Vestas Wind Systems A/S is a Danish manufacturer, seller, installer, and servicer of wind turbines. It was founded in 1945, and as of 2021, it is the largest wind turbine company in the world. Vestas has installed more than 117,000 wind turbines in over 80 countries on five continents. The company's headquarters are in Aarhus, Denmark. Vestas has production facilities in Denmark, Germany, India, Italy, Romania, the United Kingdom, Spain, Sweden, Norway, Australia, China, and the United States. Vestas has more than 29,000 employees globally, and its revenue in 2020 was ?14.8 billion.