GRK Manufacturing 
Piano benches and accessories and other music furniture are available from their dealers in the US.
http://www.pianobench.com/Alden Lee Company
Hardwood music room furniture by mail order: instrument stands, music stands, sheet music cabinets, players' seats. Based in Menlo Park, California.
http://www.aldenlee.com/
Katahdin MusicWorks
Handcrafted music stands, cabinets, instrument stands and cabinets, music furniture, musician seating and wall mounts.
http://www.katahdin-online.com/
SoundSeat Seating
Custom-built ergonomic musician's seats and accessories. Located in Salisbury, North Carolina.
http://www.soundseat.com/
Micstands.com
Custom microphone stands made from scrap metal including cultivator spiders and brake discs.
http://micstands.com/
Mister Standman
Handcrafted wooden music stands.
http://www.misterstandman.com/
