Uninterruptible Power Supplies

Accratech, Inc.
Manufacturer of UL 2601(medical and laboratory) listed uninterruptible power supplies (UPS)).
http://www.accratech.com

Advanced Power Technology
Distributor of APC power protection products. UK based.
http://www.advancedpower.co.uk/

AEC
Manufactures uninterruptible power supplies, battery backup products, inverters, rectifiers and generators. Suppliers to the telecommunications, networking and other industries. Based in UK.
http://www.aeceuro.co.uk/

Always On UPS Systems
Manufacturer of backup power and power quality products. This includes line interactive and online UPSs, PLC power and data protectors, TVSS filters and isolating line filters. Based in Canada.
http://www.alwaysonups.com/

American Power Conversion Corp.
Manufacturer of a broad range of commercial uninterruptible power supplies, including standby, line interactive and online technologies.
http://www.apc.com/

AMETEK Solidstate Controls
Manufactures industrial grade single phase UPS products from 10 to 125 kVA and three phase from 10 to 100 kVA that are qualified for the nuclear power industry.
http://www.solidstatecontrolsinc.com

Amsdell Inc.
Manufactures internal switching power supply that can accept battery backup. Based in Canada.
http://www.amsdell.com

Apollo Power Technology Co., Ltd.
Manufacturer of commercial line interactive and online UPS. Based in Taiwan.
http://www.apollotw.com/

ARTronic Elektronik Co.
Distributor of commercial line interactive and online UPS 400 VA - 1000 kVA. Based in Turkey.
http://www.artronic.com.tr

Bharath Power Conversion
UPS manufacturing company based in Taminadu, India. Online product specifications and list of clients.
http://www.bpcups.com/

Bright Electro Control Equipments Private Limited
Manufacturer and exporter all kind of UPS and uninterrupted power supply. India.
http://www.beccbe.com

CBS Group
Distribution and installation of standby power systems including UPS up to 700 kVA. Based in the UK.
http://www.cbsgroupuk.com/

Cell Power Co., Ltd.
Manufacturer of line interactive UPS from 600VA to 1000 VA. Based in Taiwan.
http://www.cellpower.com.tw/

Controlled Power Company
Manufactures a wide range of UPS and power conditioning products from 250 VA to 500 kVA.
http://www.controlledpwr.com

Convergence Power Systems
Manufactures offiline UPS from 500 VA to 2000VA and online units from 500 VA to 200 kVA, plus square wave and sine wave inverters. India based.
http://convergenceups.net

Critical Power Exchange
Distributor of surplus and refurbished UPS from 2 to 750 kVA of various makes.
http://www.criticalpowerexchange.com/ups.htm

Cyberex LLC
Manufactures online UPS from 10 kVA to 150 kVA plus digital static transfer switches.
http://www.cyberex.com

Digital Data Systems
Designs, manufacturers and licenses UPS products. Based in South Africa.
http://www.ddsystems.co.za

DirectUPS
Reseller of off line, line interactive and online UPS products up to 1500 VA.
http://www.directups.com

Durapower Manufacturing Ltd.
Manufactures uninteruptible power supplies. From South Africa.
http://www.durapower.co.za/

Eaton Powerware
Manufacture of consumer and commercial UPS units and related products
http://www.powerware.com/

Effekta
Manufactures online, line-interactive and standby UPS systems in a power range from 400 VA to 40 KVA. From Germany.
http://www.effekta.com/html/english.html

Elrond Komponent AB
Manufactures offline, line interactive and online UPS from 650 VA to 600 kVA. Based in Sweden.
http://www.elrondcomponent.com/

Emerson Network Power
Manufacturers uninterruptible power supplies, batteries, and accessories.
http://www.gotoemerson.com/

Encore Power and Environmental, LLC
Reseller of generators, UPS systems, power distribution units, and high rate batteries.
http://www.dsaencore.com/

Energy Technologies, Inc.
Manufactures rugged UPS, power conditioning and distribution, frequency conversion and computer peripherals for military, industrial and telecommunication applications.
http://powersource.net/

Falcon Electric
Manufactures and distributes uninterruptible power supplies.
http://www.falconups.com/

Flipper Clipp Power Systems Pvt. Ltd.
Manufacturer of commercial line interactive and online UPS systems from 500 VA to 150 kVA. Based in India.
http://www.flipperclippups.com/

Foshan Panpower Science & Technology Co., Ltd.
Manufacture of offline, line interactive and online UPS products from 500 VA to 30 kVA. Based in China.
http://www.pan-ups.com.cn/

