并非所有出售电源产品的品牌都自行生产电源产品，可以说在DIY市场上出现的大多数电源都是非所贴之牌自己工厂生产的产品，而是交给其他工厂OEM。 但是真实生产者并非无迹可寻，通常电源铭牌的UL Logo下的号码（E******）揭示了电源产品的真实制造者。

大家可以在这个页面查询UL Logo下号码与之对应的厂商：

http://database.ul.com/cgi-bin/XYV/template/LISEXT/1FRAME/gfilenbr.html

为了方便大家查询，下面列出已经查核的厂商列表，供大家参考。

E104405 Sea Sonic Electronics Co Ltd

E104407 Leadman Electronics Co Ltd

E119368 Samsung Electro-Mechanics Co Ltd

E126556 Taiwan Youngyear Electronics Co Ltd

E130843 Topower Computer Industrial Co Ltd

E131500 Pc Power & Cooling Inc

E131881 Delta Electronics Inc

E134014 Enermax Technology Corp

E134129 Powertech Systems Co Ltd

E138711 Moretec Electronics Industrial Co Ltd

E141182 Morex Information Enterprise Co Ltd

E141400 Seventeam Electronics Co Ltd

E142789 Nidec Potrans Corp

E143709 Hipro Electronics Co Ltd

E143756 Zippy Technology Corp

E144195 Sirtec International Co Ltd

E147055 Mapower Electronics Co Ltd

E156513 Power-Win Technology Corp

E161451 Channel Well Technology Co Ltd

E161557 Fortrex Electronic Co Ltd

E161936 Nipron Co Ltd

E164554 L & C Technology Inc

E166947 Enhance Electronics Co Ltd

E172499 Win-Tact Electronics Corp

E175472 Fore Point Industrial Ltd

E175856 Delta Electronics Inc

E176105 Antec Inc

E176239 Etasis Inc

E178102 Jou Jye Electronic Co Ltd

E178768 Wintech Electronics Corp

E181356 Shenzhen Chi Yuan Industrial Co Ltd

E185650 King Case Industrial Co Ltd

E186010 Atng Power Co Ltd

E190414 Fsp Group Inc

E191395 Delta Electronics (Thailand) Public Co Ltd

E193726 Ablecom Technology Inc

E193807 Powertech Systems Co Ltd

E199068 Delta Electronics Inc

E199442 Heroichi Electronic Co Ltd

E199529 Macron Power Technology Ltd

E203196 Deer Computer Co Ltd

E211481 Codegen Technology Co Ltd

E217431 Delta Electronics Inc

E243823 OCZ Technology

E313881 Delta Electronics Inc