| Company | City and State | URL | Type |
| Abbott Technologies | Sun Valley, CA | http://www.abbott-tech.com | AC/DC |
| Acopian Power Supplies | Easton, PA | http://www.acopian.com | DC/DC, AC/DC,Brick |
| Advanced Power Solutions | Pleasonton, CA | http://www.advpower.com | AC/DC |
| American Reliance | San Diego, CA | http://www.amrelpower.com | DC/DC |
| Ametek Programmable Power | San Diego, CA | http://www.programmablepower.com | DC/DC, AC/DC |
| Arnold Magnetics Corp. | Camarillo, CA | http://www.amcpower.com | DC/DC, AC/DC |
| Astrodyne Corp. | Mansfield, MA | http://www.astrodyne.com | DC/DC, Encapsulated |
| B&B Electronics, Inc. | Ottawa, IL | http://www.bb-elec.com | DC/DC, AC/DC |
| B&K Precision | Yorba Linda, CA | http://www.bkprecision.com | AC/DC |
| BALLUFF Inc. | Florence, KY | http://www.balluff.com | AC/DC |
| Behlman Electronics | Hauppauge, NY | http://www.behlman.com | DC/DC, AC/DC, HV |
| Bel | Jersey City, NJ | http://www.belfuse.com | DC/DC, AC/DC |
| Bel Power Inc. | Westborough, MA | http://www.belpower.com | DC/DC, AC/DC, Brick |
| Benning Power Electronics | Richardson. MA | http://www.benning.us. | AC/DC |
| Beta Dyne | Bridgewater, MA | http://www.beta-dyne.com | AC/DC, Encapsulated |
| Bias Power, Inc. | Buffalo Grove, IL | http://www.biaspower.com | AC/DC, Encapsulated |
| CUI | Tualatin, OR | http://www.cui.com | DC/DC, AC/DC, Bus Converter, POL, Encapsulated |
| Cincon Electronics Co. Ltd. | Ventura, CA | http://www.cincon.com | AC/DC, Encapsulated |
| Condor Electronics, Inc. | San Jose, CA | http://www.condorelectronics.net | AC Adapter |
| Cosel USA, Inc. | San Jose, CA | http://www.coselusa.com | DC/DC, AC/DC, Encapsulated, POL |
| Crane Aerospace (Interpoint) | Redmond, WA | http://www.crane-eg.com | DC/DC, AC/DC |
| Dawn VME Products | Fremont, CA | http://www.dawnvme.com | AC/DC |
| Delta Electronics Group | Tucson, AZ | http://www.deltaspsu.com | DC/DC, AC/DC |
| Delta Electronics Inc. | Taipei | http://www.deltaww.com | DC/DC, Bus Converter, Encapsulated |
| Delta Elektronika BV | Zierikzee | http://www.delta-elektronika.nl | DC/DC |
| Delus Power | Guangzhou | http://www.deluspower.com | DC/DC, AC/DC, SIP/DIP, Encapsulated |
| Diversified Technologies, Inc. | Bedford, MA | http://www.divtecs.com | AC/DC, Encapsulated |
| DongAh Elecomm USA | Richardson, TX | http://www.dongahusa.com | AC/DC, Encapsulated |
| EMCO High Voltage Co. | Sutter Creek, CA | http://www.emcohighvoltage.com | DC/DC, Encapsulated |
| Elpac Power Systems | Westchester, IL | http://www.iccnexergy.com | AC/DC |
| Eltek | Richardson, TX | http://www.eltek.com | AC/DC |
| Emerson Network Power | Carlsbad, CA | http://www.emersonnetworkpower.com | DC/DC, AC/DC, Brick |
| Enpirion | Hampton, NJ | http://www.enpirion.com | DC/DC, Bus Converter |
| Eplax | Bremen | http://www.eplax.de | DC/DC, AC/DC |
| Ericsson Power Modules | Stockholm | http://www.ericsson.com | DC/DC, AC/DC, Brick, Bus Converter, POL |
| Exar Corp. | Fremont, CA | http://www.exar.com | POL |
| Excelsys Technlogies | Rockwall, TX | http://www.excelsys.com | AC/DC |
