overhead line electrification (OLE), signalling installation, and 24/7 asset maintenance.
Colas rail
Leading international railway contractor and infrastructure specialist delivering turnkey high-speed rail construction, mechanized track renewal, overhead catenary electrification, and urban mass transit systems worldwide.
SMEC (an SJ Company)
Global engineering, management, and development consultancy providing multidisciplinary design, systems integration, and project management for major railways, heavy haul freight, metro systems, and light rail corridors worldwide.
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Oriental Consultants Global (OC Global / OCG)
Premier Japanese international engineering and infrastructure consultancy delivering end-to-end master planning, feasibility studies, detailed engineering design, and construction supervision for mega railway, mass transit, and high-speed rail networks globally.
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