I am a "Yamaha performing artist" and all of my saxophones are Yamahas!
https://usa.yamaha.com/products/musical_instruments/winds/index.html
Saxophones
Yamaha-YTS-875S-Custom Silver plated Tenor
Yamaha-YTS-82Zii-Unlacquered Tenor
Yamaha-YAS-82Zii-Alto
Yamaha-YSS-82Z-Custom Black Lacquer Soprano
Yamaha-YSS-62-Soprano
Yamaha YBS-62 -Bari with low A
Flutes
Muramatsu GX Silver Flute
SELMER SIGNET Alto Flute
Mouthpieces
Bari
Vandoren B25 for Classical
Vandoren V16-B7 for Jazz
Tenor
Francois Louis custom made mouthpiece. A solid silver model that was hand made by Francois Louis in Belgium in 1992. Tip opening is approx. 132.
http://www.francois-louis.com
Alto
Beechler White Diamond S5
www.beechler.com
Soprano
"Woodstone"-Steel Ebonite-Super Custom "Artist" #6
www.wood-stone.jp
Ligatures
I use and endorse Ligaphone ligatures. They really help even out the response in all the registers, and at all volume levels.
http://www.ligaphone.com
Tenor
“Ligaphone” Universal ligature and also the Francois Louis ligature that came with the mouthpiece.
Alto
“Ligaphone” Classical ligature.
Soprano
“Ligaphone” Universal ligature.
Reeds
I play and endorse D'Addario "Select Jazz" 3-Medium unfiled reeds on Tenor, Alto & Bari saxes.
https://www.daddario.com/products/woodwinds/tenor-saxophone/tenor-sax-reeds/
I play and endorse "Ligaphone" # 3 "Jazz" soprano sax reeds.
www.ligaphone.com
Headjoints
I play Drelinger flute headjoints. I use both the silver "Freeflow" and the wooden models.
http://www.drelinger.com
Other gear
I use and endorse Aphex mic preamps. They sound fantastic!
http://www.aphex.com
I use and endorse Bagend speakers both live and in the studio. The BEST sounding speakers around!
http://www.bagend.com
Oleg is a great inventor of saxophone products. I use and endorse his neck straps and palm key risers.
http://www.olegproducts.com