Who made cadet trumpets?

Cadet trumpets, often used in military and Marching Bands, are typically made by various instrument manufacturers specializing in brass instruments. Some well-known brands include Bach, Yamaha, and Conn. These manufacturers design cadet trumpets to be lightweight and durable, catering to the needs of young musicians and marching ensembles. The specific production often varies by region and demand, with many local artisans also creating custom models.