In 2015, Black Legend Capital acted as a consulting advisor to Stone Group, a mobile phone manufacturer headquartered in California. Core businesses are mobile phone refurbishment, handset distribution, and global parts supply. Stone Group is a worldwide business with warehouses in Texas, Florida, and mainland China.

At the time of the transaction, their customers included service providers such as Verizon, T-Mobile, and Sprint, as well as mobile phone insurance providers. Their world-class facilities and operations had been awarded with medals from the insurance company, Asurion.