Horlick Co., Inc. - Randolph, MA
Manufacturer, Custom Manufacturer
Manufacturer of motor-generator sets & frequency converters, 2KW to 500 KW ratings, convert 60 to 50 Hz, 60 to 400 Hz, or 50 to 60 Hz, complete with customized controls. PF Model motor generators provide constant voltage & precise frequency regardless of load, switching transients, surges or voltage disturbances. SH Model units convert frequency from 60 to 50 Hz & designed for applications requiring up to 500 kW. TR & SC Models provide 60 to 400 Hz conversion for naval & air force bases, missile & ground support installations, radar & communications test sites, computer centers & airports. Also available are variable frequency & line conditioning units, AC & DC, new, factory reconditioned & rental units.
www.horlick.com/

Merrimac Industrial Sales - Haverhill, MA
Distributor, Service Company
Distributor of analog-to-digital frequency converters. Converter is single phase or three phase, has electrostatic shielding with standard NEMA enclosure & is UL & CSA approved. Industries served include automotive, food, communication, electrical machinery, electronics, leather, textile & rubber. Products meet Military Specs.
Brand Names: ABB, Adlet, Aitken, Akron, Bero, Chessell, EMM, Halmar, Halmar Robicon, IDEC, ISOMAX, Lindberg/Blue...
www.merrimacindustrial.com/Prod_Transformer...

Bomara Associates - Chelmsford, MA
Distributor, Manufacturers' Rep, Service Company
Distributor and mfr's rep. of solid state international variable frequency converters. Various types include interface, media, DC to DC, signal, data and clock converters.
Brand Names: CPS, ECD, Unipower
www.bomara.com/products.htm

Cuming Microwave Corp. - Avon, MA
Manufacturer, Custom Manufacturer
ISO 9001:2000 certified manufacturer of microwave & RF absorbers, low loss dielectric materials & shielding materials used for commercial & defense applications & adhesives including electrically conductive, epoxy & smd for bonding applications. Designs, manufactures & installs RF, turnkey anechoic & emc anechoic chambers. RF absorbers include syntactic foam, rubber, liquid ram coatings, honeycomb & high power absorbers which are used for the rf electromechanical interference, radar cross section reduction, dielectric, artificial dielectrics & radomes.

Siemens Venture Capital, Inc. - Boston, MA
Manufacturer, Custom Manufacturer, Service Company
Manufacturer of low voltage AC frequency converters with sensorless vector control & power range up to 250 kW at 350 hp. Universal models as well as specialist for pumps & fans. Protection & overload features standard.

Schaefer, Inc. - Ashland, MA
Manufacturer, Custom Manufacturer
ISO 9001:2000 certified custom manufacturer of single phase & three phase frequency converters for industrial & commercial applications. Specifications of frequency converters include 115/230 VAC input voltage, 50 Hz to 400 Hz output frequency & 200 VA to 30 kVA output power. Frequency converters are available with input polarity protection for DC inputs, automatic selection of 115/230 VAC input, remote on & off switches, RS232 or IEEE488 interfaces & static switches.

Acumentrics Corp. - Westwood, MA
Manufacturer, Custom Manufacturer, Service Company
Designers/Manufacturers Of Products For Power Reliability, Distribution & Control

OSRAM SYLVANIA - Danvers, MA
Manufacturer, Custom Manufacturer
Manufacturer of low voltage AC frequency converters with sensorless vector control & power range up to 250 kW at 350 hp. Universal models as well as specialist for pumps & fans. Protection & overload features standard.

SatCon Electronics - Marlborough, MA
Manufacturer, Custom Manufacturer
ISO 9001 certified custom manufacturer of fixed frequency converters. Specifications of fixed frequency converters include 208 V to 600 V input voltage & 45 Hz to 65 Hz input frequency. Fixed frequency converters are suitable for aircraft ground operations, military service, maintenance facilities, international power construction, main frame computer rooms, industrial facilities & test laboratories. Variable frequency converters are also available. Meets CE, IEC & IEEE standards. Meets MIL-STD-810C spec.

Aggreko, Inc. - Hopedale, MA
Distributor, Service Company
Distributor & rental of air conditioners.

Continental Resources, Inc. - Bedford, MA
Distributor, Service Company
ISO 9001:2000 certified distributor of frequency converters. Specifications of frequency converters include frequency ranging from 26.5 GHz to 50 GHz & connector sizes ranging from 2.4 mm to 3.5 mm.
Brand Names: Agilent

Synqor - Boxborough, MA
Manufacturer
Board-Mountable, Isolated, Fixed, Switching DC/DC

Terabeam/Hxi - Haverhill, MA
Manufacturer
Manufacturer of millimeter wave components & subsystems.