Vandoren is a well known manufacturer of mouthpiece

Mouthpiece (woodwind)

The mouthpiece of a woodwind instrument is that part of the instrument which is placed partly in the player's mouth. Single-reed instruments, capped double-reed instruments, and fipple flutes have mouthpieces while exposed double-reed instruments and open flutes do not.-Single-reed instruments:On...

s and reeds for clarinet

Clarinet

The clarinet is a musical instrument of woodwind type. The name derives from adding the suffix -et to the Italian word clarino , as the first clarinets had a strident tone similar to that of a trumpet. The instrument has an approximately cylindrical bore, and uses a single reed...

 and saxophone

Saxophone

The saxophone is a conical-bore transposing musical instrument that is a member of the woodwind family. Saxophones are usually made of brass and played with a single-reed mouthpiece similar to that of the clarinet. The saxophone was invented by the Belgian instrument maker Adolphe Sax in 1846...

. Vandoren's products are used by professionals and amateurs around the world.
Vandoren, which was founded in 1905, is now one of the most popular makers of mouthpieces
and reeds for clarinet and saxophone in the world. Begun by Eugene Van Doren (1873-1940), a clarinetist for the Paris Opera, the company did not start really growing until his son, Robert Van Doren (1904-1996), took over the business in 1935.