All CUI 1,596 CUI Inc. 1,558 Cincon 1,189 Ault / SL Power 406 XP Power 387 MEAN WELL 235 Inventus Power 133 ETA-USA 132 TDK-Lambda 115 Phihong 91 Power Partners / TT Electronics 62 Advantech 50 Delta Electronics 26 TT Electronics - IoT Solutions 21 Artesyn Embedded Technologies 14 Condor / SL Power 14 IEI 13 Lite-On 9 Digi International 9 Arbor Technology 6