US HIGH SPEED RAIL ASSOCIATION

Siemens is a leading train manufacturer from Germany with operations in the United States.  Siemens manufacturers a variety of rail cars for different speeds.  Most of the high speed trains in operation in Germany are manufactured by Siemens. 
More info on Siemens

Parsons Brinckerhoff is one of the world's leading planning, engineering, and program and construction management organizations.  Founded in 1885 and headquartered in New York City, PB is a leader in the development and operation of infrastructure to meet the needs of communities around the world.  As the lead planning consultant on the California high speed rail project, PB has extensive experience in high speed rail project planning and design.  More info on PB

US - Japan High Speed Rail is an American firm set up to import Japanese produced high speed trains for the American market.  The Japanese high speed trains have been in operation for 45 years.  More on US - Japan High Speed Rail  

Alstom is a leading train manufacturer from France with operations in the United States.  Alstom manufacturers a variety of rail cars for different speeds, and is a world leader in high speed and very high speed.  One of their trains recently set a world speed record of 357 mph!  All the high speed trains in operation in France are manufactured by Alstom. 
More info on Alstom

Arup is a leading global firm of engineers, designers, planners, architects, consultants, and technical specialists offering a broad range of professional services.  Arup has been involved in high speed rail projects around the world including the recent upgrade to High Speed 1 (HS1) in the UK, as well as many other significant infrastructure and major design projects in numerous countries.           More on Arup

Skidmore, Owings and Merrill (SOM) is a leading architectural and engineering firm formed in Chicago in 1936.  Well known for some of America's skyscraper icons including the Sears Tower, and Burj Khalifa (currently the world's tallest building), SOM has completed over 10,000 projects around the nation and in more than 50 countries around the world.  SOM provides services in architecture, building services, engineering, digital design, graphics, interior design, structural engineering, civil engineering, sustainable design, and urban design and planning.  More on SOM

Virgin Rail Group is a leading train operator in the United Kingdom.  One of the most unique rail operators in the world, Virgin is a profitable, private company running trains in a number of corridors in the UK.  Known for cutting edge services, unique comforts, and competitive prices, Virgin Rail Group takes rail travel to another level.  More on Virgin

Louis Berger Group is an internationally recognized consulting firm that provides engineering, architecture, program and construction management, environmental planning and science, and economic development services.  For nearly 60 years, the firm has over 5,000 employees in 90 countries working across the spectrum for governments, multilateral institutions, and commercial industry. 
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HNTB is a leading firm providing engineering, architecture, planning and construction services for projects across the spectrum.  Specializing in large infrastructure projects, HNTB has been providing its services for nearly a century addressing far-reaching issues of financing, legislation, design, construction, community outreach, and ongoing operations.  More on HNTB

SENER is a global engineering and architecture firm with offices in United States, Europe, Asia, the Middle East, and South America.  SENER has significant experience in all forms of rail project development including high speed rail, metros and light rail, railway stations, and more.  SENER also has expertise in roads, highways, airports, ports, maritime works, hydraulics, environment, architecture, and urban planning.  More on SENER