Franek Technologies
Manufactures UPSs for medical, scientific and research applications.
http://www.franek-tech.com/

Gutor Electronic ltd.
Manufacturer of industrial grade online UPS ranging from 5 to 220 kVA primarily for the petro-chemical industry. Based in Switzerland.
http://www.gutor.com

Harland Simons
Manufacturer of online UPS from 700 VA to 3 kVA. Also a reseller for other UPS up to 1000 kVA. Based in the UK.
http://www.harlandsimonups.com/

H.M. Cragg Company
Distributor of Powerware UPS systems and associated batteries. Also offer stationary, telecom and standby batteries. Based in Minnesota, United States.
http://www.hmcragg.com/

Ideal Power Co. Ltd.
Manufacturer of offline, line interactive and online UPS products primarily for consumer and commercial use. Based in Taiwan.
http://www.idealups.com.tw/

Inovatec S.p.A
Manufacturer of line interactive and online UPS from 350 VA to 800 kVA. Based in Italy.
http://www.inovatec.it

Intellipower, Inc.
Manufacturer of desktop and rackmount online UPS products that serve commercial, industrial and military markets. Products feature intelligent monitoring and control of the input and output parameters.
http://www.intellipower.com/

Invensys Power Systems
Design and manufacturing of 3phase and 1phase UPS from 10 to 400kVA.
http://www.invensys.com/

Invensys Power Systems S.p.A.
Offers power protection with 1ph and 3ph from 300VA to 400kVA including inverter,rectifier,static switch.
http://www.powerware.com/Italia/

Jeidar Electronics
Manufacturer of uninterrupted power system in China.
http://www.jeidar.com/

JEMA
Spanish manufacturer specializing in custom converters and UPS equipment from 10 to 1300 kVA. Site is in Spanish and English.
http://www.grupojema.com

JT Packard & Associates, Inc.
Offers power quality solutions including Uninterruptible Power Systems, battery maintenance, generators, power quality audits and electrical cabling plans. In USA.
http://www.jtpackard.com

Key Source Limited
Distributor of ups, standby generators and telecom power protection.
http://www.keysource.co.uk

Kstar Group
Uninterruptible power supplies manufacturing in China.
http://www.kstarpower.com/

Marathon Power Inc.
Power protection products including single-phase uninterruptible power supplies (UPS) from 300VA to 3kVA designed for niche market, custom and OEM applications in commercial and industrial environments.
http://www.marathon-power.com

Medes Electronics
Manufacturer of 10 to 800 kVA, 3 phase UPS products primarily for the European voltages and frequencies. UPS line includes chargers, rectifiers, inverters and static switch units. A manufacturer for high reliability UPS system. Provides battery charger and discharger, DC rectifer, and static transfer switch.
http://www.medes-ups.com/

Metapo
Manufacturer of commercial offline and online UPS from 400 VA to 60 kVA. Based in China.
http://www.metapo.com/

MGE UPS Systems
Manufacturer of a wide range of single phase and three phase UPS products used in applications from PCs to factories. Headquarted in France with worldwide operations.
http://www.mgeups.com

Minuteman UPS
Manufacturer of uninterruptible power supply (UPS) products from 300 VA to 10 KVA, power management software, and remote power management systems controlled by phone or network.
http://www.minutemanups.com/

OnLine Power, Inc.
Power protection products (UPS, power conditioners, and voltage regulators) are directly applicable to the telecommunication industry (Microcell protection in case of power outage or voltage variations).
http://www.onlinepower.com/

Onlitech
UK based suppliers of UPS uninterrupted power supplies, and similar products including backup generators and bypass switches, designed to prevent power loss.
http://www.onlitech.com

OPTI International Corp.
Manufacture of UPS units ranging from 200 VA to 120 kVA.
http://www.opti-ups.com

Osages Energies
Sales and support of emergency power systems, residential power equipment, UPS batteries.
http://www.osage-energies.com

Power Master Technology Co.
Manufacturer of inverter, UPS, AVR, charger.
http://www.powermaster.com.tw

Power Protection Partners
Distributor of reconditioned uninterruptible power supplies and replacement batteries.
http://www.think3p.com

Power Quality Inc
Provides power conditioners, uninterruptible power supplies, power recorders and analyzers. Also offered are consulting services to analyze the customer's electrical power quality and grounding.
http://www.powerqualityinc.com/

Power Systems Specialists Inc.
provides uninterrupted electrical power.
http://www.p-s-s.com

Power Up Technologies
Distributes UPS, TVSS, inverters, power conditioners, power supplies, lighting inverters and outdoor UPS.
http://www.poweruptech.com

