Len Ainsworth launched Aristocrat Leisure Limited. This name is a popular name in the gaming industry. The company has subsidiaries like Video Gaming Technology, Plarium, Big Fish Games, and Product Madness. The company’s research and administrative headquarters are in the Sydney district of North Ryde. The company also has offices in The US, South Africa, and Russia. This company remains the largest slot provider in the world. It has licenses to operate in different jurisdictions.