What brands are using The Sandbox?

Could you please provide me with some insight into the brands that are currently utilizing The Sandbox? I'm quite interested in understanding which companies have recognized the potential of this innovative platform and are leveraging it for their marketing or business strategies. Would you be able to enumerate a few of the more prominent brands that are active within The Sandbox ecosystem? It would be greatly appreciated if you could also provide a brief overview of how these brands are utilizing The Sandbox to further their objectives. Thank you in advance for your assistance.