Powercom USA
A UPS manufacturer in Taiwan.
http://www.powercom-ups.com

Powerking Co., Ltd.
Manufacture of lead-acid batteries and uninterrupted power system.
http://www.powerking.ttnet.net

Powerlink Corporation
Representing manufacturers of UPS systems, TVSS, harmonic cancellation transformer, static transfer switches, and DC power systems.
http://www.powerlink.com

Powerstar Inc
Stainless steel UPS
http://www.powerstarinc.com/ss6000.html

Powertechnique UK - Uninterruptible Power Supplies
UK based company specialising in uninterruptible power supplies and related items including bypass switches, networks enclosures and generator sets
http://www.powertechnique.co.uk

Professional Power Protection
Provides uninterruptable power supplies, ups, and tvss, for the IT, aerospace, software development, scientific laboratories, banking, federal agencies and military facilities, manufacturing, and commercial aviation industries.
http://www.pppups.com/

Sagar Electricals
Manufacturers and exporters of automatic voltage stabilizer, UPS systems, inverters, constant voltage transformers.
http://electrogard.com

Sarel Electronics Ltd.
Offer uninterruptible power supply, transfer switch, bypass switches for the data processing and network services market.
http://www.sarelelectronics.com

Secure Power Solutions, Inc.
Sales, installation, and service of UPS systems and DC power supplies.
http://www.securepwr.com/

Siel Group
Specialized in uninterruptible power supply, power protection and batteries.
http://www.sielups.com/

Silicon Power Corporation
Manufacture of medium voltage and low voltage static transfer switches.
http://www.siliconpower.com

SOCOMEC Group
Manufacturer specializing in the distribution, control and availability of the power supply to low voltage energy systems.
http://www.socomec.com

SoftSwitching Technologies
Manufacturer of UPS and power disturbance equipment.
http://www.softswitch.com

Soltec Technology Co., Ltd.
Manufacturer of uninterruptable power supplies.
http://www.soltec.com.tw/

Sterling Oakes Services, Inc.
Complete UPS and Power Protection Specialists. Sales installation and service of APC UPS, MCG Power conditioning, RPM Power Meters, ATI Tectonics Lightning Protection, Minuteman UPS, Catalyst Power and Power Technologies Products.
http://www.sterlingoakes.com

Stream Line Power Systems Pvt. Ltd.,
Manufacturer of uninterupted power supply. From India.
http://www.streamlineups.com/

Sure Power, Inc.
A supplier of quality battery products and services for uninterruptible power supplies.
http://www.sure-power.com

24/7 Technology Inc.
Offers repair and maintenance for uninterruptible power systems (UPS), batteries and generators. Descriptions of offered services, list of available used equipment for sale.
http://247technology.com/

Titan Power Inc.
Providing power protection services, uninterruptible power equipment and computer room design and construction.
http://www.titanpower.com/

Total Concept Sales
Source of technical information on how to choose and size UPS, battery backup, and other equipment.
http://www.smartups.com/

Tripp Lite
Manufacturer of UPS, surge suppressors, and other power protection devices. New product showcase and an interactive UPS sizing guide.
http://www.tripplite.com/

UIS Abler Electronics Co., Ltd.
Manufactures a wide range of line interactive and online UPS units from 350 VA to 10 kVA. Based in Taiwan.
http://www.uisabler.com.tw/

Umart Electrics (Shenzhen) Co., Ltd
Manufactures line interactive and online UPS from 300 VA to 3600 kVA; AVR from 300 VA to 1000 kVA. Also transformers for electronic and industrial appliances, and inverters. Based in China and Taiwan.
http://www.ups-avr.com/

Uninterruptible Power Products, Inc.
Manufactures 4 kVA to 20 kVA industrial grade UPS and power conditioner products. Also supplies replacement batteries for various other vendors' equipment.
http://www.uppi-ups.com/

Uninterruptible Power Supplies Ltd
Manufacturers UPSs for computer applications.
http://www.upspower.co.uk/

Universal Power Systems, Inc.
Offers transportable and fixed site uninterruptible power supply systems.
http://www.upsi.com/

UPS For Less
Reseller of reconditioned UPS units
http://www.upsforless.com/

UPS Frequently Asked Questions
A collection of frequently asked questions about UPS units
http://www.jetcafe.org/~npc/doc/ups-faq.html

Yutaka Electric Manufacturing Co, Ltd. (YEC)
Manufacturer of UPS and power supplies primarily serving commercial and oem markets, primarily in Japan. UPS product line features true online double conversion technology.
http://www.yutakadenki.jp/english/top-e/indexe.html