| FDK America | Sunnyvale, CA | http://www.fdkamerica.com | DC/DC, POL, Brick |
| FSP Group | Taoyuan | http://www.fsp-group.com.tw | AC/DC |
| GAIA Converter | Bordeaux | http://www.gaia-converter.com | DC/DC, AC/DC, Encapsulated |
| GE Critical Power | Dallas, TX | http://www.lineagepower.com | DC/DC, AC/DC, Brick, Bus Converter, POL |
| GE Energy Power Electronics | Dallas, TX | http://www.ge-energy.com | DC/DC, AC/DC, Brick |
| Glassman High Voltage Inc. | High Bridge, NJ | http://www.glassmanhv.com | DC/DC, HV |
| Global Specialties | Yorba Linda, CA | http://www.globalspecialties.com | AC/DC |
| Golden Pacific Electronics | Placentia, CA | http://www.gpelectronics.com | DC/DC, AC/DC |
| HiTek Power Inc. | Littlehampton | http://www.hitekpower.com | DC/DC, AC/DC, HV |
| High Voltage Power Solutions | Dallas, TX | http://www.hvpowersystems.com | DC/DC |
| ICCNexergy Inc. | Chicago, IL | http://www.iccnexergy.com | AC/DC |
| ITT Exelis | West Springfield, MA | http://www.exelis-ps.com | DC/DC, AC/DC, HV |
| Internatioanl Power DC Supplies | Oxnard, CA | http://www.internationalpower.com | DC/DC, AC/DC |
| Kepco Inc | Flushing, NY | http://www.kepcopower.com | DC/DC, AC/DC |
| Kikusui Electronics Corp. | Yokohama | http://www.kikusui.co.jp | AC/DC |
| LHV Power Corporation | Santee, CA | http://www.lhvpower.com | AC/DC, AC Adapter |
| Leader Electronics Inc. | New Taipei City | http://www.lei.com.tw | AC/DC |
| Lineage Power (GE) | Dallas, TX | http://www.lineagepower.com | DC/DC, Brick, Bus Converter, POL |
| Linear Technology | Milpitas, CA | http://www.linear.com | DC/DC, SIP/DIP, Encapsulated |
| Magna-Power Electronics | Flemington, NJ | http://www.magna-power.com | AC/DC |
| Martek Power | Torrance, CA | http://www.martekpower.com | DC/DC, SIP/DIP, Encapsulated |
| Mean Well USA Inc. | Fremont, CA | http://www.meanwellusa.com | DC/DC, AC/DC, Encapsulated |
| MicroPower Direct | Stoughton,MA | http://www.micropowerdirect.com | DC/DC, AC/DC, Encapsulated |
| Murata Power Solutions | Mansfield, MA | http://www.murata-ps.com | DC/DC, AC/DC, POL, Encapsulated |
| N2Power, Inc. | Simi Valley, CA | http://www.qualstar.com | DC/DC, AC/DC |
| Neeltran, Inc. | New Milford, CT | http://www.neeltran.com | AC/DC |
| NetBit Electrionics, Inc. | Brooklyn, NV | http://www.netbit.com | AC/DC |
| North Atlantic Industries | Bohemia, NY | http://www.naii.com | AC/DC, Brick |
| Oltronix Industrial Power Supplies BV | Leek | http://www.oltronix.nl | AC/DC |
| Omron Electronix, Inc. | Tokyo | http://www.omron.com | DC/DC, AC/DC |
| Phihong | Fremont,CA | http://www.phihong.com | AC/DC |
| Picor | No. Smithfield, RI | http://www.vicr.com | DC/DC,POL,Encapsulated |
| Pioneer Magnetics | Santa Monica, CA | http://www.pioneermag.com | DC/DC, AC/DC |
| Polytron Devices | Paterson, NJ | http://www.polytrondevices.com | DC/DC, AC/DC, Encapsulated |
| Power Mate Technology Co. Ltd. | Taichung City | http://www.pduke.com | DC/DC, AC/DC, Brick |
| Power-One | Camarillo, CA | http://www.power-one.com | DC/DC, AC/DC, Brick, Bus Converter, POL |
