5 Biggest Renewable Energy Companies and Stocks

4. Siemens Gamesa Renewable Energy, S.A. (MCE: SGRE.MC)

Total revenue of the company in 2019 (in millions of dollars): 12,370.5

Total profits of the company in 2019 (in millions of dollars): 169.34

Total employees of the company in 2019: 24,500

The company was formed as a result of the merger between Siemens Wind Power and Gamesa. Siemens Gamesa is a Spanish-German wind engineering company. The Sustainability Yearbook compiled annually by S&P Global Inc. (NYSE: SPGI) has named this company several times over the years, recognizing efforts made to promote and achieve sustainability.