Catto Propellers specializes in designing and manufacturing efficient and durable propellers for experimental, S-LSA, and E-LSA aircraft. With a history dating back to 1975, Catto Propellers offers custom propeller design and manufacturing services, ensuring high-quality products that meet design requirements. They focus on fixed-pitch propellers and have developed a hydraulic constant speed option for specific aircraft models like Berkut, Velocity, Cozy, and Cub Type. Additionally, Catto Propellers provides structures and manufacturing for custom projects, including drones and EVTOL aircraft, emphasizing quality, durability, and precision in their products.