Denso has topped the global auto sales charts for four consecutive years, but revenue has declined

Denso, born out of Toyota Motor, is known as the "Toyota Troika" together with Aisin Seiki and Toyota Boshoku. It owns supporting plants such as JTEKT and Toyota Gosei. Although Denso has topped the global automobile sales for four consecutive years, its revenue last year fell by 15% year-on-year to US$40.723 billion, and its global ranking fell by three places to fifth.