The Compact Trombone was created by a trombonist from Italy in 1993. Famous for the small size and double slide. This site is written in Italian and English, and requires Macromedia Flash Player.

From trombonist Gary Greenhoe in Jackson, Wisconsin. Famous for the modular Greenhoe Valve and Lever Section, customizing Conn trombones, the Rest Bar, Sonic Suspension, and an invention by trombonist Ralph Sauer called The Brace.

From Rene Hagmann in Geneva, Switzerland. Famous for unique air flow path, and levers with saddle design.

Provided by bass trombonist René Laanen in the Netherlands, the Trombone Page of the World features a comprehensive list of trombone manufacturers, technicians, and mouthpieces.

Based in Huddersfield, West Yorkshire, England and run by trombonists Michael Rath, Andrew Hutchinson, Adrian Davison, and Christopher Beaumont. Famous for the R1 model, the Hagmann valve, as well as a family of sackbuts modelled on instuments made by Anton Schnitzer in the 16th century.

Custom trombone builder. Includes a gallery of instruments and production photographs, and a dealer listing.