Where is Alstom headquartered?
In Saint-Ouen, France.
Alstom SA is a global leader in rail transport headquartered in Saint-Ouen, France. Founded in 1928, Alstom operates a broad and complex corporate network with 545 subsidiaries across 56 countries. This ownership data is part of CompanyData.com’s verified corporate hierarchy database, which includes more than 380 million companies worldwide.
Alstom has 545 subsidiaries spanning 56 countries. The largest concentrations are in France with 45 subsidiaries, the United States with 80 subsidiaries, and Germany where it controls 28 subsidiaries. These countries represent key markets for Alstom’s rail and transportation systems, contributing significantly to its global footprint.
List of Alstom subsidiaries
Company Hierarchy
| Company | Location | Founded | Employees | Revenue (USD) | Legal Type | CEO | Website | Category Code | Category Description | # in Group | Local HQ Name | Local HQ City | Local HQ Country | National HQ Name | National HQ City | Global HQ Name | Global HQ City | Global HQ Country | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
AlstomAlstomGlobal Headquarter | Saint-ouen-sur-seine, France | 1992 | 45 | $79.8M | Corporation | Philippe Petitcolin | alstom.com | 6719 | Offices of Holding Companies, Not Elsewhere Classified | 546 | ALSTOM | SAINT-OUEN-SUR-SEINE | France | ALSTOM | SAINT-OUEN-SUR-SEINE | ALSTOM | SAINT-OUEN-SUR-SEINE | France | ||
Alstom Transportation Colombia S A SAlstom Transportation Colombia S A SNational HQ | Bogotá, Colombia | 2023 | 3 | $251K | Corporation | Maria Teresita Ramos Gomez | 1611 | Highway and Street Construction, Except Elevated Highways | 546 | ALSTOM | SAINT-OUEN-SUR-SEINE | France | ALSTOM TRANSPORTATION COLOMBIA S A S | BOGOTA | ALSTOM | SAINT-OUEN-SUR-SEINE | France | |||
Alstom Mass Transit CORP.Alstom Mass Transit CORP.National HQ | Plattsburgh, USA | 2021 | 380 | $10.6M | Corporation | William Spurr | alstom.com | 3743 | Railroad Equipment | 552 | ALSTOM | SAINT-OUEN-SUR-SEINE | France | Alstom Mass Transit Corp. | PLATTSBURGH | ALSTOM | SAINT-OUEN-SUR-SEINE | France | ||
Alstom Argentina S.A.Alstom Argentina S.A.National HQ | Cidade Autónoma de Buenos Aires, Argentina | 1993 | 110 | $4.3M | Corporation | Santiago Ortega | alstom.com | 3643 | Current-Carrying Wiring Devices | 546 | ALSTOM | SAINT-OUEN-SUR-SEINE | France | ALSTOM ARGENTINA S.A. | Ciudad de Buenos Aires | ALSTOM | SAINT-OUEN-SUR-SEINE | France | ||
Alstom Metro D'abidjanAlstom Metro D'abidjanNational HQ | Abidjan, Ivorycoast | 2023 | 39 | $3.5M | Benoit Wydemans | 8711 | Engineering Services | 546 | ALSTOM | SAINT-OUEN-SUR-SEINE | France | ALSTOM METRO D'ABIDJAN | Abidjan | ALSTOM | SAINT-OUEN-SUR-SEINE | France | ||||
Alstom Holding Mauritius LTD.Alstom Holding Mauritius LTD.National HQ | Quatre Bornes, Mauritius | 2022 | Lee Sin Chee | 9999 | Nonclassifiable Establishments | 546 | ALSTOM | SAINT-OUEN-SUR-SEINE | France | ALSTOM HOLDING MAURITIUS LTD. | Quatre Bornes | ALSTOM | SAINT-OUEN-SUR-SEINE | France | ||||||
Alstom Transport USA INC.Alstom Transport USA INC.National HQ | Pittsburgh, USA | 2020 | 1,366 | $448.1M | Corporation | Elliot G Sander | bombardier.com | 3743 | Railroad Equipment | 552 | ALSTOM | SAINT-OUEN-SUR-SEINE | France | Alstom Transport USA Inc. | PITTSBURGH | ALSTOM | SAINT-OUEN-SUR-SEINE | France | ||
Alstom Transport USA INC.Alstom Transport USA INC. | Flushing, USA | 8 | Gerald Blower | 4213 | Trucking, Except Local | 552 | Alstom Transport USA Inc. | PITTSBURGH | United States of America | Alstom Transport USA Inc. | PITTSBURGH | ALSTOM | SAINT-OUEN-SUR-SEINE | France | ||||||
Bombardier Transportation (holdings) USA INC.Bombardier Transportation (holdings) USA INC. | Orlando, USA | 35 | Bernie Johnson | bombardier.com/en/home.html | 3743 | Railroad Equipment | 552 | Alstom Transport USA Inc. | PITTSBURGH | United States of America | Alstom Transport USA Inc. | PITTSBURGH | ALSTOM | SAINT-OUEN-SUR-SEINE | France | |||||
Bombardier Transportation Holdings USA INCBombardier Transportation Holdings USA INC | Pittsburg, USA | 30 | John Garnaham | 3743 | Railroad Equipment | 552 | Alstom Transport USA Inc. | PITTSBURGH | United States of America | Alstom Transport USA Inc. | PITTSBURGH | ALSTOM | SAINT-OUEN-SUR-SEINE | France | ||||||
Alstom Transport USA INC.Alstom Transport USA INC. | Denver, USA | 1 | Dave Bernosky | 8742 | Management Consulting Services | 552 | Alstom Transport USA Inc. | PITTSBURGH | United States of America | Alstom Transport USA Inc. | PITTSBURGH | ALSTOM | SAINT-OUEN-SUR-SEINE | France | ||||||
