Pearl
- Founded in 1946 in Tokyo, Japan, as Katsumata Musical Instrument Mfg. Co.
- Initially produced sheet music stands and other accessories
- Started making drums in 1950
- One of the largest drum manufacturers in the world
- Known for high-quality drums and hardware
- Endorsed by many famous drummers, including Dennis Chambers, Chad Smith, and Vinnie Colaiuta
Roger
- Founded in 1926 in Stuttgart, Germany, as Roger Drums GmbH
- Started making drums in the 1930s
- Made high-quality drums and hardware until the 1970s
- Closed down in the 1980s
- Acquired by Drum Workshop (DW) in 1992
- DW continues to produce Roger drums under the "DW Collector's Series" brand