Tromba Publications and Endsley Brass
- Custom mouthpieces, replica trumpets, instrument handcrafting, sheet music, and books for brass players.
- http://www.dmamusic.org/tromba/

Mr. Tuba
- New and used tubas. Tuba, baritone, and euphonium mouthpieces.
- http://www.mrtuba.co.uk

Marcinkiewicz Company
- Brasswind mouthpieces, The BuzzZzone method book, and handcrafted instruments.
- http://www.marcinkiewicz.com/

Hickey's Brass Catalog
- Sheet music and accessories for brass instruments and ensembles.
- http://www.hickeys.com/pages/brasscat.htm

Hi Horns
- Authorized dealer of Kanstul brass instruments. Specs of instruments in the catalogue, biography of Hi Horns owner, map and contact information.
- http://www.hihorns.com/