Alstom Transport USA INC.Alstom Transport USA INC. | Grand Lake, USA | 2 | Jose Bosejela | 3732 | Boat Building and Repairing | 552 | Alstom Transport USA Inc. | PITTSBURGH | United States of America | Alstom Transport USA Inc. | PITTSBURGH | ALSTOM | SAINT-OUEN-SUR-SEINE | France | ||||||
Bombardier Transportation (holdings) USA INC.Bombardier Transportation (holdings) USA INC. | Windsor Locks, USA | 1 | Diana McConnel | 3721 | Aircraft | 552 | Alstom Transport USA Inc. | PITTSBURGH | United States of America | Alstom Transport USA Inc. | PITTSBURGH | ALSTOM | SAINT-OUEN-SUR-SEINE | France | ||||||
Alstom Transport USA INC.Alstom Transport USA INC. | Tampa, USA | 1 | John Housley | use-inc.com | 4789 | Transportation Services, Not Elsewhere Classified | 552 | Alstom Transport USA Inc. | PITTSBURGH | United States of America | Alstom Transport USA Inc. | PITTSBURGH | ALSTOM | SAINT-OUEN-SUR-SEINE | France | |||||
Bombardier Transportation (holdings) USA INC.Bombardier Transportation (holdings) USA INC. | Las Vegas, USA | 39 | Reg Brockway | bombardier.com | 3743 | Railroad Equipment | 552 | Alstom Transport USA Inc. | PITTSBURGH | United States of America | Alstom Transport USA Inc. | PITTSBURGH | ALSTOM | SAINT-OUEN-SUR-SEINE | France | |||||
Alstom Transport USA INC.Alstom Transport USA INC. | Warrenville, USA | 6 | 5599 | Automotive Dealers, Not Elsewhere Classified | 552 | Alstom Transport USA Inc. | PITTSBURGH | United States of America | Alstom Transport USA Inc. | PITTSBURGH | ALSTOM | SAINT-OUEN-SUR-SEINE | France | |||||||
Bombardier Transportation Holdings USA INCBombardier Transportation Holdings USA INC | Burlingame, USA | 1 | Marie Hillsinger | 8742 | Management Consulting Services | 552 | Alstom Transport USA Inc. | PITTSBURGH | United States of America | Alstom Transport USA Inc. | PITTSBURGH | ALSTOM | SAINT-OUEN-SUR-SEINE | France | ||||||
Alstom Transport USA INC.Alstom Transport USA INC. | Pell City, USA | 2 | Jim Regan | 5012 | Automobiles and Other Motor Vehicles | 552 | Alstom Transport USA Inc. | PITTSBURGH | United States of America | Alstom Transport USA Inc. | PITTSBURGH | ALSTOM | SAINT-OUEN-SUR-SEINE | France | ||||||
Bombardier Transportation Holdings USA INCBombardier Transportation Holdings USA INC | Alexandria, USA | 3 | Jerry Blower | 8711 | Engineering Services | 552 | Alstom Transport USA Inc. | PITTSBURGH | United States of America | Alstom Transport USA Inc. | PITTSBURGH | ALSTOM | SAINT-OUEN-SUR-SEINE | France | ||||||
Bombardier Transportation Holdings USA INCBombardier Transportation Holdings USA INC | Union City, USA | 10 | Terry Sanders | 3711 | Motor Vehicles and Passenger Car Bodies | 552 | Alstom Transport USA Inc. | PITTSBURGH | United States of America | Alstom Transport USA Inc. | PITTSBURGH | ALSTOM | SAINT-OUEN-SUR-SEINE | France | ||||||
Alstom Transport USA INC.Alstom Transport USA INC. | Miami, USA | 1 | Michael Heffner | veoliatransportation.com | 4111 | Local and Suburban Transit | 552 | Alstom Transport USA Inc. | PITTSBURGH | United States of America | Alstom Transport USA Inc. | PITTSBURGH | ALSTOM | SAINT-OUEN-SUR-SEINE | France | |||||
Bombardier Transportation Holdings USA INCBombardier Transportation Holdings USA INC | Concord, USA | 1 | 3743 | Railroad Equipment | 552 | Alstom Transport USA Inc. | PITTSBURGH | United States of America | Alstom Transport USA Inc. | PITTSBURGH | ALSTOM | SAINT-OUEN-SUR-SEINE | France | |||||||
Alstom Transport USA INC.Alstom Transport USA INC. | Kearny, USA | 4 | Mark Ives | 3743 | Railroad Equipment | 552 | Alstom Transport USA Inc. | PITTSBURGH | United States of America | Alstom Transport USA Inc. | PITTSBURGH | ALSTOM | SAINT-OUEN-SUR-SEINE | France | ||||||
Bombardier Transportation (holdings) USA INC.Bombardier Transportation (holdings) USA INC. | Upper Darby, USA | 2 | Gary Deshane | 4789 | Transportation Services, Not Elsewhere Classified | 552 | Alstom Transport USA Inc. | PITTSBURGH | United States of America | Alstom Transport USA Inc. | PITTSBURGH | ALSTOM | SAINT-OUEN-SUR-SEINE | France | ||||||
Alstom Transport USA INC.Alstom Transport USA INC. | Bath, USA | 1 | Carl Drum | 3441 | Fabricated Structural Metal | 552 | Alstom Transport USA Inc. | PITTSBURGH | United States of America | Alstom Transport USA Inc. | PITTSBURGH | ALSTOM | SAINT-OUEN-SUR-SEINE | France | ||||||
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Alstom’s corporate network is among the 545 subsidiaries mapped in our company ownership database. This shows how Alstom operates worldwide with verified connections to its subsidiaries across 75 countries. Discover how this data reveals the detailed group structure of Alstom and request a free tailored sample.
