Steelman Industries Electric power capacitors, capacitor cabinets and boxes also power factor correction capacitors. http://www.steelman.com/

AIM Europe Manufactures active harmonic filters and electronic power factor correction equipment. http://www.aimeurope.mcmail.com/

Yuhchang Electric Co., Ltd. Manufacturer of power capacitor, automatic power factor regulator, series reactor and rechargeable lead calcium battery. From Taiwan. http://www.capacitor.com.tw/

Arbtec Industries Power factor correction using automatic capacitor banks which cause no switching transients nor harmonic distortions. http://www.geocities.com/arbtec

Power Capacitors Ltd Power factor correction equipment and single to three phase convertors. From UK. http://www.powercapacitors.co.uk/

Mesta Electronics, Inc. Digital power factor and harmonic managers. http://www.mesta.com/

Northeast Power Systems, Inc. (NEPSI) Manufactures custom-engineered power factor correction equipment and harmonic filters. http://www.nepsi.com/

Commonwealth Sprague Capacitor, Inc. Manufacturer of low and medium voltage power factor correction capacitors, harmonic filters and motor run capacitors. http://www.comsprague.com/

MTE Corporation Designer and manufacturer of line and load reactors, broad band harmonic filters and DC link chokes with information on products and technical articles. http://www.mtecorp.com/

Versatex Manufactures capacitors and harmonic filters for power factor and power quality solutions and low voltage applications. http://www.versatexonline.com/

RCCS Distribution power factor correction and VAr/voltage control. http://www.rccscontrols.com/

Electenergy Technologies Inc. Energy saving and power conditioning system. http://www.electroflow.com/

Phasetech Ltd Power factor correction equipment. From UK. http://www.phasetech.co.uk/

Quality Electric Mfg. Inc. Phase Liner - stores part of the unused power and recycling it back to the AC load. http://www.Phase-Liner.com/

Myron Zucker, Inc. Manufacturers of power factor correction capacitors and harmonic filters. http://www.myronzuckerinc.com/

Phaseco, Inc. Provides design, engineering, equipment and installation services for power factor correction capacitor and harmonic filter systems to the large industrial, commercial and manufacturing industries. http://www.phaseco.com/

Power Correction Systems, Inc. Manufactures harmonic power correction filters. http://www.activeharmonicfilters.com/

Cos Phi Inc. Designers and manufacturers of power factor and power quality correction equipment for industry. http://www.cosphi.com

Syscon Manufacture of equipment that maintains the quality of power with information on products, client list and company profile. From India. http://www.syconindia.com

Beluk Power Factor Control from Illimite & the BLR series of PF control relays Beluk.com is the home of information on Beluk Power Factor Controllers. Details on individual models and power factor correction theory are included. http://www.beluk.com