Vianet Group plc is a provider of real time monitoring systems, data management services, and actionable insights for the leisure and vending sectors. The Company's segments include Leisure Services, which includes design, product development, sale and rental of fluid monitoring equipment, data management and related services; Vending, which includes design product development, sale and rental of machine monitoring equipment, data management and related services; Technology, which includes the provision of data management and technology related services, and Fuel Solutions, which includes wet stock analysis and related services. Its Leisure division consists of the core beer monitoring business (including the United States), and gaming machine monitoring. Its subsidiaries include Brulines Trustee Company Limited, Vianet Americas Inc and Vianet Limited.