Tonner Drones SA (formerly Delta Drone SA) develops proprietary drone technologies and provides solutions for military, security, logistics, and professional sectors; its core products include the Inhibitor system for drone stabilization after recoil, Countbot for automated warehouse inventory, ISS Spotter filaire and automatic for security surveillance, and Spotter Bot for mobile video security trailers. The company holds equity stakes in French drone manufacturers, pursues an asset-light model with active asset management and strategic partnerships to consolidate the industry, and generates royalty revenues from its patent portfolio, including a recent U.S. patent for the Inhibitor obtained in April 2025. Tonner Drones maintains research and development in France at its Cannes facility and operates a U.S. office in Washington DC near the Pentagon; founded in 2011 and headquartered at 1 Avenue Alexandre Pascal in Cannes, France, it is owned by Ott Heritage (France) and Courcelette Holdings (Texas) with approximately 20 collaborators targeting global markets in military, homeland security, and logistics. Recent developments encompass a capital increase with preferential subscription rights launched in September 2025, CEO stake increase to 13% alongside debt restructuring in May 2025, addition of new board members in May 2025, H1 2025 business update and strategic outlook in July 2025, and publication of 2024 annual results in April 2025. The company changed its name from Delta Drone SA to Tonner Drones SA in October 2023 to reflect its strategic shift toward military and advanced drone applications.