link by manufacturer

3DfxCOOL
Agilent (HP subdivision)
ALPHA
AMK
Cooler Master
EKL
Foxconn
Global WIN
Greater Cool Technology
intel
JMC Products
Kanie
Malico
nVidia
Overclock Warehouse
RDJD
Swiftech
Taisol
Thermaltake
Titan
Vantec USA
Zalman Tech