High Quality Content by WIKIPEDIA articles! Alstom is a large multinational conglomerate which holds interests in the power generation and transport markets. According to the company website, in the years 2010-2011 Alstom had annual sales of over €20.9 billion, and employed more than 85,000 people in 70 countries. Alstom`s headquarters are located in Levallois-Perret, near Paris. Its current CEO is Patrick Kron.