| PowerGate LLC | Santa Clara, CA | http://www.powergatellc.com | Distributor, AC/DC, Encapsulaed |
| Powerbox AB | Gnesta | http://www.powerbox.com | DC/DC, AC/DC |
| Powerstax plc | Farnborough | http://www.powerstaxplc.com | DC/DC, AC/DC, Brick |
| RECOM Power Inc. | Brooklyn, NY | http://www.recom-power.com | DC/DC, AC/DC, Encapsulated |
| Rantec Power Systems Inc. | Los Osos, CA | http://www.rantec.com | DC/DC, AC/DC |
| Roal Electronics | Castelfidardo | http://www.roallivingenergy.com | AC/DC, Encapsulated |
| SL Power Electronics | Ventura, CA | http://www.slpower.com | DC/DC, AC/DC |
| Sanken Electric Co. Ltd. | Tokyo | http://www.sanken-ele.co.jp | DC/DC, AC/DC, AC Adapter, Encapsulated |
| Semiconductor Circuits, Inc. | Atkinson, NH | http://www.dcdc.com | DC/DC, AC/DC, Encapsulated |
| Shindengen Electric Mfg. Ltd. | Tokyo | http://www.shindengen.co.jp | DC/DC, AC/DC, SIP/DIP |
| Snaptec Australia, Pty., Ltd. | Kings Park NSW | http://www.snaptec.com.au | DC/DC, AC/DC, Encapsulated |
| SolaHD | Rosemont, IL | http://www.solahd.com | AC/DC |
| Sparkle Power, Inc. | San Jose,CA | http://www.sparklepower.com | DC/DC, AC/DC, Encapsulated |
| Spellman High Voltage Electronics Corporation | Hauppauge, NY | http://www.spellmanhv.com | DC/DC, AC/DC, HV |
| Stontronics Ltd. | Berkshire | http://www.stontronics.co.uk | DC/DC, AC/DC |
| Sunpower Technology Corp. | New Taipei City | http://www.sunpower.com.tw | DC/DC, AC/DC |
| SynQor | Boxborough, MA | http://www.synqor.com | DC/DC,AC/DC, Brick, POL |
| TDK-Lambda | San Diego, CA | http://www.tdk-lambda | DC/DC, AC/DC, Brick, Bus Converter, POL |
| TESLAco | Irvine, CA | http://www.teslaco.com | AC/DC |
| Taiyo Yuden (USA) Inc. | Schaumburg, IL | http://www.t-yuden.com | DC/DC, AC/DC, Encapsulated |
| Tamura Corp.of America | Escondido, CA | http://www.tamuracorp.com | DC/DC, AC/DC |
| Tectrol | Toronto, Ontario | http://www.tectrol.com | AC/DC, Brick |
| Telkoor Power Supplies Ltd. | Netanya | http://www.telkoor.com | DC/DC, AC/DC |
| Texas Instruments | Dallas, TX | http://www.ti.com | DC/DC, Bus Converter, POL, SIP/DIP |
| Traco Power | Zurich | http://www.tracopower.com | DC/DC, AC/DC, Encapsulated, SIP/DIP |
| Tri-Mag | Visalia, CA | http://www.tri-mag.com | DC/DC, AC/DC |
| Tumbler Technologies + TRUMPower | Santa Clara, CA | http://www.TRUMPower.com | AC/DC |
| Ultravolt | Ronkonkoma, NY | http://www.ultravolt.com | DC/DC, AC/DC, HV |
| Unipower Inc. | Coral Springs, FL | http://www.unipowercorp.com | DC/DC, AC/DC |
| VPT Power | Blacksburg, VA | http://www.vptpower.com | DC/DC, Bus Converter, POL, Encapsulated, Rad Hard |
| Vicor (COTS) | Andover, MA | http://www.vicr.com | AC/DC, Brick |
| Vicor Corp. | Andover, MA | http://www.vicr.com | DC/DC, AC/DC, Brick, Bus Converter, POL |
| Volgen | San Jose, CA | http://www.volgen.com | DC/DC, AC/DC, Encapsulated |
| Wilorco | Long Beach, CA | http://www.wilorco.com | DC/DC, AC/DC |
| XP Power | Sunnyvale, CA | http//www.xppower.com | DC/DC, AC/DC, Brick, Bus Converter, POL |
| Zalman | Seoul | http://www.zalman.co.kr | AC/DC |
HV = High Voltage
POL = Point Of Load
