Barebones

Amselectronics
Amselectronics, inc., a leader in aluminum chassis.
http://www.amselectronics.com/

Boldata
Boldata
http://www.boldata.com/html/unique.cfm

Com
Com
http://www.satotech.com.au

Hoojum
Hoojum
http://www.hoojum.com/new/html/home.htm

Musicxpc
Musicxpc
http://www.musicxpc.com

Norhtec
Norhtec
http://www.norhtec.com/

Shuttle
Shuttle
http://www.shuttle.com