"Panasonic is running neck and neck with LG Chem to be the leading supplier of batteries for electric vehicles in the world. The company's main customers for batteries are Tesla and Toyota, while LG counts automakers including General Motors, Groupe Renault, Hyundai, Ford Motor Company and Volvo as its main customers."
Above quote is from Tech Crunch:
https://finance.yahoo.com/news/panasonic-explores-european-battery-deal-065110163.html