In Saint-Ouen, France.
About 545 subsidiaries across more than 60 countries.
Alstom is a publicly traded company with diverse shareholders.
Yes. Alstom is incorporated and headquartered in France.
Alstom employs approximately 38,000 people worldwide.
Global presence. Detailed data.
Learn more about Alstom’s global operations, subsidiaries, and corporate links in our updated resources.
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Knowing how a company like Alstom is structured worldwide helps you see how its many parts work together. Our corporate hierarchy data lets you follow the links between Alstom’s global parent company, its national subsidiaries, and local branches. This reveals important information about control, ownership, and business reach. Whether you need details for compliance, market research, or managing customer data, having clear insights into Alstom’s corporate connections is valuable. CompanyData.com offers verified ownership data covering millions of global companies to help you trace who owns what across industries and countries.
At CompanyData.com, we use a clear three-level model to organize Alstom’s corporate information: Global, National, and Local headquarters. This helps you see how each part of the company fits within the overall group.
Each entity has a unique ID to help you connect subsidiaries to their parent companies and map ownership paths clearly across systems.
Control is based on majority ownership. When Alstom or any parent entity holds more than 50% of a company’s shares, we list it as a controlled subsidiary. This allows us to show a straightforward view of Alstom’s complex corporate network by focusing on majority-controlled companies.
This setup helps identify the true decision-makers within Alstom, simplifies regulatory compliance, and aids in risk or acquisition analysis. With verified data on Alstom’s 545 subsidiaries spread across many countries — including 45 in France, 61 in the UK, 28 in Germany, 80 in the USA, 53 in Spain, and others — CompanyData.com provides a reliable way to explore Alstom’s full corporate scope.
For detailed views of Alstom’s subsidiaries in key countries, check options like France, United Kingdom, Germany, USA, or Spain.

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Alstom is a global leader in the rail transport industry, specializing in the design, manufacturing, and servicing of trains and rail infrastructure. Founded in France, Alstom’s headquarters remain in Saint-Ouen, France. The company focuses on providing sustainable mobility solutions, including high-speed trains, metros, trams, and signaling systems, which shape the railway systems worldwide.
Alstom reported total revenues of $15.19 billion, reflecting its strong position in the transportation sector and its expanding global footprint.
Alstom operates across many countries with a network of subsidiaries supporting its operations worldwide. The company has 545 subsidiaries globally, with a strong presence in Europe and North America, including 28 subsidiaries in Germany, 45 in France, 61 in the UK, 80 in the US, 12 each in Canada and Brazil, and 53 subsidiaries in Spain.
Alstom’s detailed company and subsidiary data can be found for specific countries such as France, Germany, UK, USA, and across Europe.
Alstom is committed to sustainable development by providing environmentally friendly rail solutions to reduce carbon emissions and promote cleaner transportation worldwide.
Like many companies in the transport sector, Alstom faces challenges from evolving regulations and the transition towards greener technologies. Its innovation in digital mobility and hydrogen-powered trains positions it well for future growth.
Alstom is a leader in the rail industry with a large network of subsidiaries supporting its global operations. Its focus on innovation and sustainability ensures it remains a key player in shaping future mobility solutions. For current data and detailed company information, refer to official reports and trusted sources.
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You can access verified, detailed data on Alstom SA and all subsidiaries updated daily. This includes company names, registration details, addresses, industry types, financial figures, and key contacts. Data can be downloaded via the Bold Platform, API, or bulk file delivery. Our database offers 100% worldwide company coverage, ensuring thorough and accurate insights.
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