| 2CoolTek | | Sells air-cooled CPU coolers, fans and theremoelectric modules for cooling of hot PC equipment. |
| 3D Cool | | Source for cooling fans, heatsinks and watercooling kits. |
| Acadia Technology Inc. | | Provides a thermal solutions including CPU coolers, aluminum cases, thermal electric coolers, power supplies, and accessories. |
| Accel Thermal | | Manufacturer of heat sinks and electronic cooling products. |
| Alzamela | | Produces an accessory to cool down Mac laptops by raising the laptop off the desk. |
| Bi-Sonic Technology | | Manufacturers and designer of AC cooling fan, DC cross flow fans and brushless motors. |
| Circuit-Test Electronics Ltd. | | Cooling fans, tools, panel meters, breadboards, educational electronic kits, training videos and circuit design software. |
| Cool Innovations Inc. | | Manufacturer of pin fin heat sinks. Available for surface mount components, through-hole components, CPUs and power modules. |
| Cooler Star | | Source for CPU cooling fans and heat sinks. |
| Coolercases UK | | This provides AeroCool CPU coolers, fans, grills, lighting kits, window kits, cables, thumb screws, window stickers and tools. |
| CoolerGuys | | CPU fans and cooling devices. Hard drive cooling and case cooling. |
| CoolMaxx | | Online retailer of computer case cooling hardware and state-of-the-art accessories. |
| CPUMate | | Manufacturer of thermal solutions for AMD and Intel CPUs. |
| Crazy PC | | This site supplies cases, computer cooling, and other computer modification supplies. |
| EVERCOOL | | Manufacturer of PC thermal solutions including Aluminum fans and heat sinks. |
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