Ers 1981 mae GS Yuasa wedi bod yn gyflogwr allweddol ym Mlaenau Gwent, ac mae nifer cynyddol o gwmnïau eraill sy'n gysylltiedig â batris wedi ymuno ag ef, gan gynnwys rhai fel Envirowales, PMB Battery a Deragallera.
Since 1981 GS Yuasa is has been a key employer in Blaenau Gwent, and has been joined by a growing number of other battery related companies, including the likes of Envirowales, PMB Battery and Deragallera.