Tonner Drones S.A. (formerly Delta Drone S.A.) develops proprietary drone technologies and acts as an industrial consolidator in the professional drone sector for logistics, security, and military applications; it holds equity stakes in French drone manufacturers, manages these assets actively through strategic partnerships with private equity funds, and generates royalty revenues from its patent portfolio, including a specialized drone stabilization system post-recoil known as Inhibitor. The company offers solutions such as INHIBITOR for military drone stabilization, COUNTBOT for automated warehouse inventory logistics, ISS SPOTTER Filaire and Automatique for tethered and autonomous security surveillance, and SPOTTER BOT for mobile video security trailers; these products target military, security, and logistics sectors with global solutions combining human expertise and technology. Founded in 2011 and headquartered in Cannes, France, with a dedicated R&D center there and a bureau in Washington DC near the Pentagon, Tonner Drones operates an asset-light model without direct manufacturing, maintaining French-based research while pursuing international expansion. Recent developments include a name change from Delta Drone S.A. to Tonner Drones S.A. in October 2023, obtaining a U.S. patent for Inhibitor in April 2025, CEO Diede van den Ouden increasing his stake to 13% and completing debt restructuring in May 2025, appointing new board members in May 2025, launching a capital increase with preferential subscription rights in September 2025, and publishing H1 2025 business updates emphasizing strategic outlook in July 2025.