Aerte Group PLC, formerly Mid-States PLC, is a United Kingdom-based company. The Company, along with its subsidiaries, is an environmental technology company focusing on disinfecting air and surfaces through its air disinfection products. The Company operates in the United Kingdom, Continental Europe, North America and worldwide. As of June 30, 2010, the Company operated in one segment: air disinfection. The Company specializes in air disinfection and its flagship product is the AD, which is sold through its subsidiary company Inov8 Science Limited. The AD cleans the air of bacteria and viruses, eliminating airborne infections in enclosed spaces. It is also developing variants of the AD, including a miniature version specifically designed for the retail market. The Company�s wholly owned subsidiaries include AD Science Limited and Inov8 Science Limited.