Bob Reeves Brass Mouthpieces: Information on alterations, valve alignments and brass mouthpieces. Custom and stock mouthpieces are available.
Buzz extension and retention piece: Manufacturer of mouthpiece clamps.
Curry Precision Mouthpieces: Mouthpieces and accessories for brass players. Includes dealer listing.
Fat Cat Instrument Co., Inc.: Non-toxic music instrument oil and tuning slide grease. Product descriptions and list of dealers.
Griego Mouthpieces: Specializes in trombone mouthpieces and leather accessories.
MMP Brasswind Mouthpieces: Located in Luedenscheid, Germany. The site contains specifications, price lists, games, and warmup exercises.
Stork Custom Mouthpieces: Custom-made and stock mouthpieces. Located in Plainfield, Vermont, USA.
Warburton Music Products: Manufacturer of mouthpieces featuring a 2-piece design. One and three piece models and customization also available.
Zaja Musical Products: Valve oil, lubricants and accessories for brass instruments. FAQ and product descriptions.