Frequency Converters by Visicomm
Visicomm manufactures, sells and rents a broad range of frequency converters, 60hz to 50hz frequency converters, 50hz to 60hz frequency converters and 50/60hz to 400hz frequency converters as well as single and three phase 1KVA to 5000KVA frequency converion equipment.
http://www.frequencyconverter.com

ZZAP Elektronik d.o.o.
frequency converter, power supply, radio frequency reader, frekvencijski pretvaraci, izvori za napajanje, ups, radio frekvencijski citac, web design, web dizajn, electronic components, elektronicke komponente, konzalting, consulting, internet
http://www.zzap-elektronik.com

Virtual Technologies
Designs and manufactures DC-DC converters, DC-AC inverters, frequency and phase converters, and MPPT power supplies.
http://www.virtualtechnologiesltd.com/Power_Supplies/alt_energy_power.htm

Elmika Microwave Technologies
Sweep oscilators, scalar and vector analizers, frequency converters, attenuators, frequency meters and waveguide components.
http://www.elmika.com/

Frequency Electronics, Inc.
Provides frequency/time standards and synchronization products including quartz and atomic clocks, RF/microwave subsystems, DC/DC power converters, VSAT transceivers, and hybrids.
http://www.freqelec.com/

Vacon Plc
The Vacon variable speed AC drive, ie. a frequency converter, is a power control unit for regulating electric motors widely used in industry and the public engineering sector.
http://www.vacon.com/

ASEA Power Systems
http://www.aseapower.com - ASEA Power Systems. Manufacturer of marine shorepower voltage/frequency/phase converters. Standard products cover the 8-150kVA power range, custom and modular systems available.
http://www.aseapower.com/

Powerco intl
Manufacturer and supplier of quarry equipment and crushing setups, diesel gensets and frequency converters.
http://www.powerco-intl.co.uk

Sotca Inc.
Innovative Products and Solutions for Satellite and Telecommuniocations, RF Microwave Radar Signal Integrity Software problems company
http://www.sotca.com/

Axa Power
European supplier of frequency converters for aircraft, specialized 400 Hz transformers, and voltage stabilizers. In English and German.
http://www.axapower.com/